diff --git a/run.asv b/run.asv
index c5863ff..ae2ebc2 100644
--- a/run.asv
+++ b/run.asv
@@ -10,10 +10,11 @@ addpath('.\Powerflow')
 % 电压 相角
 %%
 %% 开始生成量测量
-sigma=0.01;% 标准差
+sigma=0.05;% 标准差
 %% 电压
 %电压幅值
 rVolt=Volt; %幅值
+BalanceVolt=Volt(Balance);
 mVolt=rVolt.*(normrnd(0,sigma,length(Volt),1)+1);%电压量测量
 rVAngel=Vangle;
 %% 电流
@@ -29,15 +30,18 @@ lineI=newwordParameter.line.lineI;
 lineJ=newwordParameter.line.lineJ;
 lineR=newwordParameter.line.lineR;
 lineX=newwordParameter.line.lineX;
-lineB2=newwordParameter.line;
-
+lineB2=newwordParameter.line.lineB2;
+lineG=1./lineR;
+lineB=1./lineX;
 cmpBranchI=(cmpV(lineI)-cmpV(lineJ))./(lineR+1j*lineX);%复数支路电流
 rBranchI=abs(cmpBranchI);% 支路电流幅值
 mBranchI=rBranchI.*(normrnd(0,sigma,length(rBranchI),1)+1);%支路电流量测量
 %% 支路功率
 rBranchP=real((cmpV(lineI)-cmpV(lineJ)).*conj(cmpBranchI));
+rBranchP=rBranchP(abs(rBranchP)>1e-5);
 mBranchP=rBranchP.*(normrnd(0,sigma,length(rBranchP),1)+1);%支路功率量测量
 rBranchQ=imag((cmpV(lineI)-cmpV(lineJ)).*conj(cmpBranchI));
+rBranchQ=rBranchQ(abs(rBranchQ)>1e-5);
 mBranchQ=rBranchQ.*(normrnd(0,sigma,length(rBranchQ),1)+1);%支路功率量测量
 %% 注入功率
 rPD=PD;
@@ -71,7 +75,6 @@ measurements=length(mVolt)+length(mBranchI)+length(mBranchP)+length(mBranchQ)+le
 fprintf('冗余度 %f\n',measurements/stateVarCount);
 %% Opti ToolBox
 Busnum=length(Volt);
-seOpti=SEOpti();
 %% save
 % save('mVolt','mVolt');
 % save('mPG','mPG');
@@ -82,36 +85,65 @@ seOpti=SEOpti();
 % save('mTransP','mTransP');
 % save('mTransQ','mTransQ');
 %% load
-load('mVolt');
-load('mPG');
-load('mQG');
-load('mBranchI');
-load('mBranchP');
-load('mBranchQ');
-load('mTransP');
-load('mTransQ');
-seOpti=seOpti.init(Busnum, mVolt,sigma,newwordParameter,zerosInjectionIndex,cmpY,onlyPG,onlyQG,mPG,mQG,Balance,mBranchI,mBranchP,mBranchQ,mTransP,mTransQ);
-opts = optiset('solver','ipopt');
-opts.maxiter=85500;
-opts.maxtime=3000;
-opts.maxfeval=85000;
-opts.maxnodes=85000;
-opts.tolrfun=1e-4;
-opts.tolafun=1e-4;
-opts.warnings='all';
-opts.display='off';
-% x0=[ones(Busnum,1);zeros(Busnum,1)];
-x0=[rVolt;rVAngle];
-[~,seOpti]=seOpti.equ(x0);
-nlrhs=seOpti.nlrhs();
-nle=seOpti.nle();
-Opt = opti('fun',@seOpti.fun,'ndec',length(Volt)*2,'nlmix',@seOpti.equ,nlrhs,nle,'options',opts)
-% Opt = opti('fun',@seOpti.fun,'ndec',length(Volt)*2,'options',opts)
-[x,fval,exitflag,info] = solve(Opt,x0);
-info
+% load('mVolt');
+% load('mPG');
+% load('mQG');
+% load('mBranchI');
+% load('mBranchP');
+% load('mBranchQ');
+% load('mTransP');
+% load('mTransQ');
+%% 自己写的微分代码
+% 以下都是Jacobi矩阵
+SEVolt=sparse(ones(length(mVolt),1));
+SEVAngel=sparse(zeros(length(mVolt),1));
+
+dV_dV=sparse(1:length(mVolt),1:length(mVolt),1,length(mVolt),length(mVolt));%电压量测量的微分
+dV_dTyta=sparse(length(mVolt),length(mVolt));
+dLPij_dVi=sparse(1:length(lineI),lineJ, ...
+    -SEVolt(lineJ).*( ...
+    lineG.*cos(SEVAngel(lineI)-SEVAngel(lineJ)) +lineX.*sin(SEVAngel(lineI)-SEVAngel(lineJ))...
+    )... 
+    +2*(lineG).*SEVolt(lineI) ...
+    ,length(lineI),length(mVolt));%线路的
+dLPij_dVj=sparse(1:length(lineI),lineJ, ...
+    -SEVolt(lineI).*( ...
+    lineG.*cos(SEVAngel(lineI)-SEVAngel(lineJ)) +lineX.*sin(SEVAngel(lineI)-SEVAngel(lineJ))...
+    ) ...
+    ,length(lineI),length(mVolt));%线路的
+% 处理线路电阻或电抗为0的情况，即消除NaN
+zerosRXInd=union(find(abs(lineR)<1e-5),find(abs(lineX)<1e-5));
+dLPij_dVi=dLPij_dVi(setdiff( 1:size(dLPij_dVi,1),zerosRXInd),:);
+dLPij_dVj=dLPij_dVj(setdiff( 1:size(dLPij_dVj,1),zerosRXInd),:);
+dLQij_dVi=sparse(1:length(lineI),lineJ, ...
+    -SEVolt(lineJ).*( ...
+    lineG.*cos(SEVAngel(lineI)-SEVAngel(lineJ)) -lineX.*sin(SEVAngel(lineI)-SEVAngel(lineJ))...
+    )... 
+    -2*(lineB+lineB2).*SEVolt(lineI) ...
+    ,length(lineI),length(mVolt));%线路的
+dLQij_dVj=sparse(1:length(lineI),lineJ, ...
+    -SEVolt(lineI).*( ...
+    lineG.*sin(SEVAngel(lineI)-SEVAngel(lineJ)) -lineX.*cos(SEVAngel(lineI)-SEVAngel(lineJ))...
+    ) ...
+    ,length(lineI),length(mVolt));%线路的
+dLQij_dVi=dLQij_dVi(setdiff( 1:size(dLQij_dVi,1),zerosRXInd),:);
+dLQij_dVj=dLQij_dVj(setdiff( 1:size(dLQij_dVj,1),zerosRXInd),:);
+%% 进入迭代
+H=[dV_dV ;dV_dTyta]';
+h=SEVolt;
+z=mVolt;
+W=sparse(1:length(mVolt),1:length(mVolt),1/sigma.^2,length(mVolt),length(mVolt));
+G=H'*W*H;
+g=-H'*W*(z-h);
+% 平衡节点相角恒定;
+G(length(mVolt)+Balance,:)=0;
+G(:,length(mVolt)+Balance)=0;
+G=G+sparse(length(mVolt)+Balance,length(mVolt)+Balance,1,length(mVolt)*2,length(mVolt)*2);
+g(length(mVolt)+Balance)=0;
+dX=-g\G;
+% 更新变量
+SEVolt=SEVolt+
 %% 输出结果
-SEVolt=x(1:length(Volt));
-SEVAngel=x(length(Volt)+Balance:2*length(Volt));
 fprintf('目标函数为:%f\n',fval);
 fprintf('相对误差\n');
 (abs(rVolt-double(SEVolt)))./(rVolt)
diff --git a/run.m b/run.m
index cac1b6b..45d9943 100644
--- a/run.m
+++ b/run.m
@@ -30,8 +30,9 @@ lineI=newwordParameter.line.lineI;
 lineJ=newwordParameter.line.lineJ;
 lineR=newwordParameter.line.lineR;
 lineX=newwordParameter.line.lineX;
-lineB2=newwordParameter.line;
-
+lineB2=newwordParameter.line.lineB2;
+lineG=1./lineR;
+lineB=1./lineX;
 cmpBranchI=(cmpV(lineI)-cmpV(lineJ))./(lineR+1j*lineX);%复数支路电流
 rBranchI=abs(cmpBranchI);% 支路电流幅值
 mBranchI=rBranchI.*(normrnd(0,sigma,length(rBranchI),1)+1);%支路电流量测量
@@ -74,7 +75,6 @@ measurements=length(mVolt)+length(mBranchI)+length(mBranchP)+length(mBranchQ)+le
 fprintf('冗余度 %f\n',measurements/stateVarCount);
 %% Opti ToolBox
 Busnum=length(Volt);
-seOpti=SEOpti();
 %% save
 % save('mVolt','mVolt');
 % save('mPG','mPG');
@@ -93,31 +93,69 @@ seOpti=SEOpti();
 % load('mBranchQ');
 % load('mTransP');
 % load('mTransQ');
-seOpti=seOpti.init(Busnum, mVolt,sigma,newwordParameter,zerosInjectionIndex,cmpY,onlyPG,onlyQG,mPG,mQG,Balance,mBranchI,mBranchP,mBranchQ,mTransP,mTransQ,BalanceVolt,rVolt,rVAngel);
-opts = optiset('solver','ipopt');
-opts.maxiter=85500;
-opts.maxtime=3000;
-opts.maxfeval=85000;
-opts.maxnodes=85000;
-opts.tolrfun=1e-4;
-opts.tolafun=1e-4;
-opts.warnings='all';
-opts.display='off';
-x0=[ones(Busnum,1);-0.2*ones(Busnum,1)];
-% x0=[rVolt;rVAngel];
-[~,seOpti]=seOpti.equ(x0);
-nlrhs=seOpti.nlrhs();
-nle=seOpti.nle();
-Opt = opti('fun',@seOpti.fun,'ndec',length(Volt)*2,'nlmix',@seOpti.equ,nlrhs,nle,'options',opts)
-% Opt = opti('fun',@seOpti.fun,'ndec',length(Volt)*2,'options',opts)
-[x,fval,exitflag,info] = solve(Opt,x0);
-info
+%% 自己写的微分代码
+% 以下都是Jacobi矩阵
+SEVolt=sparse(ones(length(mVolt),1));
+SEVAngel=sparse(zeros(length(mVolt),1));
+maxD=1000;
+Iteration=0;
+while maxD>1e-3;
+dV_dV=sparse(1:length(mVolt),1:length(mVolt),1,length(mVolt),length(mVolt));%电压量测量的微分
+dV_dTyta=sparse(length(mVolt),length(mVolt));
+dLPij_dVi=sparse(1:length(lineI),lineJ, ...
+    -SEVolt(lineJ).*( ...
+    lineG.*cos(SEVAngel(lineI)-SEVAngel(lineJ)) +lineX.*sin(SEVAngel(lineI)-SEVAngel(lineJ))...
+    )... 
+    +2*(lineG).*SEVolt(lineI) ...
+    ,length(lineI),length(mVolt));%线路的
+dLPij_dVj=sparse(1:length(lineI),lineJ, ...
+    -SEVolt(lineI).*( ...
+    lineG.*cos(SEVAngel(lineI)-SEVAngel(lineJ)) +lineX.*sin(SEVAngel(lineI)-SEVAngel(lineJ))...
+    ) ...
+    ,length(lineI),length(mVolt));%线路的
+% 处理线路电阻或电抗为0的情况，即消除NaN
+zerosRXInd=union(find(abs(lineR)<1e-5),find(abs(lineX)<1e-5));
+dLPij_dVi=dLPij_dVi(setdiff( 1:size(dLPij_dVi,1),zerosRXInd),:);
+dLPij_dVj=dLPij_dVj(setdiff( 1:size(dLPij_dVj,1),zerosRXInd),:);
+dLQij_dVi=sparse(1:length(lineI),lineJ, ...
+    -SEVolt(lineJ).*( ...
+    lineG.*cos(SEVAngel(lineI)-SEVAngel(lineJ)) -lineX.*sin(SEVAngel(lineI)-SEVAngel(lineJ))...
+    )... 
+    -2*(lineB+lineB2).*SEVolt(lineI) ...
+    ,length(lineI),length(mVolt));%线路的
+dLQij_dVj=sparse(1:length(lineI),lineJ, ...
+    -SEVolt(lineI).*( ...
+    lineG.*sin(SEVAngel(lineI)-SEVAngel(lineJ)) -lineX.*cos(SEVAngel(lineI)-SEVAngel(lineJ))...
+    ) ...
+    ,length(lineI),length(mVolt));%线路的
+dLQij_dVi=dLQij_dVi(setdiff( 1:size(dLQij_dVi,1),zerosRXInd),:);
+dLQij_dVj=dLQij_dVj(setdiff( 1:size(dLQij_dVj,1),zerosRXInd),:);
+%% 进入迭代
+H=[dV_dV ,dV_dTyta];
+% H=[dV_dV];
+h=SEVolt;
+z=mVolt;
+W=sparse(1:length(mVolt),1:length(mVolt),1/sigma.^2,length(mVolt),length(mVolt));
+G=H'*W*H;
+g=-H'*W*(z-h);
+% 平衡节点相角恒定;
+% G(length(mVolt)+Balance,:)=0;
+% G(:,length(mVolt)+Balance)=0;
+% G=G+sparse(length(mVolt)+Balance,length(mVolt)+Balance,1,length(mVolt)*2,length(mVolt)*2);
+% g(length(mVolt)+Balance)=0;
+dX=G\-g;
+maxD=max(abs(dX))
+% 更新变量
+SEVolt=SEVolt+dX(1:length(mVolt));
+Iteration=Iteration+1;
+SEVAngel=SEVAngel+dX(length(mVolt)+1:end);
+end
 %% 输出结果
-SEVolt=x(1:length(Volt));
-SEVAngel=x(length(Volt)+Balance:2*length(Volt));
+fprintf('迭代%d次\n',Iteration);
+h=SEVolt;
+fval=full((z-h)'*W*(z-h));
 fprintf('目标函数为:%f\n',fval);
 fprintf('相对误差\n');
 (abs(rVolt-double(SEVolt)))./(rVolt)
 MaxDeviation(rVolt,SEVolt,rVAngel,SEVAngel)
-plotAndComparison( rVolt,rVAngel,SEVolt,SEVAngel )
-seOpti.fun(x);
\ No newline at end of file
+plotAndComparison( rVolt,rVAngel,SEVolt,SEVAngel )
\ No newline at end of file
diff --git a/鍏紡/鍏紡.aux b/鍏紡/鍏紡.aux
new file mode 100644
index 0000000..f23e546
--- /dev/null
+++ b/鍏紡/鍏紡.aux
@@ -0,0 +1 @@
+\relax 
diff --git a/鍏紡/鍏紡.log b/鍏紡/鍏紡.log
new file mode 100644
index 0000000..d64fc4d
--- /dev/null
+++ b/鍏紡/鍏紡.log
@@ -0,0 +1,918 @@
+This is XeTeX, Version 3.1415926-2.3-0.9997.5 (MiKTeX 2.9) (preloaded format=xelatex 2013.5.6)  14 AUG 2013 12:13
+entering extended mode
+**鍏紡.tex
+(D:\Matlab\StateEstimation-self-derivatives\鍏紡\鍏紡.tex
+LaTeX2e <2011/06/27>
+Babel <v3.8m> and hyphenation patterns for loaded.
+(C:\CTEX\MiKTeX\tex\latex\base\report.cls
+Document Class: report 2007/10/19 v1.4h Standard LaTeX document class
+(C:\CTEX\MiKTeX\tex\latex\base\size10.clo
+File: size10.clo 2007/10/19 v1.4h Standard LaTeX file (size option)
+)
+\c@part=\count80
+\c@chapter=\count81
+\c@section=\count82
+\c@subsection=\count83
+\c@subsubsection=\count84
+\c@paragraph=\count85
+\c@subparagraph=\count86
+\c@figure=\count87
+\c@table=\count88
+\abovecaptionskip=\skip41
+\belowcaptionskip=\skip42
+\bibindent=\dimen102
+)
+(C:\CTEX\MiKTeX\tex\latex\base\inputenc.sty
+Package: inputenc 2008/03/30 v1.1d Input encoding file
+\inpenc@prehook=\toks14
+\inpenc@posthook=\toks15
+
+(C:\CTEX\MiKTeX\tex\latex\base\utf8.def
+File: utf8.def 2008/04/05 v1.1m UTF-8 support for inputenc
+Now handling font encoding OML ...
+... no UTF-8 mapping file for font encoding OML
+Now handling font encoding T1 ...
+... processing UTF-8 mapping file for font encoding T1
+
+(C:\CTEX\MiKTeX\tex\latex\base\t1enc.dfu
+File: t1enc.dfu 2008/04/05 v1.1m UTF-8 support for inputenc
+   defining Unicode char U+00A1 (decimal 161)
+   defining Unicode char U+00A3 (decimal 163)
+   defining Unicode char U+00AB (decimal 171)
+   defining Unicode char U+00BB (decimal 187)
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+   defining Unicode char U+00C4 (decimal 196)
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+   defining Unicode char U+00CA (decimal 202)
+   defining Unicode char U+00CB (decimal 203)
+   defining Unicode char U+00CC (decimal 204)
+   defining Unicode char U+00CD (decimal 205)
+   defining Unicode char U+00CE (decimal 206)
+   defining Unicode char U+00CF (decimal 207)
+   defining Unicode char U+00D0 (decimal 208)
+   defining Unicode char U+00D1 (decimal 209)
+   defining Unicode char U+00D2 (decimal 210)
+   defining Unicode char U+00D3 (decimal 211)
+   defining Unicode char U+00D4 (decimal 212)
+   defining Unicode char U+00D5 (decimal 213)
+   defining Unicode char U+00D6 (decimal 214)
+   defining Unicode char U+00D8 (decimal 216)
+   defining Unicode char U+00D9 (decimal 217)
+   defining Unicode char U+00DA (decimal 218)
+   defining Unicode char U+00DB (decimal 219)
+   defining Unicode char U+00DC (decimal 220)
+   defining Unicode char U+00DD (decimal 221)
+   defining Unicode char U+00DE (decimal 222)
+   defining Unicode char U+00DF (decimal 223)
+   defining Unicode char U+00E0 (decimal 224)
+   defining Unicode char U+00E1 (decimal 225)
+   defining Unicode char U+00E2 (decimal 226)
+   defining Unicode char U+00E3 (decimal 227)
+   defining Unicode char U+00E4 (decimal 228)
+   defining Unicode char U+00E5 (decimal 229)
+   defining Unicode char U+00E6 (decimal 230)
+   defining Unicode char U+00E7 (decimal 231)
+   defining Unicode char U+00E8 (decimal 232)
+   defining Unicode char U+00E9 (decimal 233)
+   defining Unicode char U+00EA (decimal 234)
+   defining Unicode char U+00EB (decimal 235)
+   defining Unicode char U+00EC (decimal 236)
+   defining Unicode char U+00ED (decimal 237)
+   defining Unicode char U+00EE (decimal 238)
+   defining Unicode char U+00EF (decimal 239)
+   defining Unicode char U+00F0 (decimal 240)
+   defining Unicode char U+00F1 (decimal 241)
+   defining Unicode char U+00F2 (decimal 242)
+   defining Unicode char U+00F3 (decimal 243)
+   defining Unicode char U+00F4 (decimal 244)
+   defining Unicode char U+00F5 (decimal 245)
+   defining Unicode char U+00F6 (decimal 246)
+   defining Unicode char U+00F8 (decimal 248)
+   defining Unicode char U+00F9 (decimal 249)
+   defining Unicode char U+00FA (decimal 250)
+   defining Unicode char U+00FB (decimal 251)
+   defining Unicode char U+00FC (decimal 252)
+   defining Unicode char U+00FD (decimal 253)
+   defining Unicode char U+00FE (decimal 254)
+   defining Unicode char U+00FF (decimal 255)
+   defining Unicode char U+0102 (decimal 258)
+   defining Unicode char U+0103 (decimal 259)
+   defining Unicode char U+0104 (decimal 260)
+   defining Unicode char U+0105 (decimal 261)
+   defining Unicode char U+0106 (decimal 262)
+   defining Unicode char U+0107 (decimal 263)
+   defining Unicode char U+010C (decimal 268)
+   defining Unicode char U+010D (decimal 269)
+   defining Unicode char U+010E (decimal 270)
+   defining Unicode char U+010F (decimal 271)
+   defining Unicode char U+0110 (decimal 272)
+   defining Unicode char U+0111 (decimal 273)
+   defining Unicode char U+0118 (decimal 280)
+   defining Unicode char U+0119 (decimal 281)
+   defining Unicode char U+011A (decimal 282)
+   defining Unicode char U+011B (decimal 283)
+   defining Unicode char U+011E (decimal 286)
+   defining Unicode char U+011F (decimal 287)
+   defining Unicode char U+0130 (decimal 304)
+   defining Unicode char U+0131 (decimal 305)
+   defining Unicode char U+0132 (decimal 306)
+   defining Unicode char U+0133 (decimal 307)
+   defining Unicode char U+0139 (decimal 313)
+   defining Unicode char U+013A (decimal 314)
+   defining Unicode char U+013D (decimal 317)
+   defining Unicode char U+013E (decimal 318)
+   defining Unicode char U+0141 (decimal 321)
+   defining Unicode char U+0142 (decimal 322)
+   defining Unicode char U+0143 (decimal 323)
+   defining Unicode char U+0144 (decimal 324)
+   defining Unicode char U+0147 (decimal 327)
+   defining Unicode char U+0148 (decimal 328)
+   defining Unicode char U+014A (decimal 330)
+   defining Unicode char U+014B (decimal 331)
+   defining Unicode char U+0150 (decimal 336)
+   defining Unicode char U+0151 (decimal 337)
+   defining Unicode char U+0152 (decimal 338)
+   defining Unicode char U+0153 (decimal 339)
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+   defining Unicode char U+0155 (decimal 341)
+   defining Unicode char U+0158 (decimal 344)
+   defining Unicode char U+0159 (decimal 345)
+   defining Unicode char U+015A (decimal 346)
+   defining Unicode char U+015B (decimal 347)
+   defining Unicode char U+015E (decimal 350)
+   defining Unicode char U+015F (decimal 351)
+   defining Unicode char U+0160 (decimal 352)
+   defining Unicode char U+0161 (decimal 353)
+   defining Unicode char U+0162 (decimal 354)
+   defining Unicode char U+0163 (decimal 355)
+   defining Unicode char U+0164 (decimal 356)
+   defining Unicode char U+0165 (decimal 357)
+   defining Unicode char U+016E (decimal 366)
+   defining Unicode char U+016F (decimal 367)
+   defining Unicode char U+0170 (decimal 368)
+   defining Unicode char U+0171 (decimal 369)
+   defining Unicode char U+0178 (decimal 376)
+   defining Unicode char U+0179 (decimal 377)
+   defining Unicode char U+017A (decimal 378)
+   defining Unicode char U+017B (decimal 379)
+   defining Unicode char U+017C (decimal 380)
+   defining Unicode char U+017D (decimal 381)
+   defining Unicode char U+017E (decimal 382)
+   defining Unicode char U+200C (decimal 8204)
+   defining Unicode char U+2013 (decimal 8211)
+   defining Unicode char U+2014 (decimal 8212)
+   defining Unicode char U+2018 (decimal 8216)
+   defining Unicode char U+2019 (decimal 8217)
+   defining Unicode char U+201A (decimal 8218)
+   defining Unicode char U+201C (decimal 8220)
+   defining Unicode char U+201D (decimal 8221)
+   defining Unicode char U+201E (decimal 8222)
+   defining Unicode char U+2030 (decimal 8240)
+   defining Unicode char U+2031 (decimal 8241)
+   defining Unicode char U+2039 (decimal 8249)
+   defining Unicode char U+203A (decimal 8250)
+   defining Unicode char U+2423 (decimal 9251)
+)
+Now handling font encoding OT1 ...
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+(C:\CTEX\MiKTeX\tex\latex\fontspec\fontspec.cfg)))
+Requested font "氓庐^^8b盲陆^^93" at 10.0pt
+ -> C:/Windows/Fonts/simsun.ttc
+Requested font "氓庐^^8b盲陆^^93/ICU" at 10.0pt
+ -> C:/Windows/Fonts/simsun.ttc
+\g_fontspec_family_瀹嬩綋_int=\count180
+Requested font "氓庐^^8b盲陆^^93/ICU" at 10.0pt
+ -> C:/Windows/Fonts/simsun.ttc
+Requested font "茅禄^^91盲陆^^93/ICU" at 10.0pt
+ -> C:/Windows/Fonts/simhei.ttf
+Requested font "氓庐^^8b盲陆^^93/ICU" at 10.0pt
+ -> C:/Windows/Fonts/simsun.ttc
+Requested font "氓庐^^8b盲陆^^93/I/ICU" at 10.0pt
+ -> C:/Windows/Fonts/simsun.ttc
+.................................................
+. fontspec info: "no-font-shape"
+. 
+. Could not resolve font 瀹嬩綋/I (it probably doesn't exist).
+.................................................
+Requested font "茅禄^^91盲陆^^93/ICU" at 10.0pt
+ -> C:/Windows/Fonts/simhei.ttf
+Requested font "茅禄^^91盲陆^^93/I/ICU" at 10.0pt
+ -> C:/Windows/Fonts/simhei.ttf
+.................................................
+. fontspec info: "no-font-shape"
+. 
+. Could not resolve font 榛戜綋/I (it probably doesn't exist).
+.................................................
+.................................................
+. fontspec info: "defining-font"
+. 
+. Font family '瀹嬩綋(0)' created for font '瀹嬩綋' with options [BoldFont=榛戜
+綋].
+. 
+. This font family consists of the following shapes:
+. 
+. * 'normal' with NFSS spec.:
+. <->"瀹嬩綋/ICU:script=latn;language=DFLT;"
+. 
+. * 'bold' with NFSS spec.:
+. <->"榛戜綋/ICU:script=latn;language=DFLT;"
+.................................................
+Requested font "氓庐^^8b盲陆^^93/ICU:script=latn;language=DFLT;" at 10.0pt
+ -> C:/Windows/Fonts/simsun.ttc
+
+(D:\Matlab\StateEstimation-self-derivatives\鍏紡\鍏紡.aux)
+LaTeX Font Info:    Checking defaults for OML/cmm/m/it on input line 11.
+LaTeX Font Info:    ... okay on input line 11.
+LaTeX Font Info:    Checking defaults for T1/cmr/m/n on input line 11.
+LaTeX Font Info:    ... okay on input line 11.
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+LaTeX Font Info:    ... okay on input line 11.
+LaTeX Font Info:    Checking defaults for OMS/cmsy/m/n on input line 11.
+LaTeX Font Info:    ... okay on input line 11.
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+LaTeX Font Info:    ... okay on input line 11.
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+LaTeX Font Info:    ... okay on input line 11.
+LaTeX Font Info:    Checking defaults for EU1/lmr/m/n on input line 11.
+LaTeX Font Info:    ... okay on input line 11.
+LaTeX Font Info:    Checking defaults for T3/cmr/m/n on input line 11.
+LaTeX Font Info:    Try loading font information for T3+cmr on input line 11.
+
+(C:\CTEX\MiKTeX\tex\latex\tipa\t3cmr.fd
+File: t3cmr.fd 2001/12/31 TIPA font definitions
+)
+LaTeX Font Info:    ... okay on input line 11.
+
+*** you should *not* be loading the inputenc package
+*** XeTeX expects the source to be in UTF8 encoding
+*** some features of other encodings may conflict, resulting in poor output.
+.................................................
+. fontspec info: "setup-math"
+. 
+. Adjusting the maths setup (use [no-math] to avoid this).
+.................................................
+\symlegacymaths=\mathgroup6
+LaTeX Font Info:    Overwriting symbol font `legacymaths' in version `bold'
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+LaTeX Font Info:    Redeclaring math accent \grave on input line 11.
+LaTeX Font Info:    Redeclaring math accent \ddot on input line 11.
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+LaTeX Font Info:    Redeclaring math accent \hat on input line 11.
+LaTeX Font Info:    Redeclaring math accent \dot on input line 11.
+LaTeX Font Info:    Redeclaring math accent \mathring on input line 11.
+LaTeX Font Info:    Redeclaring math symbol \Gamma on input line 11.
+LaTeX Font Info:    Redeclaring math symbol \Delta on input line 11.
+LaTeX Font Info:    Redeclaring math symbol \Theta on input line 11.
+LaTeX Font Info:    Redeclaring math symbol \Lambda on input line 11.
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+(Font)              `operators' in the math version `normal' on input line 11.
+LaTeX Font Info:    Overwriting symbol font `operators' in version `normal'
+(Font)                  OT1/cmr/m/n --> EU1/瀹嬩綋(0)/m/n on input line 11.
+LaTeX Font Info:    Encoding `OT1' has changed to `EU1' for symbol font
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+LaTeX Font Info:    Overwriting symbol font `operators' in version `bold'
+(Font)                  OT1/cmr/bx/n --> EU1/瀹嬩綋(0)/m/n on input line 11.
+LaTeX Font Info:    Overwriting symbol font `operators' in version `normal'
+(Font)                  EU1/瀹嬩綋(0)/m/n --> EU1/瀹嬩綋(0)/m/n on input line 1
+1.
+LaTeX Font Info:    Overwriting math alphabet `\mathrm' in version `normal'
+(Font)                  EU1/瀹嬩綋(0)/m/n --> EU1/瀹嬩綋(0)/m/n on input line 1
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+11.
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+(Font)                  EU1/瀹嬩綋(0)/m/n --> EU1/瀹嬩綋(0)/bx/n on input line 
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+LaTeX Font Info:    Overwriting math alphabet `\mathit' in version `bold'
+(Font)                  OT1/cmr/bx/it --> EU1/瀹嬩綋(0)/bx/it on input line 11.
+
+LaTeX Font Info:    Overwriting math alphabet `\mathsf' in version `bold'
+(Font)                  OT1/cmss/bx/n --> EU1/lmss/bx/n on input line 11.
+LaTeX Font Info:    Overwriting math alphabet `\mathtt' in version `bold'
+(Font)                  OT1/cmtt/m/n --> EU1/lmtt/bx/n on input line 11.
+Requested font "氓庐^^8b盲陆^^93/ICU:script=latn;language=DFLT;" at 7.0pt
+ -> C:/Windows/Fonts/simsun.ttc
+Requested font "氓庐^^8b盲陆^^93/ICU:script=latn;language=DFLT;" at 5.0pt
+ -> C:/Windows/Fonts/simsun.ttc
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+ -> cmex7
+Requested font "cmex7" at 5.0pt
+ -> cmex7
+LaTeX Font Info:    Try loading font information for U+msa on input line 12.
+(C:\CTEX\MiKTeX\tex\latex\amsfonts\umsa.fd
+File: umsa.fd 2009/06/22 v3.00 AMS symbols A
+)
+Requested font "msam10" at 10.0pt
+ -> msam10
+Requested font "msam7" at 7.0pt
+ -> msam7
+Requested font "msam5" at 5.0pt
+ -> msam5
+LaTeX Font Info:    Try loading font information for U+msb on input line 12.
+
+(C:\CTEX\MiKTeX\tex\latex\amsfonts\umsb.fd
+File: umsb.fd 2009/06/22 v3.00 AMS symbols B
+)
+Requested font "msbm10" at 10.0pt
+ -> msbm10
+Requested font "msbm7" at 7.0pt
+ -> msbm7
+Requested font "msbm5" at 5.0pt
+ -> msbm5
+ [1
+
+]
+(D:\Matlab\StateEstimation-self-derivatives\鍏紡\鍏紡.aux) ) 
+Here is how much of TeX's memory you used:
+ 14250 strings out of 430478
+ 297453 string characters out of 3191503
+ 292163 words of memory out of 3000000
+ 17264 multiletter control sequences out of 15000+200000
+ 5427 words of font info for 33 fonts, out of 3000000 for 9000
+ 14 hyphenation exceptions out of 8191
+ 44i,8n,31p,604b,132s stack positions out of 5000i,500n,10000p,200000b,50000s
+
+Output written on 鍏紡.pdf (1 page).
diff --git a/鍏紡/鍏紡.pdf b/鍏紡/鍏紡.pdf
new file mode 100644
index 0000000..ad1a6c5
Binary files /dev/null and b/鍏紡/鍏紡.pdf differ
diff --git a/鍏紡/鍏紡.tex b/鍏紡/鍏紡.tex
new file mode 100644
index 0000000..f687f23
--- /dev/null
+++ b/鍏紡/鍏紡.tex
@@ -0,0 +1,21 @@
+\documentclass[10pt,a4paper,final]{report}
+\usepackage[utf8]{inputenc}
+\usepackage{amsmath}
+\usepackage{amsfonts}
+\usepackage{amssymb}
+\usepackage{fontspec}%浣跨敤xetex
+\setmainfont[BoldFont=榛戜綋]{瀹嬩綋}               % 浣跨敤绯荤粺榛樿瀛椾綋
+\XeTeXlinebreaklocale "zh"                      % 閽堝涓枃杩涜鏂
+\XeTeXlinebreakskip = 0pt plus 1pt minus 0.1pt  % 缁欎簣TeX鏂涓�瀹氳嚜鐢卞害
+\linespread{1.5}                                % 1.5鍊嶈璺�
+\begin{document}
+\begin{equation}
+\begin{aligned}
+\frac{\partial P_{ij}}{\partial V_i}
+&=
+-V_{ij}(g_{ij}cos\theta_{ij}+b_{ij}sin\theta_{ij})+
+2(g_{ij}+g_{si})V_i
+\end{aligned}
+\end{equation}
+
+\end{document}
\ No newline at end of file
diff --git a/鍏紡/鍏紡.tex.bak b/鍏紡/鍏紡.tex.bak
new file mode 100644
index 0000000..f687f23
--- /dev/null
+++ b/鍏紡/鍏紡.tex.bak
@@ -0,0 +1,21 @@
+\documentclass[10pt,a4paper,final]{report}
+\usepackage[utf8]{inputenc}
+\usepackage{amsmath}
+\usepackage{amsfonts}
+\usepackage{amssymb}
+\usepackage{fontspec}%浣跨敤xetex
+\setmainfont[BoldFont=榛戜綋]{瀹嬩綋}               % 浣跨敤绯荤粺榛樿瀛椾綋
+\XeTeXlinebreaklocale "zh"                      % 閽堝涓枃杩涜鏂
+\XeTeXlinebreakskip = 0pt plus 1pt minus 0.1pt  % 缁欎簣TeX鏂涓�瀹氳嚜鐢卞害
+\linespread{1.5}                                % 1.5鍊嶈璺�
+\begin{document}
+\begin{equation}
+\begin{aligned}
+\frac{\partial P_{ij}}{\partial V_i}
+&=
+-V_{ij}(g_{ij}cos\theta_{ij}+b_{ij}sin\theta_{ij})+
+2(g_{ij}+g_{si})V_i
+\end{aligned}
+\end{equation}
+
+\end{document}
\ No newline at end of file
diff --git a/鍏紡/閸忣剙绱�.synctex.gz(busy) b/鍏紡/閸忣剙绱�.synctex.gz(busy)
new file mode 100644
index 0000000..56a8dc0
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