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当你出现如下错误:
9 k% n K8 B# ~8 ZError using sym/subs>normalize (line 201)" U+ Q$ O' q& V! }1 T$ e$ J6 y
OLD and NEW must have the same number of entries.
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) Y* C' h. B5 _2 @Error in sym/subs>mupadsubs (line 136)
6 ?( s3 b* L# L[X2,Y2,symX,symY] = normalize(X,Y); %#ok
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Error in sym/subs (line 124)1 g# Q5 c* ~" N9 ?( {! h$ J H: e
G = mupadsubs(F,X,Y);
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# q9 C: V( m7 K& G7 SError in Funval (line 20)2 | C( s# i3 q: N# s' I: d
fv = subs(f,varvec,varval);* g" H' a- c& I0 E
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Error in minNT (line 17)8 [- I2 F3 `/ Z- Q1 I
v=Funval(gradf,var,x0);
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0 r2 n" f) g: ~. ^+ LError in syong1 (line 4)
+ L! _" Q- n( C$ ?1 w/ m% x[x,mf]=minNT(f,[0 0],[t,s])9 v+ e* L0 L; L p" g6 E+ {5 }
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你该考虑矩阵是否对应的问题,也就是行列向量的问题
1 ]1 P) k7 Z) ]' J! z( g$ V其实问题就出在这个地方:; H) s- t7 }! t% G- y
fv = subs(f,varvec,varval);中varvec是【t,s】而varval是【0;1】4 x6 ^! |/ C0 }
所以正确的Funval如下:+ D& {" R {; f( t( S+ u' s6 p
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