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当你出现如下错误:
/ |# d* p0 I2 i" H% F% fError using sym/subs>normalize (line 201) B( {! o z- G/ x
OLD and NEW must have the same number of entries.5 i# j) O8 u7 L1 p
8 m3 d( z W6 }' v: M' f6 q, g% hError in sym/subs>mupadsubs (line 136)
# X0 L1 O3 _9 N3 h[X2,Y2,symX,symY] = normalize(X,Y); %#ok
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Error in sym/subs (line 124)7 Y; N& l9 Z1 Y I, m, v
G = mupadsubs(F,X,Y);
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Error in Funval (line 20)
$ z, H( G9 {3 T$ T, |2 A5 Dfv = subs(f,varvec,varval);
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Error in minNT (line 17)
9 y2 r% ]4 ^/ }# v& R1 Y v=Funval(gradf,var,x0);2 N, |) v" G' R3 o8 S; H
/ Y3 O/ i& w5 W) \3 c2 vError in syong1 (line 4)
5 ~' a, `' T7 Q( d[x,mf]=minNT(f,[0 0],[t,s])7 {( h; s. Y5 |: s! u# e
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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3 d; i }. X1 O' b
其实问题就出在这个地方:
1 c) m) x/ ^" Q! j3 o9 O# H' M1 Hfv = subs(f,varvec,varval);中varvec是【t,s】而varval是【0;1】6 o) a. |# }6 C4 s" I K0 |
所以正确的Funval如下:
1 S! f4 Z$ H q, c
6 P p! l: ]( F* `
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