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当你出现如下错误:
; v6 @ P$ d9 M. d% xError using sym/subs>normalize (line 201)
& {, Z; |+ W; U w3 VOLD and NEW must have the same number of entries.
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Error in sym/subs>mupadsubs (line 136)- P3 e% L. h0 _; d' z6 l# u- C
[X2,Y2,symX,symY] = normalize(X,Y); %#ok
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Error in sym/subs (line 124)$ D; q4 Q& J/ g X* Y1 B- s' N
G = mupadsubs(F,X,Y);
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1 U) M0 u) d9 \5 pError in Funval (line 20)+ ~( t, D* J, v/ G9 d; m( L& {, m
fv = subs(f,varvec,varval);
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Error in minNT (line 17)
" [: x; ~/ F W4 y v=Funval(gradf,var,x0);
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( w/ Y8 C0 J0 c9 N' I( iError in syong1 (line 4)
9 O- Y; m- w$ d4 Z% ]8 o[x,mf]=minNT(f,[0 0],[t,s])1 M6 [7 C% r+ j0 @. v2 b+ [6 ^ d
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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
8 W5 I" M. W. E8 \6 Q0 y- p其实问题就出在这个地方:" M# X; j0 L* \1 \" E+ V& C1 z
fv = subs(f,varvec,varval);中varvec是【t,s】而varval是【0;1】) R; i4 R2 C4 C/ f# L
所以正确的Funval如下: ^/ w4 t! `: {1 q: G
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