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当你出现如下错误:
4 ~) B$ _* M; Z: A. wError using sym/subs>normalize (line 201)6 a4 X" L+ z& s F% X. h9 d7 B
OLD and NEW must have the same number of entries.
# W; z' v* f; w5 z" ~4 V0 B/ v, T% d: L5 S% `- Z
Error in sym/subs>mupadsubs (line 136)
; j _+ a: }5 }[X2,Y2,symX,symY] = normalize(X,Y); %#ok
- o' {; g( C# t6 n2 Z; P( L$ b: f
! Z" O6 B+ {$ X3 E n8 d% b- QError in sym/subs (line 124)6 Z. U) D0 \, @! } K" U# G
G = mupadsubs(F,X,Y);/ f/ _8 G' S" ^- r2 L$ ?& t
9 H7 A, V! }( e( U I! J2 Q7 m
Error in Funval (line 20)8 |; S6 F( B5 j1 D5 s1 s7 K, j
fv = subs(f,varvec,varval);5 ]) ?0 d* w5 q0 T3 J" P6 D
! B8 ^9 u% ^/ _
Error in minNT (line 17)1 ?! [3 _1 c; \) X4 M% A1 B
v=Funval(gradf,var,x0);! q6 n" G( p! C0 r1 A) }
2 z) ]& a$ t" c5 j/ G5 c
Error in syong1 (line 4)
0 j7 \. {/ n: B+ ~[x,mf]=minNT(f,[0 0],[t,s])! N0 B; s! ~& M
+ O) h, H' B7 y N6 p( z% g w9 c你该考虑矩阵是否对应的问题,也就是行列向量的问题
& k2 V* m3 o) w6 d. [% x其实问题就出在这个地方:: t# p X2 S. N- G
fv = subs(f,varvec,varval);中varvec是【t,s】而varval是【0;1】
% R/ J% x+ u; D. F. D9 s' f所以正确的Funval如下:
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