Variable q8L, q8y, q8x,q8f must be of siize [6,1] it is currently of size [8,1]

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lateef 2024-3-14

评论： Torsten 2024-3-14

syms x y L

f(x,y)=(x*y)^2;

g(x,y)=x^2+y^2-16;

firstpart=jacobian(f(x,y),[x,y])-L*jacobian(g(x,y),[x,y])

firstpart =

[q8L,q8x,q8y]=solve([firstpart,g])

q8L =

q8x =

q8y =

q8f=subs(f(x,y),{x,y},{q8x,q8y})

q8f =

lateef 2024-3-14

if anyone can let me know how to fix this eror im getting id appreciate it thank you

Torsten 2024-3-14

f(x,y)=x*y^2;

instead of

f(x,y)=(x*y)^2;

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