MATLAB CODE TO FIND LOCAL EXTREMA OF A FUNCTION

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ASHOK VARDHAN
ASHOK VARDHAN 2019-8-13
回答： Prashanth B 2022-2-12
what is the matlab code to identify local extrema of follwing function f(x,y)=x^2+y^3-3*x*y , -5<=y<=5

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回答（3 个）

Torsten
Torsten 2019-8-13
syms x y
f = x^2 + y^3 - 3*x*y;
fx = diff(f,x);
fy = diff(f,y);
eqns = [ fx == 0, fy == 0];
vars = [x y];
[solx, soly] = solve(eqns, vars)
HARSHAVARDINI KRISHNAN
syms x y
f = x^2 + y^3 - 3*x*y;
fx = diff(f,x);
fy = diff(f,y);
eqns = [ fx == 0, fy == 0];
vars = [x y];
[solx, soly] = solve(eqns, vars)
Prashanth B
Prashanth B 2022-2-12
I=

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