problem with symbolic differentiation

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Maria Sargsyan
Maria Sargsyan 2015-11-21
回答： Walter Roberson 2015-11-21
I have a problem with an implementation of a problem. Suppose I have a function and then apply symbolic differentiation
syms x;
syms y;
f= @(x,y) (x^2+x*y);
f_x= matlabFunction(diff(f,x)); %%turns a sumbolic expression into a function of 2 variable
f_y= matlabFunction(diff(f,y)); turns a symbolic expression into a function of 1 variable
How can I get a function of 2 variables in each case . maybe they are different ways of converting a symbolic expression into a function
Sincerely, Maria

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回答（1 个）

Walter Roberson
Walter Roberson 2015-11-21
matlabFunction(diff(f,y), [x,y])

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