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How to replace equations in symbolic function

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Anis Frej
Anis Frej 2020-3-27
评论： Anis Frej 2020-3-27
Good Morning,
Please I have a function F = 3*a*b
Therefore how can i change (a*b) with a variable 'x' to obtain F = 3*x
Think you.

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采纳的回答

Birdman
Birdman 2020-3-27
By using subs function:
syms a b x
F=3*a*b;
Fnew=subs(F,{a,b},{x,1})
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Birdman
Birdman 2020-3-27
Is there any chance you can use a newer release of MATLAB?

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