Symbolic or function handle to numeric
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Is there a way to turn a symbolic expression or function handle into a numeric expression? For example, say i have:
syms x
y=x^2;
and would like to turn it into to this
y=x^2;
Where x is no longer a symbolic variable such that when I give x a value like
x=[1 2 3];
and I type
y
I get
y=[1 4 9];
I know function handles will do this but matlab coder can not take function handles, so is there a way to do this?
Thanks
Drew
回答（2 个）
Azzi Abdelmalek
2016-4-20
编辑：Azzi Abdelmalek
2016-4-20
syms x;
y=x^2;
out=subs(y,[1 2 3])
3 个评论
Drew Mitchell
2016-4-20
Azzi Abdelmalek
2016-4-20
编辑：Azzi Abdelmalek
2016-4-20
have you tried inline function?
y=inline('x.^2')
Drew Mitchell
2016-4-20
Walter Roberson
2016-4-21
0 个投票
syms is not supported by the coder either. So anything having to do with symbolics has to be done and over with before code is generated. At the time you are running the symbolic code, you can use matlabFunction to write to a file.
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2016-4-20
2016-4-21
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