A function handle constructed by a symbolic function and another function handle

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Mohammad Shojaei Arani
编辑： Walter Roberson 2023-10-6
Hello,
I have a simple problem but unfortunately could not figure out how to fix it. Consider the following
syms sigma(x)
par=sym('par', [1 2]);
sigma(x)=par(1)+par(2)*x;
f=@(x)x;
Now, imagine I want to construct a function handle H using f and sigma as bellow:
sigma = matlabFunction(sigma);
H = @(x,par) sigma(x,par)+f(x);
Now, you see my problem. For matlab H has 2 inputs: x and par. But, I am struggling to define H(x,par(1),par(2)) = sigma(x,par(1),par(2))+f(x)
Thanks for your help in advance!
Babak

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Dyuman Joshi
Dyuman Joshi 2023-10-6
Ran in:
You can do this without symbolic variables.
The definition is correct, just call the function with appropriate inputs -
sigma = @(x,par) par(1)+par(2)*x;
f=@(x)x;
H = @(x,par) sigma(x,par)+f(x)
H = function_handle with value:
@(x,par)sigma(x,par)+f(x)
H(1,[1 2])
ans = 4
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