How do you print an anonymous function properly in a figure title?
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I am trying to print an anonymous function as part of a title for a plot. I would like it to look like a latex entry where
but we get f(x)=@(x)x.^2 instead.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/203607/image.png)
I have provided a MWE below;
f=@(x) x.^2
x_coordinates=[1:10]
fx=f(x_coordinates)
plot(x_coordinates,fx)
title(sprintf('The Evolution of the Heat Equation with Source f(x)=%s', func2str(f)))
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/203608/image.jpeg)
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aara
am 11 Feb. 2019
You could do it by manipulating the equation of the function alone and then adding it to the remaining text:
f=@(x) x.^2
x_coordinates=[1:10]
fx=f(x_coordinates)
plot(x_coordinates,fx)
eqn = func2str(f);%changes to a char array
eqn2 = eqn(5:end);%removes the '@(x) handle
eqn3 = replace(eqn2,'.','') %removes the . used for multiplication
placeholder1 = "The Evolution of the Heat Equation with Source $f(x)=" + string(eqn3+ "$")
title(placeholder1,'Interpreter','latex')
Not sure if this works for all equations.
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