defining and plotting a function in MATLAB

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Hello,
I am trying to plot this function:
p = @(theta) p0_CSF*sin(theta)*((1-exp(TR/T1_CSF))/(1-exp(TR/T1_CSF))*(TE/T2_CSF) (where I have defined all variables above it)
plot(theta,p)
and I get this error:
Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.
Could you please explain the error and how to fix it?
Thank you!

Accepted Answer

Bjorn Gustavsson
Bjorn Gustavsson on 28 Jan 2021
Your missing a closing parenthesis!
p = @(theta) p0_CSF*sin(theta)*((1-exp(TR/T1_CSF)))/(1-exp(TR/T1_CSF))*(TE/T2_CSF)
% I guessed it should be there:^
plot(theta,p(theta))
HTH

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