# Integration limit is an array

3 views (last 30 days)
Athira T Das on 22 Dec 2022
Commented: VBBV on 22 Dec 2022
syms x
tau=35*10^-15;
f=tau.*exp(-x.^(2));
t=linspace(-300*10^-15,300*10^-15,500);
fun=matlabFunction(f,'Vars',x);
z=integral(fun,-Inf,(t/tau),'ArrayValued',true)
Error using integral
Limits of integration must be double or single scalars.

VBBV on 22 Dec 2022
syms x
tau=35*10^-15;
f=tau.*exp(-x.^(2));
t=linspace(-300*10^-15,300*10^-15,500);
fun=matlabFunction(f,'Vars',x)
fun = function_handle with value:
@(x)exp(-x.^2).*3.5e-14
for k = 1:length(t)
z(k)=integral(fun,-Inf,(t(k)/tau),'ArrayValued',true);
end
z
z = 1×500
1.0e-13 * 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000
plot(t,z)
VBBV on 22 Dec 2022
As mentioned in error, use scalar inputs to function integral

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