Define a function in global scope inside another function

General Usage
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4

My problem is this: Initialize some functions at every remake in PDEProblem

I’ve thought a possible solution would be to redefine

Temperature(t,x)

by defining a function:

function pde_solution(Tvec)
    interp = LinearInterpolation(Tvec, [1.,2.,3.,4.,5.])
    global Temperature(t, x) = interp(x)
    solve(prob, TRBDF2())
end