There is an operator missing, likely a *
:
-3.7 need_something_here (prof[x])
The “is not callable” occurs because the parenthesis — and lack of operator which would have switched the parenthesis into precedence operators — make Python try to call the result of -3.7
(a float) as a function, which is not allowed.
The parenthesis are also not needed in this case, the following may be sufficient/correct:
-3.7 * prof[x]
As Legolas points out, there are other things which may need to be addressed:
2.25 * (1 - math.pow(math.e, (-3.7(prof[x])/2.25))) * (math.e, (0/2.25))) ^-- op missing extra parenthesis --^ valid but questionable float*tuple --^ expression yields 0.0 always --^
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