Function that uses functions as parameters

Question

I am trying to evaluate the following type of expression

max(0,x_2-1)

for an interval of values of x_2.

The final objective is to be able to obtain a plot of an expression of the form

max(0,x_2-1) >= max(x_1,x_3-1)

I don't think python has any built in function to do this, so I was trying to write my own function but I am not sure how to write a function that has another function, like x_2-1, as input.

Could anyone tell me how to solve this issue?

You can pass functions as parameters to other functions in the same way as you would pass anything else: def foo(f): print(f(2)), def bar(x): return x*2, foo(bar) — Nick is tired
– Nick is tired, Commented May 11, 2017 at 15:27

Paul H · Accepted Answer · 2017-05-11 15:24:32Z

2

Functions are objects in python:

def foo(x, fxn):
    return fxn(x) + 5

def bar(x):
    return x + 10

print(foo(2, bar))

prints 17

answered May 11, 2017 at 15:24

Paul H

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