Sending multiple arguments to function in python including 2D array

Question

I am trying to index 2D array "matrix" in these two functions. The indexing works well in the "findMin" function, but for the "plotContours" function, I keep getting the following error: "TypeError: 'numpy.float64' object is not callable"

What is the best way to pass a 2D array to a function that also contains integers in the arguments? The 2D array "matrix" is the same variable that I send to both functions.

Here are the two functions:

def findMin(matrix):
    for i in range(len(matrix)):
        for j in range(len(matrix[0])):... 
         [array index processing]
    return xyz

def plotContours(matrix, max, min, range):
    for i in range(len(matrix)):
        for j in range(len(matrix[0])):...
        [array index processing]
    return xyz

max, min and range are predefined functions in Python, you cannot use them as variables. — Djaouad
– Djaouad, Commented Sep 23, 2017 at 18:50
@MrGeek, yes you can, but that's exactly why there's a problem here. — alexis
– alexis, Commented Sep 23, 2017 at 18:50
@alexis and WillemVanOnsem thanks for the clarification, but it's still not a good practice, and in this case, range is the problem. — Djaouad
– Djaouad, Commented Sep 23, 2017 at 18:54
Yes, "not good practice" hits the nail on the head. When the builtin is not used it's not obvious why it shouldn't be shadowed (the OP might not even know that min and max are builtins), but this question is a textbook example of why. — alexis
– alexis, Commented Sep 23, 2017 at 19:01

alexis · Accepted Answer · 2017-09-23 18:53:11Z

1

You don't show how you call plotContours(), but since one of its arguments is called range, you don't have access to the Python range() function inside plotContours(): Instead, range is whatever you passed as the fourth argument. You seem to pass a numpy.float64 object, which you then attempt to "call" as if it was a function.

answered Sep 23, 2017 at 18:53

alexis

50.4k18 gold badges107 silver badges172 bronze badges

Sign up to request clarification or add additional context in comments.

1 Comment

TheoreticallyNick Over a year ago

Thank you! I did not realize the range call was problematic!

Collectives™ on Stack Overflow

Sending multiple arguments to function in python including 2D array

1 Answer 1

1 Comment

Your Answer

Hot Network Questions

Collectives™ on Stack Overflow

1 Answer 1

1 Comment

Your Answer

Sign up or log in

Post as a guest

Related