numpy.ptp()functions use to plays an important role in statistics by finding out Range of given numbers. Range = max value – min value.
Syntax : ndarray.ptp(axis=None, out=None)
arr :input array.
axis :axis along which we want the range value. Otherwise, it will consider arr to be flattened(works on all the axis). axis = 0 means along the column and axis = 1 means working along the row.
out : [ndarray, optional]Different array in which we want to place the result. The array must have same dimensions as expected output.
Return : Range of the array (a scalar value if axis is none) or array with range of values along specified axis.
Code #1 : Working
arr : [1, 2, 7, 20, nan] Range of arr : nan arr : [1, 2, 7, 10, 16] Range of arr : 15
Code #2 :
arr : [[14, 17, 12, 33, 44], [15, 6, 27, 8, 19], [23, 2, 54, 1, 4]] Range of arr, axis = None : 53 Range of arr, axis = 0 : [ 9 15 42 32 40] Min of arr, axis = 1 : [32 21 53]
Code #3 :
Initial arr1 : [0 1 2 3 4] Changed arr1(having results) : [ 9 15 42 32 40]
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