Python How to get the index of a maximum element in a NumPy array
How to get the index of a maximum element in a NumPy array along one axis Asked 12 years 11 months ago Modified 4 months ago Viewed 322k times 155 I have a 2 dimensional NumPy array I know how to get the maximum values over axes a array 1 2 3 4 3 1 amax a axis 0 array 4 3 3
Python Program to Find Largest Element in an Array, Here we will use the inbuilt method max to find the maximum of the array Below is the implementation of the approach Python3 def largest arr n ans max arr return ans if name main arr 10 324 45 90 9808 n len arr print Largest in given array largest arr n Output
Numpy maximum NumPy v1 26 Manual
Parameters x1 x2array like The arrays holding the elements to be compared If x1 shape x2 shape they must be broadcastable to a common shape which becomes the shape of the output outndarray None or tuple of ndarray and None optional A location into which the result is stored
Numpy max NumPy v1 26 Manual, The minimum value of an array along a given axis propagating any NaNs nanmax The maximum value of an array along a given axis ignoring any NaNs maximum Element wise maximum of two arrays propagating any NaNs fmax Element wise maximum of two arrays ignoring any NaNs argmax Return the indices of the maximum values nanmin minimum fmin
Get Maximum Value in Array Python Numpy
Get Maximum Value in Array Python Numpy, To get the maximum value of a NumPy Array you can use numpy max function Syntax The syntax of max function as given below max value numpy max arr Pass the numpy array as argument to numpy max and this function shall return the maximum value Examples 1 Maximum value of numpy array
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Numpy argmax NumPy v1 26 Manual
Numpy argmax NumPy v1 26 Manual Numpy argmax Returns the indices of the maximum values along an axis Input array By default the index is into the flattened array otherwise along the specified axis If provided the result will be inserted into this array It should be of the appropriate shape and dtype
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Find maximum value its index in a 1D Numpy Array Let s create a 1D numpy array from a list i e Copy to clipboard arr numpy array 11 12 13 14 15 16 17 15 11 12 14 15 16 17 Find maximum value Frequently Asked Remove All Occurrences of a Value from NumPy Array Find max value its index in Numpy Array numpy amax . 5 Answers Sorted by 26 You can use np argmax along with np unravel index as in x np random random 5 5 print np unravel index np argmax x x shape Share Improve this answer Follow answered Jul 4 2012 at 16 07 Geoff Reedy 35 3k 3 56 79 1 This is the most efficient solution here proposed Ricardo Cruz Jan 2 2020 at 14 17 3 2 Get Max Value of 1 D Array If you have a 1 dimensional array and you want to find the maximum value in that array you can use the numpy library in Python For instance np max function is used to find the maximum value in the 1 dimensional NumPy array arr import numpy as np Create a 1 D array arr np array 16 10 96 32 50 64 85 Get the maximum value of 1 D numpy array max value
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