python numpy array find max index

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python numpy array find max index

2018年12月22日 — amax() If it's provided then it will return for array of max values along the axis i.e. If axis=0 then it returns an array containing max value for each columns. If axis=1 then it returns an array containing max value for each row. ,2014年5月25日 — The easiest way would be to find the max and then, look for its index. >>> a = [1, 5, 2, 3, 4] >>> val = max(a) >>> a.index(val) 1. You could also ... ,2015年11月11日 — What's wrong with. In [6]: ind = np.argmax(a) In [7]: a[ind] Out[7]: array([ 0.69524801]). Since you have a two-dimensional array, you might prefer ... ,The simplest I've been able to come up with is: In [1]: import numpy as np In [2]: arr = np.array([1, 3, 2, 4, 5]) In [3]: arr.argsort()[-3:][::-1] Out[3]: array([4, 3, 1]). ,2019年3月21日 — Closed 1 year ago. I want to find the maximum value in a 2D array and the indices of the maximum value in Python using NumPy. I used ,How to find the index of the max value in a NumPy array in Python. Finding the index of the max value in a NumPy array finds the maximum value in the array ... ,2012年11月24日 — >>> a.argmax(axis=0) array([1, 1, 0]). ,Returns the indices of the maximum values along an axis. Parameters. aarray_like. Input array. axisint, optional. By default, the index is into the flattened array, ... ,2011年6月1日 — max_value = max(my_list) max_index = my_list.index(max_value) ... times faster than @Escualo assuming that the list is very large, and assuming that it's already an np.array(). ... With Python's built-in library, it's pretty easy:

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python numpy array find max index 相關參考資料
Find max value & its index in Numpy Array | numpy.amax ...

2018年12月22日 — amax() If it's provided then it will return for array of max values along the axis i.e. If axis=0 then it returns an array containing max value for each columns. If axis=1 then it r...

https://thispointer.com

Find the index corresponding to the max value of a numpy array

2014年5月25日 — The easiest way would be to find the max and then, look for its index. >>> a = [1, 5, 2, 3, 4] >>> val = max(a) >>> a.index(val) 1. You could also ...

https://stackoverflow.com

find the maximum value and its index in an numpy array ...

2015年11月11日 — What's wrong with. In [6]: ind = np.argmax(a) In [7]: a[ind] Out[7]: array([ 0.69524801]). Since you have a two-dimensional array, you might prefer ...

https://stackoverflow.com

How do I get indices of N maximum values in a NumPy array ...

The simplest I've been able to come up with is: In [1]: import numpy as np In [2]: arr = np.array([1, 3, 2, 4, 5]) In [3]: arr.argsort()[-3:][::-1] Out[3]: array([4, 3, 1]).

https://stackoverflow.com

How to find maximum value in whole 2D array with indices ...

2019年3月21日 — Closed 1 year ago. I want to find the maximum value in a 2D array and the indices of the maximum value in Python using NumPy. I used

https://stackoverflow.com

How to find the index of the max value in a NumPy array in ...

How to find the index of the max value in a NumPy array in Python. Finding the index of the max value in a NumPy array finds the maximum value in the array ...

https://www.kite.com

How to get the index of a maximum element in a NumPy array ...

2012年11月24日 — >>> a.argmax(axis=0) array([1, 1, 0]).

https://stackoverflow.com

numpy.argmax — NumPy v1.20 Manual

Returns the indices of the maximum values along an axis. Parameters. aarray_like. Input array. axisint, optional. By default, the index is into the flattened array, ...

https://numpy.org

Pythonic way to find maximum value and its index in a list ...

2011年6月1日 — max_value = max(my_list) max_index = my_list.index(max_value) ... times faster than @Escualo assuming that the list is very large, and assuming that it's already an np.array(). ... Wi...

https://stackoverflow.com