脾气暴躁:最大值是NaN [英] Numpy: Maximal Value is NaN

问题描述

我关于Python的问题确实微不足道:我需要修改什么功能max()为任何编译器返回真实值?

My question about Python is really trivial: What do I have to modify that the function max() returns a real value for any compiler?

import numpy as np
a = np.array([-1, 0, 1, np.nan])
# The maximal value is 1. It is not nan!
a.max()

可以使用以下代码，但对我来说看起来很丑:

There is the possibility to use the following code but it looks ugly to me:

a[np.logical_not(np.isnan(a))].max()

推荐答案

@Divakar使用

As was answered by @Divakar using np.nanmax(a) will solve your question.

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