nan
Negative NaN is not a NaN?
While writing some test cases, and some of the tests check for the result of a NaN. I tried using std::isnan but the assert failes:[详细]
2023-01-13 08:25 分类:问答c# nullable double to actionscript NaN through fluorine gateway
Is there a way in fluorine to force a nullable double to be passed to flex as NaN? (and vice ve开发者_如何学Crsa)[详细]
2023-01-12 12:07 分类:问答Why does this code sometimes return NaN?
This often returns NAN (\"Not A Number\") depending on input: 开发者_如何转开发 #define PI 3.1415f[详细]
2023-01-02 22:35 分类:问答I get NaN when I try to insert some HTML into a DIV element with jQuery
I am tring to display a text box when a element of class numObj is clicked. For some reason I get NaNNaNaNaNNaNNaNaNaN where I expect to the see the result of the searchForm variable in the code below[详细]
2023-01-01 09:53 分类:问答When can Java produce a NaN?
I know what Java Double.NaN is.I have some Java code that produces NaN. // calculate errors delta = m1 + m2 - M;[详细]
2023-01-01 04:03 分类:问答"isnotnan" functionality in numpy, can this be more pythonic?
I need a function that returns non-NaN values from an array. Currently I am doing it this way: >>> a = np.array([np.nan, 1, 2])[详细]
2022-12-30 10:04 分类:问答Is there a better way of making numpy.argmin() ignore NaN values
I want to get the index of the min value of a numpy array that contains NaNs and I want them ignored >>> a = array([ nan,2.5,3.,nan,4.,5.])[详细]
2022-12-29 21:51 分类:问答How to interpret situations where Math.Acos() reports invalid input?
Hey all.I\'m computing the angle between two vectors, and sometimes Math.Acos() returns NaN when it\'s input is out of bounds (-1 > input && input > 1) for a cosine.What does that mean, exactl[详细]
2022-12-27 13:35 分类:问答How do you check that a number is NaN in JavaScript?
I’ve only been trying it in Firefox’s JavaScript console, but neither of the following st开发者_运维技巧atements return true:[详细]
2022-12-27 07:15 分类:问答How can I plot NaN values as a special color with imshow in matplotlib?
I am trying to use imshow in matplotlib to plot data as a heatmap, but some of the values are NaNs. I\'d like the NaNs to be rendered as a special color not found in the colormap.[详细]
2022-12-25 12:21 分类:问答