Input contains NaN, infinity or a value too large for dtype('float64') classfier code example

Example 1: ValueError: Input contains NaN, infinity or a value too large for dtype('float32'). site:stackoverflow.com

np.all(np.isfinite(mat))

Example 2: ValueError: Input contains NaN, infinity or a value too large for dtype('float32'). site:stackoverflow.com

np.any(np.isnan(mat))