Hi, I generate a feature matrix from wavelet dicomposion of an EEG signal, for example with 2×16 double dimensions. But when I want to see max and min for all columns, for some columns, it return 0!!
here is my matrix:
Features = [1227752731.63331, 18338294.3655838, 72667987.4176357, 2710006.87295031, 2623292.81882001, 16791624.0266024, 570620.052920511, 206222.333358212, 1001033.71805223, 16658.1448182973, 43506.1703317381, 143319.583017336, 21259.4058920161, 33646.8754811107, 87870.4592040121, 10139.3064159190 ; 373181415.803611, 2184323.98283064, 7124198.60955997, 168359.098887688, 287423.644267531, 1448871.84718216, 42715.7953000498, 30445.2160607579, 100263.257495253, 5559.10902863085, 9485.91790552470, 74748.0071948079, 2814.63617073193, 4522.57176240473, 10081.3836180636, 1715.21296944122];% As you can see, my 16th column values are:
Features(:,16)ans = 1.0e+04 * 1.0139 0.1715 % But if I type max(Features), it gets me 0.0000 for column 16th and some other columns as well
max(Features)ans = 1.0e+09 * Columns 1 through 10 1.2278 0.0183 0.0727 0.0027 0.0026 0.0168 0.0006 0.0002 0.0010 0.0000 Columns 11 through 16 0.0000 0.0001 0.0000 0.0000 0.0001 0.0000 % But if I type max(Features(:,16)
max(Features(:,16))ans = 1.0139e+04
So I was wundering what would this happen?!!
Note: I didn't use max or min keywords in any part of my code. I check that with which('max', '-all') command.
Tnx in advance.
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