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FAS


Last seen: 6 months ago |  Active since 2017

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OPTICS clustering in MATLAB
I tried to find code that implimet OPTICS clustering in the same way of python sklearn OPTICS clustering but I did not find. Can...

2 years ago | 2 answers | 0

2

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Answered
how to convert table to matrix?
Suppose your table is X. X = X{:,:}

6 years ago | 15

Question


Are the following steps to calculate the accuracy correct or not?. Also, regarding to the sensitivity and specificity, should I do the same?
I have a video clip that contains1500 frames. I trained my algorithm using a training video and detected the abnormalities in th...

7 years ago | 0 answers | 0

0

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My question is: what does the second equation doing? is it for normalization or what? Thanks in advance.
O_E = M * X; E = ( sum( O_E.^ 2 ) ) ./ ( sum( X .^ 2 ) ); Where: M = 100*100; X = 100*500; O_E = 100*500; E ...

7 years ago | 0 answers | 0

0

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Pls, I need your help. I have a matrix of features X(100*2071 double). Then, I applied svd() on X as in the following code. I read a lot about svd (singular value decompisition) but I can not understand what is the purpose from s as in the code.
clear; clc; load X; [ s, ~ ] = svd( X ); D = s( :, 1:20 );%100*20 %%Take only the 20 columns from s

7 years ago | 0 answers | 0

0

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Trying to run the vgg_kmiter.c in matlab 2015b
Im trying to run this code (mex vgg_kmiter.c) in Matlab 2015a but I am encountering the following error: Error using mex ...

7 years ago | 0 answers | 0

0

answers