add and remove columns from a marix

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Niki on 6 Sep 2011
I am writing a code , in fact I have a matrix and I select the fist column then I add next column and in each epoch one column will be adding to the previous for example first 1 , the second epoch 1 and 2 , the third epoch 1, 2 and 3 and so on .
I do that like this
for i = 1:size(Matrix,2) new matrix after each iteration = Matrix(:,1:i);
but now before i put end, I would like to evaluate this new matrix.
I would like to say if nnn> 0.5 then keep this and continue the loop otherwise remove this column from the Matrix and go for the next one and continue the loop
Do you have any idea?

Answers (1)

Fangjun Jiang
Fangjun Jiang on 6 Sep 2011
for k=1:size(Matrix,2)
if n(k)>0.5

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