How to build a new matrix
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I have a matrix
a = [4;6;8;2;8;2];
And I want it to be like:
b = [7;8;11;12;15;16;3;4;15;16;3;4];
Matrix b is calculated based on following formula:
7 = 4*2-1
8 = 4*2
11 = 6*2-1
12 = 6*2
15 = 8*2-1
16 = 8*2
3 = 2*2-1
4 = 2*2
15 = 8*2-1
16 = 8*2
3 = 2*2-1
4 = 2*2
1 commentaire
Titus Edelhofer
le 29 Oct 2014
Hi,
I would suggest to take a look at http://www.mathworks.com/matlabcentral/answers/8626-how-do-i-get-help-on-homework-questions-on-matlab-answers
Titus
Réponse acceptée
Mischa Kim
le 29 Oct 2014
Something like
b = reshape(bsxfun(@minus,2*repmat(a,1,2),[1 0])',1,[])
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