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vector addition in a single row

Asked by PK

PK (view profile)

on 28 Sep 2012

for a constant w=2 a matrix is to be generated by incrementing it as many times and save it in another matrix as the following way out=[w+1 w+2 w+3 w+4.......]

1 Comment

Jan Simon

Jan Simon (view profile)

on 28 Sep 2012

Please post what you have tried so far and which problems occurred.

PK

PK (view profile)

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1 Answer

Answer by Sabarinathan Vadivelu on 28 Sep 2012
Accepted answer
w = 2;
N = 10; % N value may be anything as the length u need..
for i = 1 : N
    out(i)=[w+i];
end

1 Comment

Jan Simon

Jan Simon (view profile)

on 28 Sep 2012

Please do not answer homework questions.

A pre-allocation would be more efficient. Otherwise "out" grows in each iteration, which wastes a lot of time - for larger arrays.

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