Please suggest a method using Vectorization.
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I want to do the following operation using vectorization technique of Matlab. I am a novice user of matlab. So please tell me how i can get the following operation done without using the FOR Loop.
x=[1 2 3 4 5 6 7 8 9 10 11 1 2];
for i=1:length(x)
x(i)=((-1)^i)*x(i);
end
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