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How to insert value in the first of vector?

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Mira le
Mira le 2019-12-29
回答： Star Strider 2019-12-29
CumProb
ans =
0.1579 0.2105 0.3158 0.4211 0.5263 0.7895 1.0000
I want to insert the value 0 at the begining of the vector CumProb
the result=
0 0.1579 0.2105 0.3158 0.4211 0.5263 0.7895 1.0000

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采纳的回答

Star Strider
Star Strider 2019-12-29
Probably the easiest way is to do exactly that:
CumProb = [0.1579 0.2105 0.3158 0.4211 0.5263 0.7895 1.0000];
CumProb = [0 CumProb];
Another option:
newCumProb = zeros(1,size(CumProb,2)+1);
newCumProb(2:end) = CumProb;

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