variable of arbitrary size

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Mohamad daneshbodi
Mohamad daneshbodi 2012-11-21
Hi I am a newbie in MATLAB. THis is my function which is similar to quadprog but in much smaller scale. "function [ x,fval ] = apple( Q,A,b,lb,up,x0)" my fval is x'*Q'x and my problem is that for any matrix Q(n*n) I need to have vector X=[X1;X2;X3....;Xn]. how can I initialize X of having corresponding size to n. x0 can also be inputted which might be helpful in creating X however x0 is not variable and has values.
I am stuck can anyone please help me with that.Thank you in advance

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回答（1 个）

Walter Roberson
Walter Roberson 2012-11-21
X = zeros(n, 1);

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