Variable order matrix with some constant value entry

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RoboKid
RoboKid 2013-11-10
评论： RoboKid 2013-11-10
How to make a matrix with all entries of -1 with a desired order. I want to make a matrix L= [-1 ;-1 ;-1], but size of L is another variable. i.e. I want L = -1 of size (x,y)

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Walter Roberson
Walter Roberson 2013-11-10
L = -1 * ones(x, y);

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