Using repmat command to create cell array

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Luffy
Luffy 2012-7-7
I want to create a cell array with a repeating pattern of rgb colors of size n where n is a variable that is determined on the run,
So,I've tried this,
repmat({'red','blue','green','black','cyan','magenta','yellow'}, 1, n);
But this generates array of size 7*n, is there a way to delete those extra values/any other function that does this.

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回答（1 个）

Walter Roberson
Walter Roberson 2012-7-7
T = {'red','blue','green','black','cyan','magenta','yellow'};
T(1 + mod( (1:n)-1, length(T) ) )
You could repmat n/7 times but you would have to take precautions in case n was not exactly divisible by 7, and you would have to add on the fractional copy to fill out from the full cycle to n.

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