Yahtzee in Matlab?

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Brian Tiffman
Brian Tiffman 2016-1-21
编辑： John D'Errico 2016-1-21
Im trying to make the game yahtzee in matlab. Im setting up an array with 0's and 1's in it, and the 1's will be the dice that I want to reroll. I havent had to much trouble, but I cant figure out how to incorporate the reroll aspect into it. Im using an if statement to generate new random numbers if theres a 1 in the array. If theres a zero then there will be no need to reroll those dice in that position. Could anyone offer some help for the reroll process. Much appreciated.

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John D'Errico
John D'Errico 2016-1-21
编辑：John D'Errico 2016-1-21
Why do it in a complicated way, using loops and if statements?
d = randi(6,[1 5])
d =
4 1 6 6 5
rerolls = [1 2 5];
d(rerolls) = randi(6,[1 numel(rerolls)])
d =
5 5 6 6 3
Note that IF rerolls is an empty vector, then nothing should change. Does that work here?
rerolls = [];
d(rerolls) = randi(6,[1 numel(rerolls)])
d =
5 5 6 6 3
Yep.
You still need to decide which dice to re-roll, but that is your problem.

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