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How to reassign matrix if it is greater than some value quickly

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John Wray
John Wray 2016-4-19
编辑： per isakson 2016-5-17
Considering a Matrix
a = [ 11 20 51 23 100 3
2 25 15 12 80 8
1 15 20 50 22 8
6 1 23 12 50 6 ]
Is there any function that could quickly reassign matrix to specific value if it is less than a value? such as b=10, if it is less than b, reassign it to 0, and having the answer like this:
ans = [ 11 20 51 23 100 0
0 25 15 12 80 0
0 15 20 50 22 0
0 0 23 12 50 0 ]

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采纳的回答

Roger Stafford
Roger Stafford 2016-4-19
M = a;
M(M<b) = 0;
M is your answer.

更多回答（1 个）

Jan
Jan 2016-4-19
Or:
b = a .* (a >= 10);

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