Replacing elements in an array

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Vadim Tambovtsev
Vadim Tambovtsev 2016-9-26
编辑： michio 2016-9-26
Didn't find a relevant answer.
Suppose we have an array
R=[1 2 1 2 2 2]';
How to replace "2" with "4" ?
Thank you.

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michio
michio 2016-9-26
编辑：michio 2016-9-26
R=[1 2 1 2 2 2]';
R(R==2) = 4;
See Logical Indexing – Multiple Conditions

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