flip an array with the use of vectors
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I would like to flip specific cells in an array, not the whole array, with the use of vectors. For example a=[1 7 5 9 3 2 4 1] and i want to flip it from 5 to 2 and make it a=[1 7 2 3 9 5 4 1]. Any suggestions? Thank you in advance.
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Stephen23
2020-1-12
编辑:Stephen23
2020-1-12
"Any suggestions?"
Use indexing (which in MATLAB starts from 1):
>> a = [1,7,5,9,3,2,4,1]
a =
1 7 5 9 3 2 4 1
>> a(3:6) = a(6:-1:3)
a =
1 7 2 3 9 5 4 1
2 个评论
Stephen23
2020-1-16
>> a = [1,7,5,9,3,2,4,1]
a =
1 7 5 9 3 2 4 1
>> a([3,6]) = a([6,3])
a =
1 7 2 9 3 5 4 1
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