how to do this in matlab? sort the matrix raws first by the first column, then by the second column? input = [ 1 2 11 1 2 11 1 2 12 1 2 11 1 2 11 1 2 12 1 3 17 1 3 15 1 4 18 1 4 18 1 3 15 1 3 16 2 3 17 2 3 15 1 3 16 1 3 17 1 3 15 1 3 15 1 3 15 1 3 16 1 2 12 1 2 11 1 2 11 1 2 11 1 4 18 1 4 18 1 4 18 2 4 17 2 4 17 1 4 17 1 4 17 1 4 17 ] output = [1 2 11 1 2 11 1 2 12 1 2 11 1 2 11 1 2 12 1 2 12 1 2 11 1 2 11 1 2 11 1 3 17 1 3 15 1 3 15 1 3 16 1 3 16 1 3 17 1 3 15 1 3 15 1 3 15 1 3 16 1 4 18 1 4 18 1 4 18 1 4 18 1 4 18 1 4 17 1 4 17 1 4 17 2 3 17 2 3 15 2 4 17 2 4 17 ]

sort 3 column matrix by two key words

HONG CHENG

2017 12 月 5

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how to do this in matlab? sort the matrix raws first by the first column, then by the second column?

input = [
2  11
2  11
2  12
2  11
2  11
2  12
3  17
3  15
4  18
4  18
3  15
3  16
3  17
3  15
3  16
3  17
3  15
3  15
3  15
3  16
2  12
2  11
2  11
2  11
4  18
4  18
4  18
4  17
4  17
4  17
4  17
4  17
]
output = [1  2  11
2  11
2  12
2  11
2  11
2  12
2  12
2  11
2  11
2  11
3  17
3  15
3  15
3  16
3  16
3  17
3  15
3  15
3  15
3  16
4  18
4  18
4  18
4  18
4  18
4  17
4  17
4  17
3  17
3  15
4  17
4  17
]