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Could anyone help me how to solve the following issue

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jaah navi
jaah navi 2019-5-29
编辑： Matt J 2019-5-29
i am having the matrixA= [3.1110 3.5665 3.5816 3.6923 4.2398 4.3484 4.3399 4.3447;
0.7787 0.5452 0.6372 0.5718 0.2473 0.2016 0.2089 0.2229;
0.1319 0.1788 0.2026 0.1927 0.1307 0.1767 0.1960 0.1825;
0.0859 0.0676 0.0646 0.1232 0.0858 0.1020 0.1103 0.1339]
in this matrix i want to select three maximum values from each column.
i tried with the command max(A) where it gives only one maximum value from each column.
Could anyone help me how to select more than one maximum value from each column.

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回答（2 个）

Matt J
Matt J 2019-5-29
maxk(A,3,1)
KALYAN ACHARJYA
KALYAN ACHARJYA 2019-5-29
a =
3.1110 3.5665 3.5816 3.6923 4.2398 4.3484 4.3399 4.3447
0.7787 0.5452 0.6372 0.5718 0.2473 0.2016 0.2089 0.2229
0.1319 0.1788 0.2026 0.1927 0.1307 0.1767 0.1960 0.1825
0.0859 0.0676 0.0646 0.1232 0.0858 0.1020 0.1103 0.1339
>> max(a')
ans =
4.3484 0.7787 0.2026 0.1339
  1 个评论
jaah navi
jaah navi 2019-5-29
i want to select two maximum values from each column
hence the result is
a=[3.1110 3.5665 3.5816 3.6923 4.2398 4.3484 4.3399 4.3447;
0.7787 0.5452 0.6372 0.5718 0.2473 0.2016 0.2089 0.2229]

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