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How to sort one field of a structure based on the values of another field?

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Rinu 2016-3-12

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评论： Rinu 2016-3-12

采纳的回答： Chad Greene

Let's say I have a structure 'struct' with two fields 'field1' and 'field2'. The length of the fields is unknown, but could be maximum 6. Each element of 'field1' must be a letter from the set {a,b,c,d,e,f} with no repetitions of a letter. Is there any way I can sort the values of 'field2' according to 'field1' in alphabetical order. For example, if 'field1' = [d b f] and 'field2' = [4 9 7], I would like to sort 'field2' such that 'field2' = [9 4 7].

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Chad Greene 2016-3-12

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编辑：Chad Greene 2016-3-12

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The sort function returns the order of indices of an array for sorting. So

[A_sorted,ind] = sort(A);

can be used to sort another array B by

B_sorted_by_A = B(ind);

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Rinu 2016-3-12

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MATLAB Language Fundamentals Matrices and Arrays Shifting and Sorting Matrices

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