nestedSortStruct and nestedSortStruct2 do a nested sort of a one-dimensional struct array by two different methods. That is, the struct array is sorted by one field, then those entries of the array that have the same value for that field are sorted by a second field, etc.
If you want to sort by only one field, you can call nestedSortStruct and use a simple string instead of a cell array for fieldNamesCell, or you can simply call sortStruct.
The restrictions are that the fields must be single numbers or logicals, or chars (usually simple strings).
By default the struct array will be sorted in ascending order, but the functions include an option to sort in descending order.
nestedSortStruct will usually be faster than nestedSortStruct2. For nestedSortStruct, the speed of sorting is mostly independent of the order of the fieldnames in fieldNamesCell.
For nestedSortStruct2, the order of the fields in fieldNamesCell affects the speed. The sooner a field for which most entries in the struct array have unique values will be used to sort the struct array (i.e., the earlier its location in fieldNamesCell), the faster nestedSortStruct2 will be. If a field with mostly unique entries is the first field by which the struct array will be sorted, nestedSortStruct2 could be faster than nestedSortStruct.
nestedSortStruct could call sortStruct, and nestedSortStruct2 does call sortStruct2.
Jake Hughey (2021). nestedSortStruct (https://github.com/hugheylab/nestedSortStruct), GitHub. Retrieved .
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