SortAlphabeticalI
SortAlphabeticalI
SortAlphabeticalI[ list ] returns the positions of the elements of a list, in alphabetical order of the variable names.
Usages
SortAlphabeticalI[ list ]
SortAlphabeticalI[ list ] returns the positions (starting at 1) of the elements of list in the order that SortAlphabetical would give. Use it to sort a second list in the same order.
| Example | in | out |
|---|---|---|
a is at position 2, b at 3, c at 1. |
SortAlphabeticalI[ {c, a, b} ] |
{2, 3, 1} |
| Expressions are sorted by their variable. | SortAlphabeticalI[ {y, 2x, x^2, a} ] |
{4, 2, 3, 1} |
Details
- The same rules and limitations apply as for
SortAlphabetical: use it for variables and expressions with one variable.
See also: SortAlphabetical, SortI, Elm ([[ ]])