select |
(function for equations) |
Usage: |
select0 (index, x0, x1, ... xn) select1 (index, x1, x2, ... xn) |
Definition: |
xi s.t. i == index |
Required: |
index is integer, xi are all the same type select0: 0 ⋜ index < n select1: 1 < index ⋜ n |
Returns the value of the x argument at position index: x[index]
The first x argument is at index 0 if select0 is used, and at index 1 if select1 is used.
Must be passed at least 2 arguments (index and an x).
For the inverse function, see nearest.
Examples: |
select0 (1, -6.6, 3.4, 1.26, 3.4) returns 3.4 |
|
select1 (1, -6.6, 3.4, 1.26) returns –6.6 |