| Group: | Mathematical Functions |
| Subgroup: | Trigonometric Functions |
| See also: | acosh asin asinh atan atan2 atanh cos cosh sin sinh tan tanh |
| Function: | acos | |
| Description: | acos returns the arcus cosine of the elements of an array. |
| Usage: | z = acos (x) | |
| Input: | ||
| x | d1 x d2 x ... x dn array | |
| Output: | ||
| z | d1 x d2 x ... x dn array | |
x = #(0, 1/sqrt(2))~#(-1, -1/sqrt(2)) acos (x)
[1,] 1.5708 3.1416 [2,] 0.7854 2.3562
| Group: | Mathematical Functions |
| Subgroup: | Trigonometric Functions |
| See also: | acosh asin asinh atan atan2 atanh cos cosh sin sinh tan tanh |