| Group: | Mathematical Functions |
| Topic: | Exponential and Logarithmic Functions |
| See also: | exp expm1 log log10 |
| Function: | log1p | |
| Description: | log1p computes the natural logarithm of (1+x) accurately even for tiny x. |
| Usage: | z = log1p (x) | |
| Input: | ||
| x | array | |
| Output: | ||
| z | array | |
log1p (expm1((1:5)'))
Contents of log1p [1,] 0.69315 1.3133 2.1269 3.0486 4.0181
| Group: | Mathematical Functions |
| Topic: | Exponential and Logarithmic Functions |
| See also: | exp expm1 log log10 |