log1p
Syntax
log1p(X)
Arguments
X is a scalar/vector/matrix.
Details
Return log(1+X).
Examples
$ log1p(0);
0
$ log1p([0, e-1, pow(e,2)-1, pow(e,3)-1, NULL]);
[0,1,2,3,]
$ log1p([0, e-1, pow(e,2)-1, pow(e,3)-1]$2:2);
#0 |
#1 |
|---|---|
0 |
2 |
1 |
3 |
Syntax
log1p(X)
Arguments
X is a scalar/vector/matrix.
Details
Return log(1+X).
Examples
$ log1p(0);
0
$ log1p([0, e-1, pow(e,2)-1, pow(e,3)-1, NULL]);
[0,1,2,3,]
$ log1p([0, e-1, pow(e,2)-1, pow(e,3)-1]$2:2);
#0 |
#1 |
|---|---|
0 |
2 |
1 |
3 |