4.60 log - Logarithm

Format: log( $num$ ,base)

Compute logarithm of $num$ with specified base.

Example

Example 1: Basic Example

$ more dat1.csv
id,val,base
1,100,10
2,256,2
3,,
4,2,0
5,0,2
6,1,10
7,-8,2
$ mcal c='log(${val},${base})' a=rsl i=dat1.csv o=rsl1.csv
#END# kgcal a=rsl c=log(${val},${base}) i=dat1.csv o=rsl1.csv
$ more rsl1.csv
id,val,base,rsl
1,100,10,2
2,256,2,8
3,,,
4,2,0,-0
5,0,2,
6,1,10,0
7,-8,2,