Logarithm - ObjectVision/GeoDMS GitHub Wiki

Transcendental functions logarithm

syntax

  • log(a)

definition

log(a) is defined as ln(a) or elog a (natural logarithm).

log(a) results in null values for negative or zero values of data item a.

applies to

  • data item with float32 or float64 value type

example

attribute<float32> lnA (ADomain) := log(A);
A lnA
1 0
2 0.69
3.5 1.25
5 1.61
10 2.30

ADomain, nr of rows = 5

GeoDMS ©Object Vision BV. Source code distributed under GNU GPL-3. Documentation distributed under CC BY-SA 4.0.

⚠️ **GitHub.com Fallback** ⚠️