polars math log1p for dataframe

Compute the element-wise natural log of 1 + x for a column expression.

Signature

> polars math log1p {flags}

Input/output types:

inputoutput
polars_expressionpolars_expression
polars_selectorpolars_expression

Examples

Compute the element-wise natural log of 1 + x for a column

> [[a]; [0] [1] [2]] |
    polars into-df |
    polars select (polars col a | polars math log1p) |
    polars collect