polars.Expr.tanh

Expr.tanh() → Self

Compute the element-wise value for the hyperbolic tangent.

Returns:

Expr

Expression of data type Float64.

Examples

>>> df = pl.DataFrame({"a": [1.0]})
>>> df.select(pl.col("a").tanh())
shape: (1, 1)
┌──────────┐
│ a        │
│ ---      │
│ f64      │
╞══════════╡
│ 0.761594 │
└──────────┘