Compute the dot/inner product between two Expressions
Description
Compute the dot/inner product between two Expressions
Usage
<Expr>$dot(other)
Arguments
other
|
Expression to compute dot product with. |
Value
A polars expression
Examples
library("polars")
df <- pl$DataFrame(a = c(1, 3, 5), b = c(2, 4, 6))
df$select(pl$col("a")$dot(pl$col("b")))
#> shape: (1, 1)
#> ┌──────┐
#> │ a │
#> │ --- │
#> │ f64 │
#> ╞══════╡
#> │ 44.0 │
#> └──────┘