Computes the inner product \(\sum_i x_i y_i\).
Usage
sparse_crossprod(x, y, ...)
# S4 method for class 'sparse_numeric,sparse_numeric'
sparse_crossprod(x, y, ...)
Arguments
- x, y
sparse_numeric objects.
- ...
Ignored; included for method compatibility.
Value
A numeric scalar equal to the dot product.