This is documentation for an old release of SciPy (version 0.8.). Read this page in the documentation of the latest stable release (version 1.15.1).
This is a wrapper around general dense or sparse dot products. It is not necessary except as a common interface for supporting ndarray, scipy spmatrix, and PySparse arrays.
Returns the dot product of the (1 x m) sparse array u with the (m x 1) (dense) numpy array v.