cudf.DataFrame.dot

DataFrame.dot(other, reflect=False)

Get dot product of frame and other, (binary operator dot).

Among flexible wrappers (add, sub, mul, div, mod, pow, dot) to arithmetic operators: +, -, *, /, //, %, **, @.

Parameters:

otherSequence, Series, or DataFrame

Any multiple element data structure, or list-like object.

reflectbool, default False

If True, swap the order of the operands. See https://docs.python.org/3/reference/datamodel.html#object.__ror__ for more information on when this is necessary.

Returns:

scalar, Series, or DataFrame

The result of the operation.

Examples

>>> import cudf
>>> df = cudf.DataFrame([[1, 2, 3, 4],
...                      [5, 6, 7, 8]])
>>> df @ df.T
    0    1
0  30   70
1  70  174
>>> s = cudf.Series([1, 1, 1, 1])
>>> df @ s
0    10
1    26
dtype: int64
>>> [1, 2, 3, 4] @ s
10