npmat.py 文件源码

def add_row_vec(self, vec, target = None):
        """
        Add vector vec to every row of the matrix. If a target is provided,
        it is used to store the result instead of self.
        """

        a, b = self.shape
        a_, b_ = vec.shape

        if not (a_ == 1 and b_ == b):
            raise IncompatibleDimensionsException


        if target is None:
            target = self

        target.resize(self.shape)

        target.numpy_array[:] = vec.numpy_array + self.numpy_array

        return target