Perform r := beta * r + alpha * mat * vec mat should be a 2D SparseTensor, vec should be a 1D DenseTensor, r should be a 2D DenseTensor.
Perform r := beta * r + alpha * mat * vec mat should be a 2D SparseTensor, vec should be a 1D DenseTensor, r should be a 2D DenseTensor.
numeric type
alpha
a 2D SparseTensor
a 1D DenseTensor
beta
result, 2D DenseTensor
tensor numeric