Dense Matrix Multiplication

I could not find Dense Matrix Multiplication or addition function in flink ,please suggest how will perform multiplication and addition. ex -[1 ,2 ,4],[2,5,7] and i want to multiply by 5 in whole matrix so that every element multiply by 5. same in case of addition please suggest -- View t

SparseMatrix Multilpication

I could not find SparseMatrix Multilpication or addition function in flink ,please suggest how will perform multiplication and addition. ex -[1 ,2 ,4],[2,5,7] and i want to multiply by 5 in whole matrix so that every element multiply by 5. same in case of addition please suggest. -- View this