if is an matrix whose th entry is , and is an matrix whose th entry is , then is the matrix with entries
matrices can be multiplied by constants, let be a matrix and be a constant, the definition of such multiplication is:
if is an matrix whose th entry is , and is an matrix whose th entry is , then is the matrix with entries
matrices can be multiplied by constants, let be a matrix and be a constant, the definition of such multiplication is: