Java, Matrix Operations, Portfolio Management, Code Optimization, Open Source.
Hadamard product, or Schur product) and the column sum operation, as illustrated below. Element-wise product of matrix A and B Column sum on the resulting product [a₁₁b₁₁ + a₂₁b₂₁ + a₃₁b₃₁, a₁₂b₁₂ + a₂₂b₂₂ + a₃₂b₃₂, a₁₃b₁₃ + a₂₃b₂₃ + a₃₃b₃₃] As you can see from the illustration, the two operations