For me personally, a simple animated version of this image[0] looping through rows of A and columns of B seems easier to understand. [0] https://upload.wikimed

For me personally, a simple animated version of this image[0] looping through rows of A and columns of B seems easier to understand. [0] https://upload.wikimedia.org/wikipedia/commons/e/eb/Matrix_multiplication_diagram_2.svg https://upload.wikimedia.org/wikipedia/commons/e/eb/Matrix_m...