Implement the function matmul specified by Algorithm 9.3. Run the following code, and explain the results by listing all the factors you can think of that determine the speed of matrix...

Implement the function matmul specified by Algorithm 9.3.

Run the following code, and explain the results by listing all the factors you can think of that determine the speed of matrix multiplication.

When a problem requires you to write a MATLAB function, always thoroughly test it with a variety of data. Some problems prescribe test data.