NIELIT 2021 Dec Scientist B - Section B: 71

Question

The number of operations in matrix multiplication $\text{M1, M2, M3, M4}$ and $\text{M5}$ of sizes $5\times 10, 10\times 100, 100\times 2, 2\times 20$ and $20\times 50$ respectively will be:

• A. $5830$

• B. $4600$

• C. $6900$

• D. $12890$

Answer 1

Answer should be B : (M1 * ( M2 * M3)) * (M4 * M5)

4600 scalar multiplications