matrices A, B, and C.

Answer the following questions based on given matrices A, B, and C.

A = [ 1 2 3 4 5; 2 3 4 5 6; 3 4 5 6 7]

B = [0 1 2; 1 2 3; 0 4 5]

C = [-1 0 0; 1 1 0; 0 0 2]

• What is A(: , 1) ?

• What is A(1 , :) ?

• What is A(2:3 , 4:5) ?

• What is A .* B ?

• What is B . * C ?

• What is A * 5 ?

• What is B + C ?

[John D'Errico]

Stop posting homework and test questions. They were assigned to you, not to us.

[Stephen23]

https://web.archive.org/web/20201119182821/https://www.mathworks.com/matlabcentral/answers/653758-matrices-a-b-and-c

Answer 1

[Ameer Hamza]

Since this is a homework problem, I won't give answers. Following links will be helpful

https://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html

https://www.mathworks.com/help/matlab/matlab_prog/array-vs-matrix-operations.html