Finding the dimensions of a 3 by 3 matrix

Finding the dimension of a single-row matrix

Finding the dimensions of a 3 by 2 matrix

Finding the dimensions of a 2 by 3 matrix

Finding dimensions of a single-column matrix

Finding the dimensions of a 3 by 6 matrix

Finding dimensions of a 2 by 5 matrix

Finding matrix element a₁₁ using row and column notation

Finding element a23 in a matrix using row and column notation

Finding element a₄₆ in a matrix using row and column notation

Finding element a_4,9 in a large matrix

Dividing two matrix elements using row and column notation

Finding element A37 in a matrix and multiplying by 2

Squaring a matrix element found by row and column notation

Evaluating an expression using matrix element A₄₂

Finding element a(1,9) in a matrix and dividing by 3

Adding two matrix elements using row and column notation