Question

Which one of the following is the correct notation of a matrix with ‘m’ rows and ’n’ columns?

(a) m + n

(b) m – n

(c) m x n

(d) m/n

The question was asked in a national level competition.

The question is from Composite 2D Transformations in portion 2D Transformation and Viewing of Computer Graphics

Answer 1

Right choice is (c) m x n

The explanation is: m x n represents a matrix with ‘m’ number of rows and ‘n’ number of columns, while others are just arithmetic operations which can be done on 2 matrices.