23/11/2017
*Today i am teaching class Matrix.
The definition is motivated by linear equations and linear transformations on vectors, which have numerous applications in applied mathematics, physics, and engineering.[1][2] In more detail, if A is an n × m matrix and B is an m × p matrix, their matrix product AB is an n × p matrix, in which the m entries across a row of A are multiplied with the m entries down a column of B and summed to produce an entry of AB.
When two linear transformations are represented by matrices, then the matrix product represents the composition of the two transformations.