Number and Quantity: Vector and Matrix Quantities Archive

(+) Understand that, unlike multiplication of numbers, matrix multiplication for square matrices is not a commutative operation, but still…

(+) Compute the magnitude of a scalar multiple cv using ||cv|| = |c|v. Compute the direction of cv knowing…

(+) Understand that the zero and identity matrices play a role in matrix addition and multiplication similar to the…

(+) Multiply a vector (regarded as a matrix with one column) by a matrix of suitable dimensions to produce…

(+) Work with 2 X 2 matrices as transformations of the plane, and interpret the absolute value of the…

(+) Use matrices to represent and manipulate data, e.g., to represent payoffs or incidence relationships in a network.

(+) Multiply matrices by scalars to produce new matrices, e.g., as when all of the payoffs in a game…

(+) Add, subtract, and multiply matrices of appropriate dimensions.