Perform operations on matrices and use matrices in applications.
Vector and Matrix Quantities
Perform operations on matrices and use matrices in applications.
Vector and Matrix Quantities
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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 are doubled.
Add, subtract, and multiply matrices of appropriate dimensions.
Understand that, unlike multiplication of numbers, matrix multiplication for square matrices is not a commutative operation, but still satisfies the associative and distributive properties.
Understand that the zero and identity matrices play a role in matrix addition and multiplication similar to the role of 0 and 1 in the real numbers. The determinant of a square matrix is nonzero if and only if the matrix has a multiplicative inverse.
Perform operations on matrices and use matrices in applications.