Algebra Matrix Operations
Definition Matrix-A rectangular arrangement of numbers in rows and columns Dimensions- number of rows then columns Entries- The numbers Equal Matrices- their dimensions are the same and the entries in corresponding positions are equal.
Example
Examples
Adding and Subtracting To add or subtract matrices, add or subtract corresponding entries. Note: you can only add or subtract matrices if they have the same dimensions
Examples
Definition Scalar- A real number Scalar Multiplication- multiplying a number by a real number To multiply a matrix by a scalar (scalar multiplication): multiply each entry in the matrix by the scalar
Examples
Solving Matrix Equations
Properties of Matrix Operations