Matrices Scalar Multiplication

1
Matrices - Scalar Multiplication

• When working with matrices, a real number that
  is not an entry of a matrix is called a scalar.
  We often want to be able to multiply a scalar
  times a matrix. To do this, simply multiply
  every entry of the matrix by the scalar.

• Then 5 A

• is given by ...

2
Matrices - Scalar Multiplication

• Then -3 B is given by ...

Slide 2
3
Matrices - Scalar Multiplication
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