Matrices Intro

What are the dimensions of this matrix?

• 2 x 3

• 3 x 2

• 6 x 1

• 1 x 6

Dimensions?

• a

• b

• c

• d

Find A+B

• 8     10
  8      1 

• 12     25
  7     1

• 10     30
  0     1

• can't add two together because the rows dont match columns

How many rows are in a 7 x 3 matrix?

• 7

• 3

• 21

• 10

What is a matrix with the same number of rows as columns?

• square

• monkey

• full set

• equivalent

Determine the type of the matrix

• Upper Triangular Matrix

• Identity Matrix

• Diagonal Matrix

• Lower Triangular Matrix

• Row Matrix

Determine the type of the matrix

• Upper Triangular Matrix

• Identity Matrix

• Diagonal Matrix

• Lower Triangular Matrix

• Row Matrix

What is a Matrix?

• An equation of over 5 numbers or symbols 

• A set of numbers in rows and columns

• A method of finding the n^th value of a series

• A complicated number system

Identify

• singular matrix

• partial fraction

• coeffecient matrix

• inverse matrix

What is a Matrix?

• An equation of over 5 numbers or symbols 

• A set of numbers in rows and columns

• A method of finding the n^th value of a series

• A complicated number system