MATRIX ALGEBRA PRIMER

Intro to Matrix Algebra [PDF]

 

Adding Two Matrices [YOUTUBE 4:53]

Subtracting Two Matrices [YOUTUBE 5:34]

Multiplying Two Matrices [YOUTUBE 10:06]

 

Determinant of a matrix using minors Theory [YOUTUBE 4:41]

Determinant of a matrix using cofactors Theory [YOUTUBE 3:26]

Determinant of a matrix using minors Example [YOUTUBE 6:26]

Determinant of a matrix using cofactors Example [YOUTUBE 5:31] 

 

A real life problem of setting up simultaneous linear equations [YOUTUBE 5:23]

Writing simultaneous linear equations in matrix form  [YOUTUBE 5:25]

 

Can we divide two matrices?  [YOUTUBE 5:39] 
Some statements about the inverse of matrices  [YOUTUBE 2:53]

Inverse of matrices Example  [YOUTUBE 3:40]

Using concept of inverse to solve a set of equations  [YOUTUBE 2:27] 

Finding the inverse of a matrix Theory [YOUTUBE 4:32]

Finding the inverse of a matrix Example  [YOUTUBE 7:03] 
Finding the inverse of a matrix by adjoints Theory  [YOUTUBE 2:15]

Finding the inverse of a matrix by adjoints Example  [YOUTUBE 7:19]

 

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