OML Search

Linear Algebra: Matrix Determinants





A series of linear algebra lectures given in videos.

Linear Algebra: nxn Determinant
Defining the determinant for nxn matrices. An example of a 4x4 determinant.
Linear Algebra: Determinants along other rows/cols
Finding the determinant by going along other rows or columns



Linear Algebra: Rule of Sarrus of Determinants
A alternative "short cut" for calculating 3x3 determinants (Rule of Sarrus)
Linear Algebra: Determinant when row multiplied by scalar
The determinant when a row is multiplied by a scalar


Linear Algebra: (correction) scalar multiplication of row
Correction of last video showing that the determinant when one row is multiplied by a scalar is equal to the scalar times the determinant


Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

Fraction Concoction Game


OML Search


We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.