Linear Algebra - Section 1.4 - The Matrix Equation Ax = b

A lecture for my online Linear Algebra Class on The Matrix Equation Ax = b

[Pika-psrf]

the only thing that can let me smile and laugh on Prof.Placito's video.

[Pika-psrf]

I like both friend vector decomposition and friend row-vector rule!

[dereksimons]

Easy arithmetic definitely makes me happy, especially on a Monday. Love the vids Professor!

[anthonymendez]

Thank you for the videos today!
Rocking the 16:9 aspect ratio!!

[zackf]

Cant you tell in the last problem it wouldn't span R4 since there are only 3 columns. It would be impossible to have 4 pivots since there can only be 1 pivot per column.

[walletfats]

14:50 does the "z" vector have to be on the right side?