TechEnglish
Before the dot product - Linear Algebra 2
The handful of ideas Linear algebra 2 builds on: multiplying matching parts, what a right angle means for two arrows, Pythagoras, and why "similar" can mean "pointing the same way". About ten minutes.
Froga8 blocks
TechEnglish
Before you work with matrices - Linear Algebra 1
Starts from nothing: directions on a map, arrows you can add and stretch, and rules that move every point at once — which is all a matrix is. About ten minutes.
Froga4.0(1)
10 blocks