https://medium.com/@redhotchilipaper/using-trapezoids-to-visualize-matrix-multiplication-with-applications-to-data-science-e1cff40de098
Using Trapezoids to Visualize Matrix Multiplication, With Applications to Data Science
Max Watson
Jan 4, 2026
"It’s always annoying to keep track of matrix shapes.... We can represent a matrix as a trapezoid..."