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Seeing Rows Combine. When the columns of a matrix have obvious relationships, can you squint to see the row relationships too? April 24, 2024.

What Is Elimination Eliminating? We can eliminate variables to solve systems of equations, but do they really disappear? March 30, 2024.

Explaining Linear Independence. Do the vectors make a line, or a plane? One simple question with four different answers. January 24, 2024.

Filling Space with Points. Under which conditions can we fill 3D space by combining vectors? January 15, 2024.

Making Planes with Linear Combinations. Visual intuition for stretching and shrinking vectors, and adding them together in 3D space. January 13, 2024.

Is (Artificial) Intelligence Unbounded? Somebody asked a fascinating question the other day. January 09, 2024.