Elias looked at the screen, then at his own hands, which now looked like a series of interconnected data points. "I see... that there are no variables."

Critical for applications in engineering and data science (e.g., PCA).

: Definitions of the rank of a matrix, reduction to normal form, and conditions for the consistency of linear equations. Vector Spaces : Explorations of vectors in Rncap R to the n-th power Cncap C to the n-th power Access and Solutions