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Unformatted text preview: orem (3.3.9 / 3.4.9). This theorem starts a list of equivalent statements about
square matrices, in terms of invertibility, solution of linear systems, shape of the row reduced echelon
form, linear independence. More to come in the next few weeks. Vocabulary Dr. Marni MISHNA, Department of Mathematics, SIMON FRASER UNIVERSITY
Version of: 11-Dec-09 •
• Elementary matrices, row equivalent matrices.
Subspace, closure by addition, closure by scalar multiplication.
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