Part 6: Finding the Nullspace: Solving Ax = 0 by Elimination

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A Vision of Linear Algebra
Instructor: Gilbert Strang
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This new video computes the nullspace of any matrix A. The equation Ax = 0 is reduced to row echelon form Rx = 0. Then all solution vectors are combinations of "special solutions.” We understand the pieces of R from the factorization A = CR.

See also Lecture 7 from 18.06 Linear Algebra for more on this topic at

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