Suppose an m by n matrix has r pivots. The number of special solutions is __ . The nullspace contains only x = 0 when r = __ . The column space is all of Rm when r = ____.
Suppose an m by n matrix has r pivots. The number of special solutions is __ . The nullspace contains only x = 0 when r = __ . The column space is all of Rm when r = ____.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Suppose an m by n matrix has r pivots. The number of special solutions is __ . The nullspace contains only x = 0 when r = __ . The column space is all of Rm when r = ____.
Expert Solution
Step 1
Null space: A set of vectors S is said to be the null space of an matrix A if for every we
have, .
A number r is said to be the rank of a matrix A if there are r pivot elements in the matrix A. We
know that is the vector space of n-tuples.
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