Vectors and Linear Algebra : Basis, Column Space and Rank
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2 1 -1 3 4
1 0 -1 2 0
A= 1 1 0 1 4
4 2 -2 6 8
Find the basis for the row space, column space of A; What is the rank of A?
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Well, the matrix is:
The number of pivot columns in the rref(A) shows the number of linearly independent columns and if we pick the corresponding columns, they will form a basis for the column space of the given matrix. Therefore, we must find rref(A) using elementary row/column operations and we get:
Well, only the first and second columns are the ...
Solution Summary
Basis, column space and rank are found for a matrix.
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