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row_echelon_form
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A matrix is in row echelon form, or REF, if it has all of the following three properties:
- The zero rows of the matrix (if any) are all at the bottom of the matrix.
- In every non-zero row of the matrix, the leading entry is $1$.
- If row $i$ and row $(i+1)$ are both non-zero, then the leading entry in row $(i+1)$ is to the right of the leading entry in row $i$. <html><br /></html>In other words, as you go down the rows, the leading entries must go to the right.
row_echelon_form.1422530856.txt.gz · Last modified: by rupert