SME
Linear Algebra · Problem type
Echelon and reduced echelon form
Use this for “Is [[1, 3, 4], [0, 1, 2]] in echelon form, reduced echelon form, or neither?”
Sort
Read the leading entry of each row, then look above and below it.
Tap a card, then tap its group.
Assumptions
•
Echelon form: any zero rows are at the bottom, and each leading entry is to the right of the one above, with zeros under it.
•
Reduced echelon form also needs each leading entry to be 1 and the only nonzero number in its column.
Topic check
See what you know: 5 questions on this topic
New questions each time. Pass to mark it complete.