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Algebra 1B: Row Echelon Form, Reduced Row Echelon Form, and Elementary Row Operations Tutorial

Get the relevant information for your Algebra 1B class. This tutorial covers row echelon form, reduced row echelon form, and elementary row operations. Submit your hand-in sheets by Friday at noon and receive them back in the following tutorial.

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Algebra 1B: Row Echelon Form, Reduced Row Echelon Form, and Elementary Row Operations Tutorial

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  1. MA10210: Algebra 1B http://people.bath.ac.uk/aik22/ma10210

  2. (Useful) information • Hand in sheets by noon on Friday • Marked sheets given back in the following tutorial • Tutorial format: • Quick comments on previous sheetI’m happy to go into more detail on individual questions, but you’ll need to ask • Overview of relevant material for next sheet • Warm-up (or other) examplesYou have a go, I’ll answer any questions

  3. Row Echelon Form

  4. Reduced Row Echelon Form

  5. Elementary Row Operations • Write clearly which row operations you’re performing. • Be very careful not to lose a row...

  6. Warm-up Questions • Q1, Q5 • Bonus Question:

  7. Warm-up Questions • Bonus question solutions:

  8. Worked solution to bonus question

  9. Worked solution to bonus question

  10. Overview of Sheet 1 • Q2: almost identical to warm-up Q1 • Q3: once you put the system into matrix form, it’s similar to Q1 & 2- a line is • Q4: , elementary row operations work as they did before • Q6: similar feel to Q5 – if your answer needs more than a few lines, there’s a neater way to do it • Q7: similar to example from Lecture 2

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