bit more scaffolding for EV4 #607
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I like what this is doing, but am having trouble parsing the answers in (d). Do we want students to distinguish between the augmented and coefficient matrices of the homogeneous equation? Or between the two equations considered in (b) and (c)? As written, I think I’d have a hard time choosing between (c) and (d), but would try to convince teammates to choose (d), since I don’t actually need the augmented column (assuming it’s the homogeneous one throughout). Is that exactly what we’re trying to do? |
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Yeah I think that one needs workshopping a bit. If you include the zero vector in an augmented matrix, it's always a non-pivot column. The goal is to convince students they only need to worry about the coefficient matrix (as in EV2), and then you need to look for non-pivot columns. Would love a suggested improvement. |
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@StevenClontz I've added a bit just a bit to clarify which matrices are in question. If you're okay with these changes, I think it might be best just to push this today and then I can have my team test it out this week?
I'm happy enough with the structure that I think it'll help my students as written.
Co-authored-by: jkostiuk <[email protected]>
Co-authored-by: jkostiuk <[email protected]>
Co-authored-by: jkostiuk <[email protected]>
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Merging with @jkostiuk's presumed approval |
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