1617-257/HW-5: Difference between revisions
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'''General grading scheme''' |
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Two problems graded out of 15 points each. |
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'''Comments''' |
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'''Z. graded 8-1'''. |
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'''I. graded problem 8-5'''. Many employed the inverse function theorem (IFT) inappropriately here (injectivity is a requirement for the statement of the IFT - otherwise, the conclusion that the function in question is invertible doesn't make sense in the first place). Among other things, one could have either delved into a proof of the IFT or argued that the function is locally injective so that one can employ the IFT locally. |
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