18.02SC MattuckNotes: Second Derivative Test

18.02SC MattuckNotes: Second Derivative Test

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日期:2025-06-25
4 SECOND DERIVATIVE TEST Argument for the Second-derivative Test for a general function. This part won’t be rigorous, only suggestive, but it will give the right idea. We consider a general function w = f(x, y), and assume it has a critical point at (x0,y...看更多