Intro Notes

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Unformatted text preview: , 6.45pm- 7.45pm, WESB 100 •  February 27th, 6.45pm- 7.45pm, WESB 100 •  March 27th, 6.45pm- 7.45pm, WESB 100 IMPORTANT: If you cannot make it to any of these you must inform me before 10am on Friday, Jan 10. Notes on Diﬀy Qs By Jiri Lebl. Download for free from hJp://www.jirka.org/diﬀyqs/ You can also order the whole book via the web site (cost is low). •  We will also use some other sources as we go along. •  •  •  •  Let’s test the clickers •  What is the capital of Finland? A.  Belgrade B.  Moscow C.  Helsinki D.  Gothenburg E. The leJer F •  What country produces the most peanuts? A.  B.  C.  D.  E.  India China USA Canada Nigeria This week’s topics: •  Examples and applica0ons •  What is a diﬀeren0al equa0on (DE) •  Classiﬁca0on of DEs: Linear vs nonlinear, 1st order, 2nd order, etc •  Slope ﬁelds •  Method of separa0on of variables •  Integra0ng factor method (linear 1st order) •  Reading: Lebl 0.2, 1.1- 1.4. •  Iden0fy ODEs and PDEs, classify as linear or nonlinear, 1st order, 2nd order, etc. •  Lebl sec0on 0.2 •  Which is NOT a diﬀeren0al equa0on? dy (a)6 + 3xy = 4 dx y0 (b)8 = y d2 f df (c)2 2 + 7 + 4f = sin t dt dt 2 (d)h(x) + 2x cos(h(x)) = x...
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