plugin-Quiz3c

plugin-Quiz3c - ode45 to calculate[t,y Note In(c and(d...

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Math245 Homework Quiz #3c, Spring 2009 circle section: llam, 12pm, Ipm Name: _________ 1. (20pt) Find the general solution. /I I 1 y - y + -y = 0 4 . z ('il- ~ ~
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2.(20pt) Consider the initial-value problem with constant m. y" + 3y' - my = 0, y(O) = -2, y'(O) = 1 Answer the following questions. a. write this equation in terms of a system of first-order ODEs. b. write down the corresponding boundary conditions. c. write down the contents of a M-file function defining this ODE system. d. write down the contents of the second M-file up to invoking function
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Unformatted text preview: ode45 to calculate [t,y]. Note: In (c) and (d), write down exactly as it should appear in real M-files. t;) / ~ ~ (= ~2-:f = y~ = -3'(( +mj--=--3, (Jz + (h ::h b. ~{D) =- -Z/ ~ GIlO)=- - Z ~ 1(6) ::: 1 / 3 /!h(O) ' ~ i. C \ cft1 n ct1 6 1'l ldDT ~ J DIJ rf/ame ( ;t; c; / rv j t~t-=-( d (-z ) - J *1-iz) + m *" '(j (I) ] dl (M ~ 1 vhJ~(-2 (J JSpOh [D (06] Co-[+ 1 (j] = Dde~(etJ Lli17ame/ t~~ iz / [?y...
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plugin-Quiz3c - ode45 to calculate[t,y Note In(c and(d...

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