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  1. first- and second-order equations, followed by Chapter 5 (the Laplace transform), Chapter 6 (systems), Chapter 8 (nonlinear equations), and part of Chapter 9 (partial differential equations).

  2. What are the steps of solving an ODE by the Laplace transform? In what cases of solving ODEs is the present method preferable to that in Chap. 2? What property of the Laplace transform is crucial in solving ODEs? = Explain.

  3. Table of Laplace Transforms and Inverse Transforms f(t) = L¡1fF(s)g(t) F(s) = Lff(t)g(s) tneat n! (s¡a)n+1; s > a eat sinbt b (s¡a)2 +b2; s > a eat cosbt s¡a (s¡a)2 +b2; s > a eatf(t) F(s) fl fl s!s¡a u(t¡a)f(t) e¡asLff(t+a)g(s), alternatively, u(t¡a) f(t) fl fl t!t¡a ⁄ e¡asF(s) –(t¡a)f(t) f(a)e¡as f(n)(t) snF(s)¡sn¡1f(0)¡¢¢¢¡ f(n¡1)(0) tnf(t) (¡1)n dn dsn

  4. Laplace transforms table Function Laplace transform eat 1 s−a tn n! sn+1 sin(at) a s 2+a cos(at) s s2 +a2

  5. e asL(f(t + a)) (s) G(s)F (s)s(t-translation)(integration. but not included in this course.f(t)1. ( ) d. s. (The function table is on the next page.) 1. Laplace Table, 18.031.

  6. The Laplace transform. we'll be interested in signals de ̄ned for t ̧ 0 L(f = ) the Laplace transform of a signal (function) de ̄ned by Z f is the function F. (s) = f (t)e¡st dt. 0. for those s 2 C for which the integral makes sense. 2 F is a complex-valued function of complex numbers.

  7. 5.3 The Inverse Laplace Transform 313 TABLE 5.3.1 Elementary Laplace transforms. f(t) = −1{F(s)} F(s) = {f(t)} Notes 1. 1 1 s, s > 0 Sec. 5.1; Ex. 4 2. eat 1 s−a, s > a Sec. 5.1; Ex. 5 3. tn, n = positive integer n! sn+1, s > 0 Sec. 5.2; Cor. 5.2.5 4. tp, p > −1 Γ(p+1)sp+1, s > 0Sec.5.1;Prob.37 5. sinat a s2 +a2, s > 0Sec.5.1;Ex.7 6. cosat s s2 +a2, s > 0Sec.5.1;Prob.22 7. sinhat

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