21260 Differential Equations

Assignments: Week #10
Reading: 
 Monday: Section 3.3.

Wednesday: Section 8.1.

Friday: Section 10.1.

Exercises:

 Wednesday: Online Assignment  Week #10.
 Friday:
 5.1.43
 7.3.70
 (a) Find the solution to the differential equation y''+y= Σ_{k=1}^{20}(1)^{k+1} δ(tkπ/2;) subject to the initial conditions y(0)=0 and y'(0)=0.
(b) sketch a plot of the solution for 0<t<10.
(c) Give an interpretation of the results in terms of the behavior of a massspring system being struck with a hammer.

Homework may be turned in before or after class on Friday, or may be placed in
your TA's mailbox before 3:20pm on Friday. The TA's mailboxes are in the Math
Department office, WEH 6113.
Please make sure your homework
includes the following:
 Your name (on every page if you ignore #4.),
 Your recitation section,
 The names of those students with whom you have collaborated,
 a staple.