- #1
- 90
- 2
x''+2x'+x=t+delta(t) x(0)=0 x'(0)=1
The textbook, "Elementary differential equations" by Edwards and Penney, gives the answer as -2+t+2exp(-t)+3t exp(-t)
It is clearly wrong, as in this case x'(0)=2, not x'(0)=1.
The textbook, "Elementary differential equations" by Edwards and Penney, gives the answer as -2+t+2exp(-t)+3t exp(-t)
It is clearly wrong, as in this case x'(0)=2, not x'(0)=1.