- #1
MathewsMD
- 433
- 7
For the derivative: dy/dt = ry ln(K/y)
I am trying to solve the second derivative. It seems like an easy solution, and I did:
d^2y/dt^2 = rln(K/y)y' + ry(y/K)
which simplifies to:
d^2y/dt^2 = (ry')[ln(K/y) + 1/Kln(K/y)
Unfortunately, the answer is d^2y/dt^2 (ry')[ln(K/y) - 1] and I don't quite see where I went wrong. Any help would be greatly appreciated!
I am trying to solve the second derivative. It seems like an easy solution, and I did:
d^2y/dt^2 = rln(K/y)y' + ry(y/K)
which simplifies to:
d^2y/dt^2 = (ry')[ln(K/y) + 1/Kln(K/y)
Unfortunately, the answer is d^2y/dt^2 (ry')[ln(K/y) - 1] and I don't quite see where I went wrong. Any help would be greatly appreciated!