Hello,
I was set the problem to differentiate the following streamfunction in order to find its x and y velocities:
psi=psinought*tanh(y/d)+mu*exp(-((x-L)^2+y^2)/2*sigma^2)*cos(k(y-vt)).
Being the lazy sort I am, I called in Maple.
dpsi/dx worked out perfectly (in that I got the same...
Hello,
I have been given an assignment to design an optical communication system. A 12 MHz LED (laser diode would be too easy) signal has to be sent 45km via optic fibre and read at the other end. Simple enough, you may think. however I have been told that I have to use multimodal cable...