Recent content by dthomas

I am currently trying to program an FPGA to mimic a coincidence counting module. What I basically need it to do is a modified AND operation. The inputs are square, 5V pulses from photon counters. Because I am working with two photon counters (that are the same model) but due to imperfections in...

ContourPlot[ Log[x^2/(1 - x)] == 1/(k*t)*energy - 3/2 Log[-(1/(k*t))*energy] + 3/2 Log[(-2*Pi*m*energy)/(n^(2/3)*h^2)], {t, 1, 4000}, {x, 0, 1}] I checked my constants and starting equation again this gave me the correct shape curve. I don't know why the code didn't work the first...

Thanks so much for the reply it helped quite a bit. I had to tweak it a bit, so here is what I used as my code. (I am in Mathematica 7 by the way) Clear["Global`*"] << PhysicalConstants`; k = 8.617343*10^-5;(* Boltzmann constant measured in eV/K *) h = 4.13566733*10^-15; (* Planck's constant...

I am trying to calculate the ionization curve for hydrogen at a given matter density (in this case it happens to be 55 atoms/cm^3) From the Saha equation and putting the concentrations in terms of reaction coordinates. It looks something like this: Log[x[t]^2/(1 - x[t])] = 1/(k t)E - 3/2...