OK: I'm posting this because I'm lazy. I haven't even _tried_ to look
this up yet, or to attempt to *** an answer out of Maxima. If there
_is_ an answer, I'm sure it'll be a Bessel function, and those things
always hit me like headlights do a deer.
So, anyone feel like some math hand-holding? Here's the integral I'm
trying to find an answer for:
integral from -pi to pi, e^(-a + b * cos(theta)) d theta,
a > b > 0.
This seems to be the class of problem that I can answer by myself, but
only after I've beat my head against the wall for ages or held myself
out for public ridicule -- I'm in a hurry, so I'm going to embarrass
myself _first_, in hopes of finding the solution quicker.
Control system and signal processing consulting