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Need help w- simple program

• To: mathgroup at smc.vnet.net
• Subject: [mg115138] Need help w- simple program
• From: "xscribe at gmail.com" <xscribe at gmail.com>
• Date: Sun, 2 Jan 2011 04:55:13 -0500 (EST)

i purchased a copy of home edition. As my first programming project,
I'd like to simulate a lambertian (e.g. Intensity is a function of cos
theta) led light source and plot the light intensity impinging on a
surface 12" away. I'd like to plot the surface as 1024x1024 points
with different colors for ranges of intensities.

I know this is pretty simple with Mathematica, unfortunately I have no
experience with Mathematica and don't know where to begin.

Help!

Thanks,

Per