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I am having an issue with something that should be extremely simple. Essentially, all I am trying to do is plot the blackbody curve at 2000K in terms of the wavelength. The formula I am using can be seen here.. (Don't feel like typing it)

http://hyperphysics.phy-astr.gsu.edu/hbase/mod6.html

In the "Planck Radiation Formula" section, second box. Every time I try to plot it, it ends up looking like a normal exponential decay function, except symmetrical about the y axis, NOT the blackbody curve. I got the TA in my grad lab to help and he is also stumped. After calculating the numbers, I got the formula to be..

[tex]\frac{5 \times 10^{-24}}{\lambda^5}\frac{1}{e^{\frac{0.144}{2000 \lambda}}-1}[/tex]

Can anyone shed light on this?

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# Something that should be extremely simple - Blackbody Curve

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