Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
Plot3D[(1/gamma(|alpha|)) y^(alpha-1) e^(-y), {y, 0, 5}, {α, -0, 5}]
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random