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.
plot e^(-1*sqrt(x^2+y^2))*sin(2*sqrt(x^2+y^2)-w*t)+e^(-1*sqrt((x-c)^2+(y-d)^2))*sin(2*sqrt((x-c)^2+(y-d)^2)-w*t) where w=1,t=0,c=5,d=5, for x from -5 to 10, y from -5 to 10
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random