2
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105 views

Plotting equipotentials gone wrong

I'm plotting the equipotential of the potential function: $$\phi(x,y,z):=\frac{1+x^{2}+y^{2}+z^{2}}{[\left(1+x^{2}+y^{2}+z^{2}\right)^{2}-4z^{2}]^{1/2}}$$ Mathematica code: ...
0
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101 views

ListPlot and Union related question

This is the question that I got for my assignment: In a square room with 7 m-long sides, five people (black circles) have shot at random people. They all had two bullets and killed two people ...