Given an real polynomial P and two real numbers a,b with 0<=a<=b.
Calculate the volume of the solid of revolution made by rotating P around the x-axis in the intervall [a,b]! Return the volume in multiples of pi!
Please, fix the asserts. Test case 4 was complaining about an error of 1.136868377216160e-13, which is very close to my machine precision. Unless we want people to use a specific method or technique, we shouldn't request an exact value.
Given a 4x4 matrix, swap the two middle columns
subtract central cross
Ripping numbers apart!
center of mass
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