Recent content by Treborman

Thanks for your help! Much appreciated! :smile:

I'm struggling to get my head around this concept. As far as I know, magnetic permeability is a measure of the ease at which a magnetic field passes through a body. So if I used a highly magnetic permeable material (steel, aluminium) for a container to shield against external magnetic fields...

I don't get it - do you mean integrate with respect to dr/dt? Would you be able to get me started - I was (hoping) to expand this investigation fairly quickly, not get stuck at the first hurdle :frown:

I've just discovered the Lagrange inversion theorem - would anybody be able to give me resources for this and limits if possible (preferably free, i.e. the internet).

Yes, this value does converge to the solution to the equation cos(x) = x, because the input, x, must be the same as the output, cos(x), if it converges.

Hi, I'm trying to solve Newton Universal law of Gravitation as a differential equation in one dimension with two objects. One mass is fixed at distance r = 0, whilst the other is some initial distance away. I'm using distance rather than displacement and also ignored the proportionality factor...