Recent content by jdw_

mmmm

Ok some clarification is needed I have been lead to believe that one needs to know the roots in order to solve the DE and in order to get these roots you need maple/matlab. I don't have either of these programs and was wondering if someone could give me the roots so I COULD solve it. (meaning...

I haven't studied this section yet but my prof told me that we needed to use MATLAB or maple to get the roots, I am not sure if we need MATLAB for all of these DE's but i know for a fact that in order to solve the second DE I would need the roots before hand.

hey guys, i have a Diff. equations assignment that requires MATLAB or maple to give me the roots to some DE's in order to solve them but I don't have the programs and can't spend the money on them right now, especially just for 1 assignment. so if you guys can just give me the roots it will...

Hi. If anyone could help me start or solve these problems it'd be greatly appreciated. Homework Statement If a quasar varies on a time scale of 4 months, how does the maximum size of the emitting region compare with the Schwarzschild radius for a 10^4 Msun black hole? 2.Calculate...

Hi, I am wondering if somebody could explain how to answer these questions, it is from "Foundations of astrophysics" ch.15 q15.10 Suppose the mass density of a star as a function of radius is p(r)=p0[1-(r/R)^2] where R is the radius of the star a) Find the mass M of the star in terms...