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how to solve a second order - vector deferential equation using ode45
Hi, I need to solve the following ode using ode45 (in order to find a sattelite's orbit): r''=-(mu/norm(r)^3)*r where m...
10 years 前 | 0 个回答 | 0
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how to simplify roots of 3rd degree polynomial
I have a polynomial of the form: s^3+7s^2+10s+K I want to find the three roots in the form r=a+bK+(c+dK)i I tried using K a...
10 years 前 | 2 个回答 | 0
