- #1
danielL
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Homework Statement
I have a function that attempts to imitate the internal forces of the cord used for bungee jumping. I have been told to resolve it using Runge-Kutta 1st order numerical aproximation, therefore i have to reduce it to a system of equations. The preffered Runge-Kutta method is euler forward: y1 = y0 + k1 where k1 = h*f(y0). Plus I have to do this in a spreadsheet.
Homework Equations
M*q''(t)+K*q(t)=b(t)
Where M and K are 3x3 matrix and k and b are vectors with 3 components
The Attempt at a Solution
If I make q'(t) = v(t)
then v'(t) = M^(-1)*[b(t)-K*q(t)]
i can divide v'(t) = M^(-1)*b(t)+[-M^(-1)*K*q(t)]
and then obtain a vector plus matriz to solve it. My problem is that i don't know how to take the data from the matriz and apply it.
Thanks