Hey guys
I have four 1st order odes that I want to put into a function that will be later used with ode45. u1 = x1; u2 = dx1; u3 = x2; u4 = dx2
The equations go as following (These equations come from a two 2nd order odes):
du1 = dx1 = u2
du2 = d2x1 = -k1*(x1 - L1)/m1 + k2*(x2 - x1 - w1 - L2)/m1
du3 = dx2 = u4
du4 = d2x2 = -k2(x2 - x1 - w1 - L2)/m2
Where - L1 = L2 = 2; k1 = k2 = 5; m1 = m2 = 2; w1 = 5
The IC are - x1 = 2; x2 = L1 + w1 + L2 + 6
I have tried everything that I can think of but I have been getting the same error time after time and it is becoming very frustrating. Help would be greatly appreciated
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