+++ /dev/null
-# a rope slides frictionlessly down the edge of a table
-# x'' = g/l * x
-
-coefficient(1): 1 -> x0' # initial speed
-coefficient(2): -1 -> -x0 # initial length of rope already over the edge of the table
-coefficient(3): g/l # gravity constant (g) devided by the length of the rope (l)
-
-iintegrate (x'') -> -x':
- IC: x0'
-iintegrate (-x') -> x:
- IC: -x0
-x * g/l -> g/l*x = x''
-
-# note: positive x-axis in the direction of the falling rope (so down)
-# for visualization, -x is displayed
-invert (x) -> -x # goes to output x