Euler, Improved Euler, and Runge Kutta for Lorenz attractor, and Butterfly Effect
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In 1963 Edward Lorenz derived a simple set of equations describing convection in the atmosphere:
See attached for equations.
1. Please implement Euler integration scheme for (1) with integration step delta = 0.0001
2. Please implement improved Euler integration scheme for (1) with delta = 0.0001
3. Please implement Runge-Kutta integration scheme for (1)) with delta = 0.0001. Change x(0)=0 to x(0)=0.0001. Observe the butterfly effect.
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Solution Summary
In a Matlab script, we demonstrate the application of Euler, Improved Euler, and Runge Kutta numerical methods for Lorenz attractor, and the Butterfly Effect caused by a small change of initial conditions. The solution helps implement the Euler integration scheme and the Runge-Kutta integration scheme for various equations.
Solution Preview
The attached script shows an example of how the calculations for 1, 2, and 3 may be arranged.
IMPORTANT TO NOTE:
(1) To speed up the tests, I took delta_t and delta_x larger than that suggested in the text.
When you arrive to the final ...
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