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This provides an interactive tool for investigating solutions of systems of differential equations. The solutions can be viewed as paths or trajectories. The curves shown ("treks") are the solutions (shown in the y' versus y phase plane) with initial conditions through the locators.
Contributed by: Rob Knapp and Theodore Gray (March 2011)
Additional contributions by: Jeff Bryant
Open content licensed under CC BY-NC-SA
Wolfram Demonstrations Project
Published: March 7 2011