Texas Instruments TINSPIRE Teacher Software Guidebook - Page 492

In this example, manipulating the intial term demonstrates that the point of equilibrium in the rabbit and fox populations over the cycle of 400 generations = (150, 50). Graphing differential equations You can study linear and non-linear differential equations and systems of ordinary differential equations (ODEs), including logistic models and Lotka-Volterra equations (predator-prey models). You can also plot slope and direction fields with interactive implementations of Euler and Runge-Kutta methods. À à Á  À Slope field Á A solution curve passing through the intitial condition  ODE editor: - Checkbox for designating this ODE as active or inactive - y1 ODE identifier - Expression k·y1 defines the relation - Fields (1,1) for specifying initial condition - Buttons for adding initial conditions and setting plot parameters à Slider to control coefficient k of the ODE 480 Graphs & Geometry