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Runge is an Interactive Solver for Systems of Differential Equations
Runge is an Interactive Solver for Systems of Ordinary Differential Equations. It solves initial value problem (aka Cauchy problem). Few advantages Runge provides:
It's fast. It utilizes BLAS and LAPACK libraries optimized for modern multi-core processors.
It's interactive. It allows you to start a solution by mouse click on a plane.
It's precise. It uses Runge Rule to adjust step length to satisfy required precision on each step.