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hi everyone, is there any numeric multivariable ode solver in sage? i want to solve the double pendulum problem, so i need to solve 4 first order differential equations which deppends on theta_1(t) amd thetha_2(t). I need something like a multivariable runge kutta algorithm

hi everyone, is there any numeric multivariable ode solver in sage? i want to solve the double pendulum problem, so i need to solve 4 first order differential equations which deppends on theta_1(t) amd thetha_2(t). I need something like a multivariable runge kutta algorithm