differential-equations code snippets in javascript

discretize d^2w/dx^2 = -x(20+ w)(x-3) in javascript

find the (approximate) value of y(0.5) for dy/dt = t2 + y2, y(0)=1 on the interval [0, 0.5] in javascript

numerically the first-order differential equation and plot its solution in javascript

solve a differential equation for a variable in javascript