Ma240 Resources
Slope field for $\frac{dy}{dx} = x - y$ (with 5 soln's)
matlab code
Slope field for $\frac{dy}{dx} = y^2 - 4$ (with 7 soln's)
Solution to vibrating string problem with parabolic initial shape
released from rest
Solution with "persistent" initial shape
Correct solution (orange) vs. guess (blue)
Dirichlet problem solution graph