Ma240 Resources


Slope field for $\frac{dy}{dx} = x - y$ (with 5 soln's)
matlab code

slope field image

Slope field for $\frac{dy}{dx} = y^2 - 4$ (with 7 soln's)

slope field image

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

Dirichlet problem solution graph