Interactively Solve Nonlinear PDEs
Find the function of minimal surface area over the unit disk that has sinusoidal values on the boundary.
The surface area of a function 
is minimized by the solution of the nonlinear partial differential equation 
.
Specify the equation.
Specify a sinusoidal boundary condition.
Solve the equation.
Visualize the solution.
Interactively solve the nonlinear PDE.
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More information about this example can be found in the documentation.
