Hamilton-Jacobi solver on unstructured triangular grids: d=dist_circle(p,xc,yc,r) - File Exchange

Code covered by the BSD License

d=dist_circle(p,xc,yc,r) analytic formula for the oriented distance function of a circle
SolveEikonal Class for solving the Eikonal equation on a 2-D triangulation
SolveEikonalmex Class for solving the Eikonal equation on a 2-D triangulation
Compile_HJB_Solve.m
Test_HJB_Solve.m
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from Hamilton-Jacobi solver on unstructured triangular grids by Shawn Walker
Solves a class of static HJB equations on general triangular grids.

d=dist_circle(p,xc,yc,r)
function d=dist_circle(p,xc,yc,r) % analytic formula for the oriented distance function of a circle % Note: negative inside. d=sqrt((p(:,1)-xc).^2+(p(:,2)-yc).^2)-r;