# Partial Differential Equation Toolbox Functions

 adaptmesh Adaptive 2-D mesh generation and PDE solution applyBoundaryCondition Add boundary condition to PDEModel container assema Assemble area integral contributions assemb Assemble boundary condition contributions assempde Assemble finite element matrices and solve elliptic PDE
 createpde Create PDE model createPDEResults Create PDEResults object csgchk Check validity of Geometry Description matrix csgdel Delete borders between minimal regions
 decsg Decompose Constructive Solid Geometry into minimal regions dst Discrete sine transform
 evaluate Interpolate data to selected locations
 generateMesh Create triangular or tetrahedral mesh geometryFromEdges Create 2-D geometry geometryFromMesh Create 3-D geometry from a triangulated mesh
 hyperbolic Solve hyperbolic PDE problem
 idst Discrete sine transform importGeometry Import 3-D geometry initmesh Create initial 2-D mesh interpolateSolution Interpolate PDE solution to arbitrary points
 jigglemesh Jiggle internal points of triangular mesh
 meshToPet [p,e,t] representation of FEMesh data
 parabolic Solve parabolic PDE problem pdeadgsc Select triangles using relative tolerance criterion pdeadworst Select triangles relative to worst value pdearcl Interpolation between parametric representation and arc length pdeBoundaryConditions Boundary conditions pdecgrad Flux of PDE solution pdecirc Draw circle pdecont Shorthand command for contour plot pdeeig Solve eigenvalue PDE problem pdeellip Draw ellipse pdeent Indices of triangles neighboring given set of triangles pdeGeometryFromEdges Create geometry object pdegplot Plot PDE geometry pdegrad Gradient of PDE solution pdeInterpolant Interpolant for nodal data to selected locations pdeintrp Interpolate from node data to triangle midpoint data pdejmps Error estimates for adaptation pdemdlcv Convert Partial Differential Equation Toolbox 1.0 model files to 1.0.2 format pdemesh Plot PDE mesh pdenonlin Solve nonlinear elliptic PDE problem pdeplot Plot solution in 2-D geometry pdeplot3D Plot 3-D solution or surface mesh pdepoly Draw polygon pdeprtni Interpolate from triangle midpoint data to node data pderect Draw rectangle PDEResults PDE results object pdesde Indices of points/edges/triangles in set of subdomains pdesdp Indices of points/edges/triangles in set of subdomains pdesdt Indices of points/edges/triangles in set of subdomains pdesmech Calculate structural mechanics tensor functions pdesurf Shorthand command for surface plot pdetool Open PDE app pdetrg Triangle geometry data pdetriq Triangle quality measure poiasma Boundary point matrix contributions for fast solvers of Poisson's equation poicalc Fast solver for Poisson's equation on rectangular grid poiindex Indices of points in canonical ordering for rectangular grid poimesh Make regular mesh on rectangular geometry poisolv Fast solution of Poisson's equation on rectangular grid
 refinemesh Refine triangular mesh
 sptarn Solve generalized sparse eigenvalue problem
 tri2grid Interpolate from PDE triangular mesh to rectangular grid
 wbound Write boundary condition specification file wgeom Write geometry specification function