Learn more about Partial Differential Equation Toolbox

Function Reference

Alphabetical List

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PDE Algorithms Solve various PDE problems User-Interface Algorithms Draw shapes and open the Partial Differential Equation Toolbox GUI Geometry Algorithms Specify geometry of PDE problems Plots Display PDE solutions Utility Algorithms Compute intermediate results User-Defined Algorithms Specify boundary conditions and geometry of PDE problems

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PDE Algorithms

adaptmesh	Adaptive mesh generation and PDE solution
assema	Assemble area integral contributions
assemb	Assemble boundary condition contributions
assempde	Assemble stiffness matrix and right side of PDE problem
hyperbolic	Solve hyperbolic PDE problem
parabolic	Solve parabolic PDE problem
pdeeig	Solve eigenvalue PDE problem
pdenonlin	Solve nonlinear PDE problem
poisolv	Fast solution of Poisson's equation on rectangular grid

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User-Interface Algorithms

pdecirc	Draw circle
pdeellip	Draw ellipse
pdemdlcv	Convert Partial Differential Equation Toolbox 1.0 model files to 1.0.2 format
pdepoly	Draw polygon
pderect	Draw rectangle
pdetool	Open GUI

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Geometry Algorithms

csgchk	Check validity of Geometry Description matrix
csgdel	Delete borders between minimal regions
decsg	Decompose Constructive Solid Geometry into minimal regions
initmesh	Create initial triangular mesh
jigglemesh	Jiggle internal points of triangular mesh
pdearcl	Interpolation between parametric representation and arc length
poimesh	Make regular mesh on rectangular geometry
refinemesh	Refine triangular mesh
wbound	Write boundary condition specification file
wgeom	Write geometry specification function

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Plots

pdecont	Shorthand command for contour plot
pdegplot	Plot PDE geometry
pdemesh	Plot PDE triangular mesh
pdeplot	Generic plot function
pdesurf	Shorthand command for surface plot

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Utility Algorithms

dst, idst	Discrete sine transform
pdeadgsc	Select triangles using relative tolerance criterion
pdeadworst	Select triangles relative to worst value
pdecgrad	Flux of PDE solution
pdeent	Indices of triangles neighboring given set of triangles
pdegrad	Gradient of PDE solution
pdeintrp	Interpolate from node data to triangle midpoint data
pdejmps	Error estimates for adaptation
pdeprtni	Interpolate from triangle midpoint data to node data
pdesdp, pdesde, pdesdt	Indices of points/edges/triangles in set of subdomains
pdesmech	Calculate structural mechanics tensor functions
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
sptarn	Solve generalized sparse eigenvalue problem
tri2grid	Interpolate from PDE triangular mesh to rectangular grid

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User-Defined Algorithms

pdebound	Boundary file
pdegeom	Geometry file

References

Functions — Alphabetical List

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