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# Data Structures

ITNODE Array Definitions

 ITNODE for triangulation array entry definition ITNODE(1,I) first vertex number ITNODE(2,I) second vertex number ITNODE(3,I) third vertex number ITNODE(4,I) reserved for parallel processing ITNODE(5,I) element label ITNODE for skeleton array entry definition ITNODE(1,I) first vertex number ITNODE(2,I) first edge number ITNODE(3,I) congruent region number ITNODE(4,I) reserved for parallel processing ITNODE(5,I) region label

IBNDRY Array Definitions

 IBNDRY Array Definition array entry definition IBNDRY(1,I) first endpoint number IBNDRY(2,I) second endpoint number IBNDRY(3,I) curved edge switch IBNDRY(4,I) edge type IBNDRY(5,I) reserved for parallel processing IBNDRY(6,I) reserved for parallel processing IBNDRY(7,I) edge label Edge Type Definitions IBNDRY(3,I) edge type 0 Straight edge 1 Curved edge - circular arc −K Curved edge - parametric Curverd Edge Types IBNDRY(4,I) curved edge type 2 Dirichlet boundary 1 natural boundary 0 internal −K linked with edge K 3, 4, 5 reserved for parallel processing

SF Array Definitions

 SF for circular arc array entry definition SF(1,I) center coordinate xc SF(2,I) center coordinate yc SF for parametric curve array entry definition SF(1,I) parametric coordinate s1 SF(2,I) parametric coordinate s2

ITDOF Array Definitions

 array entry definition ITDOF(1,I) degree of freedom for vertex ν1 ITDOF(2,I) degree of freedom for vertex ν2 ITDOF(3,I) degree of freedom for vertex ν3 ITDOF(4,I) ± first degree of freedom for edge ϵ1 ITDOF(5,I) ± first degree of freedom for edge ϵ2 ITDOF(6,I) ± first degree of freedom for edge ϵ3 ITDOF(7,I) first interior degree of freedom for element tI ITDOF(8,I) polynomial degrees for element tI

GF Array Definitions

 problem 1 2 3 4 5 6 7 simple pde u (ud) (ω) obstacle problem u (ω) continuation problem u u0 · u · u0 ψr ψl (ω) parameter identification u v uλ (ω) distributed control u v λ (ω)

IPATH Array Definitions

 array entry root root/leaf internal leaf IPATH(1,I) neighbor neighbor neighbor neighbor IPATH(2,I) child -edge child -edge IPATH(3,I) vertex 1 vertex 1 IPATH(4,I) vertex 2 vertex 2 IPATH(5,I) ± edge ± edge IPATH(6,I) degree degree

Reset Window Commands

 Parameters associated with n command Name Alias Type Value vname n short maximum of 6 characters alias a short maximum of 2 characters vtype t short i (int), r (real), s (short), l (long), f (file) index i int pointer to IU, RU, SU Parameters associated with s command Name Alias Type Value vname n short variable name value v - depends on vname label l long label associated with value in radio buttons