CPGU.LUBackSub Method

Solves the system Ax = b for a given b, using the LU decomposition of the matrix a The LU decomposition and the permutation vector are obtained from LUBackSub_PGU. Pagers and VVs must be type <define>GS_DOUBLE</define> except for the permutation vector, which should be INT

Syntax

C++

Copy

public static void LUBackSub(
	CGXNETCore gxNetShared,
	CPG pg_a,
	CVV vv_i,
	CVV vv_b,
	CVV vv_sol
)

Public Shared Sub LUBackSub ( 
	gxNetShared As CGXNETCore,
	pg_a As CPG,
	vv_i As CVV,
	vv_b As CVV,
	vv_sol As CVV
)

public:
static void LUBackSub(
	CGXNETCore^ gxNetShared, 
	CPG^ pg_a, 
	CVV^ vv_i, 
	CVV^ vv_b, 
	CVV^ vv_sol
)

static member LUBackSub : 
        gxNetShared : CGXNETCore * 
        pg_a : CPG * 
        vv_i : CVV * 
        vv_b : CVV * 
        vv_sol : CVV -> unit

Parameters

gxNetShared: Type: GeoEngine.Core.GXNetXCGXNETCore
A shared CGXNETCore
pg_a: Type: GeoEngine.Core.GXNetXCPG
LU decomposition of A
vv_i: Type: GeoEngine.Core.GXNetXCVV
Permutation vector (type INT)
vv_b: Type: GeoEngine.Core.GXNetXCVV
Right hand side vector B (input)
vv_sol: Type: GeoEngine.Core.GXNetXCVV
Solution vector (output)

Reference

CPGU Class

Geosoft.Desktop.GXNetX Namespace