esys.escript.pdetools.NoPDE

Package esys :: Package escript :: Module pdetools :: Class NoPDE

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Class NoPDE

solves the following problem for u:

kronecker[i,j]*D[j]*u[j]=Y[i]

with constraint

u[j]=r[j] where q[j]>0

where D, Y, r and q are given functions of rank 1.

In the case of scalars this takes the form

D*u=Y

with constraint

u=r where q>0

where D, Y, r and q are given scalar functions.

The constraint is overwriting any other condition.

Method Summary
	`__init__(self, domain, D, Y, q, r)` initialize the problem
`Data` object in the `FunctionSpace` `Solution` or `ReducedSolution`.	`getSolution(self)` returns the solution
	`setReducedOff(self)` sets the `FunctionSpace` of the solution to `Solution`
	`setReducedOn(self)` sets the `FunctionSpace` of the solution to `ReducedSolution`
	`setValue(self, D, Y, q, r)` assigns values to the parameters.

Method Details

initialize the problem

Parameters:: domain - domain of the PDE.
(type=Domain); D - coefficient of the solution.
(type=float, int, NumArray, Data); Y - right hand side
(type=float, int, NumArray, Data); q - location of constraints
(type=float, int, NumArray, Data); r - value of solution at locations of constraints
(type=float, int, NumArray, Data)

returns the solution

Returns:: the solution of the problem
(type=Data object in the FunctionSpace Solution or ReducedSolution.)

sets the FunctionSpace of the solution to Solution

sets the FunctionSpace of the solution to ReducedSolution

assigns values to the parameters.

Parameters:: D - coefficient of the solution.
(type=float, int, NumArray, Data); Y - right hand side
(type=float, int, NumArray, Data); q - location of constraints
(type=float, int, NumArray, Data); r - value of solution at locations of constraints
(type=float, int, NumArray, Data)

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