diagainv_example.m File Reference

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Typedefs
using	complex_arithmetic = false

Functions
	if (complex_arithmetic) id
size(mat, 1), size(mat, 1)	speye ()
30	ICNTL ()
end diagonal values have been computed in	the (sparse) matrix id.SOL
end diagonal values have been computed in which has the same structure as id RHS Compare diagonal of inverse computed by Mumps and by matlab	disp (' ')
	disp ('Computing 2-norm of error on diagonal of inverse:')
	norm (diag(diag(diag(inv(mat))) -id.SOL), 2) % destroy mumps instance id.JOB

Variables
initialization of a matlab MUMPS structure	id = initmumps
end load	lhr01
	mat = Problem.A
end	JOB

Typedef Documentation

complex_arithmetic

using complex_arithmetic = false

Definition at line 4 of file diagainv_example.m.

Function Documentation

disp() [1/2]

end diagonal values have been computed in which has the same structure as id RHS Compare diagonal of inverse computed by Mumps and by matlab disp

(

' '

)

disp() [2/2]

disp

(

'Computing 2-norm of error on diagonal of inverse:'

)

ICNTL()

30 ICNTL ( )

virtual

Definition at line 51 of file dmumps.m.

if()

if

(

complex_arithmetic

)

norm()

norm	(	diag(diag(diag(inv(mat))) -id.SOL)	,
		2	)

speye()

size(mat, 1), size(mat, 1) speye ( )

virtual

the()

end diagonal values have been computed in the

(

sparse

)

Variable Documentation

id

else id = initmumps

Definition at line 7 of file diagainv_example.m.

JOB

end JOB

Initial value:

= 4 means analysis+factorization
id.JOB = 4

Definition at line 21 of file diagainv_example.m.

lhr01

end load lhr01

Definition at line 13 of file diagainv_example.m.

mat

if(complex_arithmetic) To test complex version mat = Problem.A

Definition at line 14 of file diagainv_example.m.