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spectral_methods::calc_lambda_min_max Interface Reference

calculates smallest and largest absolute eigenvalue More...

Public Member Functions

real(sp) function, dimension(2) calc_lambda_min_max_sp (a, a_shifted, x, ext_x, exchange, tol_opt, maxiter_opt)
 
real(dp) function, dimension(2) calc_lambda_min_max_dp (a, a_shifted, x, ext_x, exchange, tol_opt, maxiter_opt)
 

Detailed Description

calculates smallest and largest absolute eigenvalue

variants in single and double precision

Parameters
[in]Alinear operator like matrix multiplication
[in]A_shiftshifted linear operator like matrix multiplication
[in]xstart vector
[in]ext_xextent of x
[in]exchangeboundary exchange function
[in]tol_optoptional stopping tolerance for relative residual
[in]maxiter_optoptional maximum number of iterations
Returns
array with (lambda_min, lambda_max)

The documentation for this interface was generated from the following file:

Das diesem Bericht zugrundeliegende Vorhaben wurde mit Mitteln des Bundesministeriums für Bildung, und Forschung unter dem Förderkennzeichen 01IH08004E gefördert. Die Verantwortung für den Inhalt dieser Veröffentlichung liegt beim Autor.