Examples
========

Copy one mode out of 8 of the FREQ data structure into data structure FREQ2.


.. code-block:: text

    FREQ = CALC_MODES (MATR_RIGI = MATASSR,

    MATR_MASS = MATASSM

    OPTION = 'AJUSTE',

    CALC_FREQ = _F (FREQ =( 5.,10.,15.,15.,20.,20.,24.,27.,30.,32.,)),

    SOLVEUR_MODAL =_F (OPTION_INV = 'DIRECT'))


    FREQ2 = EXTR_RESU (RESULTAT = FREQ,

    ARCHIVAGE = _F (PAS_ARCH = 8)

    )