`size'
------

size(VECT|MAT)
     :: `[VECT Ĺ]' ޤ `[MAT ιԿ,MAT ]'.

RETURN
     ꥹ
VECT
     ٥ȥ
MAT
     

   * VECT , MAT ΥꥹȤǽϤ.
   * LIST Υ `length()', ͭ˸ñ༰ο 
     `nmono()' Ѥ.

     [0] A = newvect(4);
     [ 0 0 0 0 ]
     [1] size(A);
     [4]
     [2] B = newmat(2,3,[[1,2,3],[4,5,6]]);
     [ 1 2 3 ]
     [ 4 5 6 ]
     [3] size(B);
     [2,3]


     `length', `nmono'

