 Usage:  {r,s}=numint2m(aIh,b,N)  
 
 Input:

  aIh                    2 x 2-dim; A I^{1/2}, I Fisher-Information; sym. pos. semidef! 
                         
  b                      numeric; clipping height >0 
                         
  N                      numeric; number of gridpoints for Integration 
                         
 Output:

  r                      2 x 2-dim ; r=(E[ YY' u min(b/|aIhY|,u) ]) 
                         
  s                      2 x 2-dim; s=(E[ YY' min(b/|aIhY|,u)^2 ]) 
                         
--------------------------------------------------------------
(C) MD*TECH Method and Data Technologies, 17.8.2000
