Global Index (all files) (short | long) | Local Index (files in subdir) (short | long)
[z] = anorm(alpha)
function [z] = anorm(alpha) approximate area under the standardized normal density function taken from coarse resolutiontable by cubic interpolation input : alpha - single sided area in % output : z - integration border to reach alpha version 0.1.0 last change 14.05.1998
This function is called by | |
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function [z] = anorm(alpha) % G.Krahmann, LODYC Paris, May 1998 % hand typed !!! table tab = [0.0 , 0.5000;... 0.1 , 0.4602;... 0.2 , 0.4207;... 0.3 , 0.3821;... 0.4 , 0.3446;... 0.5 , 0.3085;... 0.6 , 0.2743;... 0.7 , 0.2420;... 0.8 , 0.2119;... 0.9 , 0.1841;... 1.0 , 0.1587;... 1.1 , 0.1357;... 1.2 , 0.1151;... 1.3 , 0.0968;... 1.4 , 0.0808;... 1.5 , 0.0668;... 1.6 , 0.0548;... 1.7 , 0.0446;... 1.8 , 0.0359;... 1.9 , 0.0287;... 2.0 , 0.0228;... 2.1 , 0.0179;... 2.2 , 0.0139;... 2.3 , 0.0107;... 2.4 , 0.00820;... 2.5 , 0.00621;... 2.6 , 0.00466;... 2.7 , 0.00347;... 2.8 , 0.00256;... 2.9 , 0.00187]; % exit, if out of borders if ~isempty(find(alpha<0.187)) warning('Alpha too small.') end % interpolate table z = interp1(tab(:,2),tab(:,1),alpha/100,'cubic');