/usr/share/octave/packages/secs2d-0.0.8/Utilities/Uinvfermidirac.m is in octave-secs2d 0.0.8-5.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | function [fd]=Uinvfermidirac(eta,par);
% [fd]=Uinvfermidirac(eta,par);
% This file is part of
%
% SECS2D - A 2-D Drift--Diffusion Semiconductor Device Simulator
% -------------------------------------------------------------------
% Copyright (C) 2004-2006 Carlo de Falco
%
%
%
% SECS2D is free software; you can redistribute it and/or modify
% it under the terms of the GNU General Public License as published by
% the Free Software Foundation; either version 2 of the License, or
% (at your option) any later version.
%
% SECS2D is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
% GNU General Public License for more details.
%
% You should have received a copy of the GNU General Public License
% along with SECS2D; If not, see <http://www.gnu.org/licenses/>.
% reshape eta into a sorted vector
s = size(eta);
eta = eta(:);
[eta,order] = sort(eta);
limits = Ufermidirac([-18,18],par);
low = limits(1);
high = limits(2);
etalow = find(eta<=low);
etahigh = find(eta>=high);
etamid = find((eta<high)&(eta>low));
switch par
case 1/2
load fdhalf;
fd(etalow) =log(eta(etalow));
fd(etahigh)=(eta(etahigh)*3*sqrt(pi)/4).^(2/3);
if length(etamid)
fd(etamid) =log(linterp(a(:,2),exp(a(:,1)),eta(etamid)));
end
case -1/2
load fdmhalf;
fd(etalow) =log(eta(etalow));
fd(etahigh)=pi*(eta(etahigh).^2)/4;
if length(etamid)
fd(etamid) =log(linterp(a(:,2),exp(a(:,1)),eta(etamid)));
end
otherwise
error(['wrong parameter: par=' num2str(par)])
return
end
% give answer in original order and shape
fd(order) = fd;
fd = reshape(fd,s);
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