check_vols.sci

用来实现三维阻抗及光学断层成像重建的matlab程序

function [vols]=check_vols(%simp,vtx)
vols=[];
//function [vols]= check_vols(simp,vtx);
// 
//Auxiliary function that calculates the volume of 
//each tetrahedron in the mesh. 
// 
// 
//simp = The simplices 
//vtx  = The vertices
//vols = The array of volumes.
vols = [];
 
for i = 1:size(%simp,1)
   
  this_simp = %simp(i,:);
   
  t_vtx = vtx(%simp(i,:)',:);
   
  t_vm = [ones(4,1),t_vtx];
   
  t_vol = 1/6*det(t_vm);
   
  vols = [vols;t_vol];
   
end
 
 
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
// This is part of the EIDORS suite.
// Copyright (c) N. Polydorides 2001
// Copying permitted under terms of GNU GPL
// See enclosed file gpl.html for details.
// EIDORS 3D version 1.0
// MATLAB version 5.3 R11
//%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%