copied the templates

generate_mesh/rec_4.m

@@ -0,0 +1,33 @@
+% Square: 
+%   flatpak run org.octave.Octave <filename>
+%      or
+%   octave --no-window-system --no-gui  -qf <filename>
+
+clear all
+clc
+
+[ g ] = generate_rectangle_subdomains( 2, 2 )
+
+[p,e,t] = initmesh(g,'hmax',0.1); 
+pdemesh(p,e,t) 
+axis equal
+box off
+
+%% GH
+% output from <https://de.mathworks.com/help/pde/ug/initmesh.html initmesh>
+%
+% coordinates  p: [2][nnode]
+% connectivity t: [4][nelem]   with  t(4,:) are the subdomain numbers
+% edges        e: [7][nedges]  boundary edges
+%                              e([1,2],:) - start/end vertex of edge
+%                              e([3,4],:) - start/end values
+%                              e(5,:)     - segment number
+%                              e([6,7],:) - left/right subdomain
+
+ascii_write_mesh( p, t, e, mfilename);
+
+ascii_write_subdomains( p, t, e, mfilename);
+
+
+% tmp=t(1:3,:)
+