new file mode 100644
--- /dev/null
+++ b/scripts/plot/__plt2mv__.m
@@ -0,0 +1,39 @@
+function plot_2_m_v (x, y)
+
+  if (nargin != 2)
+    error ("usage: plot_2_m_v (x, y)");
+  endif
+
+  [x_nr, x_nc] = size (x);
+  [y_nr, y_nc] = size (y);
+
+  if (y_nr == 1)
+    y = y';
+    tmp = y_nr;
+    y_nr = y_nc;
+    y_nc = tmp;
+  endif
+
+  if (x_nr == y_nr)
+    1;
+  elseif (x_nc == y_nr)
+    x = x';
+    tmp = x_nr;
+    x_nr = x_nc;
+    x_nc = tmp;
+  else
+    error ("plot_2_m_v: matrix dimensions must match");
+  endif
+
+  if (x_nc > 0)
+    tmp = [x, y];
+    command = sprintf ("gplot tmp(:,%d:%d:%d)", 1, x_nc, x_nc+1);
+    for i = 2:x_nc
+      command = sprintf ("%s, tmp(:,%d:%d:%d)", command, i, x_nc-i+1, x_nc+1);
+    endfor
+    eval (command);
+  else
+    error ("plot_2_m_v: arguments must be a matrices");
+  endif
+
+endfunction