1 files changed, 6 insertions, 0 deletions

diff --git a/SD-VBS/common/toolbox/toolbox_basic/fact/zt.m b/SD-VBS/common/toolbox/toolbox_basic/fact/zt.m
new file mode 100755
index 0000000..3f88d21
--- /dev/null
+++ b/SD-VBS/common/toolbox/toolbox_basic/fact/zt.m
@@ -0,0 +1,6 @@
+% the z' operator described in the paper (returns a row vector)
+
+function v = zt(a, b)
+
+v = [   a(1)*b(1), a(1)*b(2)+a(2)*b(1), a(1)*b(3)+a(3)*b(1), ...
+        a(2)*b(2), a(2)*b(3)+a(3)*b(2), a(3)*b(3) ];