Update matlab example page

src/site/markdown/tutorials/matlab-example.md

-# Calling Rugged from Matlab
+# Calling Rugged from Matlab
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+
+Examples of direct and inverse location were provided by the Centre de Techniques Spatiales of the Algerian Space Agency. 
+
+If you have any question about the examples, please contact issam.boukerch@yahoo.fr, researcher at the CTS.
+
+* [Direct location](src/site/markdown/tutorials/matlab-examples/DirectLocation.m)
+* [Inverse location](src/site/markdown/tutorials/matlab-examples/InverseLocation.m)
+* [Function to parse a DIMAP file](src/site/markdown/tutorials/matlab-examples/dim2rugged.m)
+
+Thank you Issam for your contribution!
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