Eigen matrix library and a test program

Dependencies:   Eigen mbed

Revision:
0:5971b11ad8ff
Child:
1:ad6e79769c8f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Eigen.lib	Thu Oct 13 04:07:45 2016 +0000
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+Eigen#13a5d365ba16