Updated README file

Author: hector1618

README

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+I wrote codes for the following methods used in Optimisation Techniques.
+
+1) Simplex Method
+2) Big-M Method
+3) 2 Phase Method
+
+I had an introductiory course in Optimisation Techniques(MA305) in my 3rd year.
+I wrote algorithms for most general cases but there are always some exceptions so let me know if you find one while using this.
+The script files can be used for demonstration or for actual problem solving.