completed assignment

Author: pradyumnameena

A1/README.md

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+# Assignment-1
+
+### Command for sequential code
+	./compile.sh s
+	./a.out matrix_size check file_path write
+
+### Command for parallel code
+	./compile.sh x
+	./a.out matrix_size number_of_threads check file_path write
+
+### Notations
+1. x = o for openmp and p for pthreads
+2. check = 1 if you want to print the L2,1 norm of PA-LU matrix
+3. write = 1 if you want the matrices written to file