Add lab01_group10_final

lab01_group10_final/readme.txt

+We have learned about functions like save, fwrite, fprint, fzero. We referred to the site gnu octave for the syntax of the various functions which we used in the program.
+it was a nice experience. 

lab01_group10_final/refraction.m

+function y=f(x)
+A=load("input_inlab_task_A1.txt");
+nx=A(1);
+ny=A(2);
+y=sin(x)-nx*cos(x)*sin(x/3)-ny*sin(x)*sin(x/3);
+endfunction
+result=fzero("f",0.00001);
+filename = "output_inlab_task_01.txt";
+fid = fopen (filename, "w");
+fprintf(fid,"%.12f\n",result);
+fclose (fid);