Initial commit of an example displaying the use of parfor in matlab.

Apparently in 2018a, it is not necessary to add parpool, but it will start up the parpool when parfor is used (initializing it with 12 threads)

parforExample.m

+% Testing number of prime numbers in a given range
+
+final=10^7;        %upper limit
+close all
+%clear all
+tic
+count=[];
+ratios=[];
+l=[];
+out=[];
+
+disp('Please wait.. Finding number of primes.... ')
+a=0;
+parfor i=1:final
+ 
+  c=isprime(i);
+   if c==1
+       i;
+       a=a+c;
+   end
+end
+a;
+ratio=a/final;
+l=[l,final];
+count=[count,a];
+ratios=[ratios,ratio];
+
+
+out=[l',count',ratios'];
+toc
\ No newline at end of file