Data commit

Task/Gray-code/MATLAB/gray-code.m

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+%% Gray Code Generator
+% this script generates gray codes of n bits
+% total 2^n -1 continuous gray codes will be generated.
+% this code follows a recursive approach. therefore,
+% it can be slow for large n
+
+
+
+clear all;
+clc;
+
+bits = input('Enter the number of bits: ');
+if (bits<1)
+    disp('Sorry, number of bits should be positive');
+elseif (mod(bits,1)~=0)
+    disp('Sorry, number of bits can only be positive integers');
+else
+    initial_container = [0;1];
+    if bits == 1
+        result = initial_container;
+    else
+        previous_container = initial_container;
+        for i=2:bits
+            new_gray_container = zeros(2^i,i);
+            new_gray_container(1:(2^i)/2,1) = 0;
+            new_gray_container(((2^i)/2)+1:end,1) = 1;
+
+            for j = 1:(2^i)/2
+                new_gray_container(j,2:end) = previous_container(j,:);
+            end
+
+            for j = ((2^i)/2)+1:2^i
+                new_gray_container(j,2:end) = previous_container((2^i)+1-j,:);
+            end
+
+            previous_container = new_gray_container;
+        end
+        result = previous_container;
+    end
+    fprintf('Gray code of %d bits',bits);
+    disp(' ');
+    disp(result);
+end