WJMatlab-CRC Error-Detecting Code

CRC.m

clc;
clear all;
close all;

pattern = [1 0 0 0 0 0 1 1 1];
dataWord = [0 1 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0 0 0 0 1 0 1 0 0 0 1 0 1 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0];

dataDisplay = num2str(dataWord);
dataDisplay(isspace(dataDisplay)) = '';

patternDisplay = num2str(pattern);
patternDisplay(isspace(patternDisplay)) = '';

figure('Menu','none','Position', [250, 400, 1000, 300]);
text(0.39, 1, 'DATA WORD', 'Rotation',0, 'FontSize',20, 'Color','red');
text(0, 0.85, dataDisplay, 'Rotation',0, 'FontSize',17, 'Color','black');
text(0.41, 0.65, 'PATTERN', 'Rotation',0, 'FontSize',20, 'Color','red');
text(0.42, 0.5, patternDisplay, 'Rotation',0, 'FontSize',18, 'Color','black');
axis off

[first last] = size(pattern);
extendingDataWord = [dataWord zeros(1, last-1)];
[quotient reminder] = deconv(extendingDataWord,pattern);
reminder = abs(reminder);

for i = 1 : length(reminder)
	first = reminder(i);
	if mod(first, 2) == 0
		reminder(i) = 0;
	else
		reminder(i) = 1;
	end
end

crcReminderArray = reminder(length(dataWord)+1 : end);
codeWord = bitor(extendingDataWord, reminder);

output = num2str(codeWord);
output(isspace(output)) = '';

text(0.39, 0.3, 'CODE WORD', 'Rotation',0, 'FontSize',20, 'Color','red');
text(-0.1, 0.15, output, 'Rotation',0, 'FontSize',18, 'Color','black');