Please remove the errors below

x = 0.01:0.01:2; default = input('Press 1 if you want default ECG signal, otherwise press 2: ');

if default == 1 li = 30/72; a_pwav = 0.25; d_pwav = 0.09; t_pwav = 0.16; a_qwav = 0.025; d_qwav = 0.066; t_qwav = 0.166; a_qrswav = 1.6; d_qrswav = 0.11; a_swav = 0.25; d_swav = 0.066; t_swav = 0.09; a_twav = 0.35; d_twav = 0.142; t_twav = 0.2; a_uwav = 0.035; d_uwav = 0.0476; t_uwav = 0.433; else rate = input('\nEnter the heart beat rate: '); li = 30 / rate;

    % P wave specifications
    fprintf('\nP wave specifications\n');
    d = input('Enter 1 for default specification, otherwise press 2: ');
    if d == 1
        a_pwav = 0.25;
        d_pwav = 0.09;
        t_pwav = 0.16;
    else
        a_pwav = input('Amplitude: ');
        d_pwav = input('Duration: ');
        t_pwav = input('P-R interval: ');
        d = 0;
    end

    % Q wave specifications
    fprintf('\nQ wave specifications\n');
    d = input('Enter 1 for default specification, otherwise press 2: ');
    if d == 1
        a_qwav = 0.025;
        d_qwav = 0.066;
        t_qwav = 0.166;
    else
        a_qwav = input('Amplitude: ');
        d_qwav = input('Duration: ');
        t_qwav = 0.166;
        d = 0;
    end

    % QRS wave specifications
    fprintf('\nQRS wave specifications\n');
    d = input('Enter 1 for default specification, otherwise press 2: ');
    if d == 1
        a_qrswav = 1.6;
        d_qrswav = 0.11;
    else
        a_qrswav = input('Amplitude: ');
        d_qrswav = input('Duration: ');
        d = 0;
    end

    % S wave specifications
    fprintf('\nS wave specifications\n');
    d = input('Enter 1 for default specification, otherwise press 2: ');
    if d == 1
        a_swav = 0.25;
        d_swav = 0.066;
        t_swav = 0.09;
    else
        a_swav = input('Amplitude: ');
        d_swav = input('Duration: ');
        t_swav = 0.09;
        d = 0;
    end

    % T wave specifications
    fprintf('\nT wave specifications\n');
    d = input('Enter 1 for default specification, otherwise press 2: ');
    if d == 1
        a_twav = 0.35;
        d_twav = 0.142;
        t_twav

[Walter Roberson]

Is there a difference between this and https://www.mathworks.com/matlabcentral/answers/1974914-rewrite-the-complete-matlab-codes?s_tid=srchtitle ?