Learn MATLAB with Real Code Examples

count = 0;
isDark = false;

function updateUI()
    disp(['Counter: ', num2str(count)]);
    disp(['Theme: ', ternary(isDark, 'Dark', 'Light')]);
end

function increment()
    global count;
    count = count + 1;
    updateUI();
end

function decrement()
    global count;
    count = count - 1;
    updateUI();
end

function reset()
    global count;
    count = 0;
    updateUI();
end

function toggleTheme()
    global isDark;
    isDark = ~isDark;
    updateUI();
end

% Simulate actions
updateUI();
increment();
increment();
toggleTheme();
decrement();
reset();

Demonstrates a simple counter with theme toggling using MATLAB scripts and console output.

for i = 1:3
    num = randi([1, 100]);
    disp(['Random ', num2str(i), ': ', num2str(num)]);
end

Generates random numbers between 1 and 100 and displays them.

todos = {};

function addTask(task)
    global todos;
    todos{end+1} = task;
    disp(todos);
end

function removeTask(index)
    global todos;
    todos(index) = [];
    disp(todos);
end

% Simulate actions
addTask('Buy milk');
addTask('Write MATLAB code');
removeTask(1);

Adds and removes tasks from a todo list.

for i = 1:3
    roll = randi([1,6]);
    disp(['Roll ', num2str(i), ': ', num2str(roll)]);
end

Rolls a six-sided dice three times.

count = 5;
while count >= 0
    disp(['Countdown: ', num2str(count)]);
    count = count - 1;
end
disp('Done!');

Counts down from 5 to 0.

nums = [7, 10, 13];
for i = 1:length(nums)
    n = nums(i);
    if isprime(n)
        disp([num2str(n), ' is Prime']);
    else
        disp([num2str(n), ' is Not Prime']);
    end
end

Checks if numbers are prime.

cToF = @(c) c*9/5 + 32;
fToC = @(f) (f-32)*5/9;
disp(['25°C = ', num2str(cToF(25)), '°F']);
disp(['77°F = ', num2str(fToC(77)), '°C']);

Converts Celsius to Fahrenheit and Fahrenheit to Celsius.

cart = {};
prices = [];

def addItem(item, price)
    global cart prices;
    cart{end+1} = item;
    prices(end+1) = price;
    disp(cart);
    disp(['Total: ', num2str(sum(prices))]);
end

def removeItem(index)
    global cart prices;
    cart(index) = [];
    prices(index) = [];
    disp(cart);
    disp(['Total: ', num2str(sum(prices))]);
end

% Simulate actions
addItem('Apple', 2);
addItem('Banana', 3);
removeItem(1);

Adds and removes items in a shopping cart with total cost.

function greet(name)
    disp(['Hello, ', name, '! Welcome!']);
end

% Simulate actions
greet('Saurav');
greet('Alice');
greet('Bob');

Greets users by name.

time = 0;
while time < 5
    disp(['Stopwatch: ', num2str(time), ' seconds']);
    time = time + 1;
end
disp('Done!');

Simulates a stopwatch incrementing seconds.