task1

% License:
% This code is created by Mohamed Ezz El-Ragyal.
% The user is granted permission to use and modify this code for educational 
% and personal purposes. Commercial use is strictly prohibited without 
% explicit permission from the author. 
% Contact: Mohamed Ezz El-Ragyal for any inquiries or permissions.

% Initialization
V0 = 1; % Initial voltage
Z0 = 1; % Characteristic impedance
beta_l = linspace(0, 2*pi, 500); % Beta * l values (phase in radians)

% Current distribution
I_l = abs((2 * V0 / Z0) * sin(beta_l)); % Calculate current distribution
subplot(2,1,1); % Create first subplot for current
plot(beta_l, I_l, 'b', 'LineWidth', 1.5); % Plot current distribution
title('Current Distribution along O.C T.L.', 'FontWeight', 'bold');
ylabel('|I(\beta l)|', 'FontWeight', 'bold');
xticks([0 pi 2*pi]); % Set custom x-axis ticks
xticklabels({'0', '\pi', '2\pi'}); % Label x-axis with symbols
grid on; % Add grid for better visualization

% Voltage distribution
V_l = abs(2 * V0 * cos(beta_l)); % Calculate voltage distribution
subplot(2,1,2); % Create second subplot for voltage
plot(beta_l, V_l, 'r', 'LineWidth', 1.5); % Plot voltage distribution
title('Voltage Distribution along O.C T.L.', 'FontWeight', 'bold');
ylabel('|V(\beta l)|', 'FontWeight', 'bold');
xticks([0 pi 2*pi]); % Set custom x-axis ticks
xticklabels({'0', '\pi', '2\pi'}); % Label x-axis with symbols
grid on; % Add grid for better visualization