plot i-v input curves parametrized by output voltage of a common emitter bjt in matlab

main.m
% Constants
Vcc = 12; % Collector supply voltage
Rc = 1e3; % Collector resistance
Vbe = 0.7; % Base-emitter voltage
Re = 500; % Emitter resistance
beta = 100; % Current gain factor

% Define the range of output voltages
Vout = -5:0.1:5;

% Calculate the input currents
Ib = (Vout - Vbe) / (Re + (beta + 1) * (Rc / beta));
Ic = beta * Ib;
Ie = Ib + Ic;

% Plot the i-v input curves
figure;
plot(Vout, Ib, 'r', Vout, Ic, 'g', Vout, Ie, 'b');
xlabel('Output Voltage (V)');
ylabel('Current (A)');
legend('Ib', 'Ic', 'Ie');
title('Common Emitter BJT i-v Input Curves');
grid on;
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