e^(-0.3237t)*cos(3.4836t)
MATLAB: What is the code to plot this
#matlab#plotprofuctoffunctionMATLAB
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%true
for i = 1: 6 subplot(6,2,i) y = cos(i*x); plot(x,y) title(sprintf('y = cos(%dx)', i));endTry not using so many elements - too many to display.
Try this:
clc;close all;clear;workspace;format long g;format compact;fontSize = 15;%variables
Am=5; %message signal amplitude
Ac=10; %message signal amplitudet= linspace(0, 0.04, 1500); %period
Fm=50; %message frequency
Fc=1000; %carrier frequency
%output graph preparation
m=Am*cos(2*pi*Fm*t); % Signal equation
c=Ac*cos(2*pi*Fc*t); % Carrier equation
%plot m(t) and its amplitude
subplot(2,3,1);plot(t,m);xlabel('time', 'FontSize', fontSize);ylabel('m(t)', 'FontSize', fontSize);title('Signal Equation', 'FontSize', fontSize);% Put x axis in the right place.
ax = gcaax.XAxisLocation = 'origin'subplot(2,3,2);plot(t,abs(m));xlabel('time', 'FontSize', fontSize);ylabel('m(t)', 'FontSize', fontSize);title('Signal Amplitude', 'FontSize', fontSize);%plot c(t) and its amplitude
subplot(2,3,3);plot(t,c);xlabel('time', 'FontSize', fontSize);ylabel('c(t)', 'FontSize', fontSize);title('Carrier Equation', 'FontSize', fontSize);% Put x axis in the right place.ax = gcaax.XAxisLocation = 'origin'subplot(2,3,4);plot(t,abs(c));xlabel('time', 'FontSize', fontSize);ylabel('c(t)', 'FontSize', fontSize);title('Carrier Amplitude', 'FontSize', fontSize);% Put x axis in the right place.ax = gcaax.XAxisLocation = 'origin'%Sketch the magnitude of the multiplication of m(t) with c(t).
y=m.*c;subplot(2,3,5);plot(t,y);xlabel('time', 'FontSize', fontSize);ylabel('m(t) .* c(t)', 'FontSize', fontSize);title('Multiplication of m(t) with c(t)', 'FontSize', fontSize);% Put x axis in the right place.ax = gcaax.XAxisLocation = 'origin'subplot(2,3,6);plot(t,abs(y));xlabel('time', 'FontSize', fontSize);ylabel('y(t)', 'FontSize', fontSize);title('Amplitude of the multiplication', 'FontSize', fontSize);% Set up figure properties:
% Enlarge figure to full screen.
set(gcf, 'Units', 'Normalized', 'OuterPosition', [0 0 1 1]);% Get rid of tool bar and pulldown menus that are along top of figure.
set(gcf, 'Toolbar', 'none', 'Menu', 'none');% Give a name to the title bar.
set(gcf, 'Name', 'Demo by ImageAnalyst', 'NumberTitle', 'Off')
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