The stem plot is not shown in the figure

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Badr Al-Sabri
Badr Al-Sabri 2022 年 11 月 16 日
コメント済み: Badr Al-Sabri 2022 年 11 月 16 日
The stem plot is not showing although the code should be correct,
Can you help me to figure what is the mistake I have made?
This is the script code:
%% CT signal
t = 0:0.01:2; % sample points from 0 to 2 in steps of 0.01
xt = sin(2*pi*t); % Evaluate sin(2 pi t)
subplot(2,1,1); % Two rows, one column, first plot
plot(t,xt,'b'); % Create plot with blue line
% Label axis
xlabel('t in sec');
ylabel('x(t)');
title('Plot of sin(2\pi t)'); % Title plot
%% DT signal
n = 0:1:40; % sample index from 0 to 40
xn = sin(0.1*pi*n); % Evaluate sin(0.1 pi n)
subplot(2,1,2); % Two rows, one column, second plot
Hs = stem(n,xn,'r','filled','marker size',4); % Stem-plot
% Label axis
xlabel('n');
ylabel('x(n)'); % Label axis
title('Stem Plot of sin(0.1\pi n)'); % Title plot

採用された回答

VBBV
VBBV 2022 年 11 月 16 日
t = 0:0.01:2; % sample points from 0 to 2 in steps of 0.01
xt = sin(2*pi*t); % Evaluate sin(2 pi t)
subplot(2,1,1); % Two rows, one column, first plot
plot(t,xt,'b'); % Create plot with blue line
% Label axis
xlabel('t in sec');
ylabel('x(t)');
title('Plot of sin(2\pi t)'); % Title plot
%% DT signal
n = 0:1:40; % sample index from 0 to 40
xn = sin(0.1*pi*n); % Evaluate sin(0.1 pi n)
subplot(2,1,2); % Two rows, one column, second plot
Hs = stem(n,xn,'r','filled','markersize',8); % delete the space betweeen words
% Label axis
xlabel('n');
ylabel('x(n)'); % Label axis
title('Stem Plot of sin(0.1\pi n)'); % Title plot
  2 件のコメント
Badr Al-Sabri
Badr Al-Sabri 2022 年 11 月 16 日
Thank you so much

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その他の回答 (1 件)

cr
cr 2022 年 11 月 16 日
I don't think there is markersize attribute in stem(). Either do
stem(n,xn)
or replace stem() with plot()

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