how make the plot continuous ?

조회 수: 42 (최근 30일)
tomer polsky
tomer polsky 2020년 1월 18일
편집: Adam Danz 2020년 1월 20일
So I want to make a plot of PWM ,how ever the plot commant make it wrong becouse it conects the dots in the wrong places . for exmaple , I want to make PWM of 10 Hz when the duty cycle is 60% . so this is the code :
clc;clear all;
vector_ones=ones(1,10);
for i=1:10
if(6<i)
vector_ones(i)=0;
end
end
figure(1);
plot(1:10,vector_ones,'red');
figure(2);
stem(1:10,vector_ones,'red');
as you can see in figure 2 the stem plot 0-6 I get ones and after 7 it all zeors :
and when I use regular plot insted of stem there is diaganole between 6 and 7,the question how can I make it like the stem plot but continuous ?
  댓글 수: 1
Adam Danz
Adam Danz 2020년 1월 18일
I'm having trouble visualizing what you're describing. What would the continuous step plot look like?

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채택된 답변

J. Alex Lee
J. Alex Lee 2020년 1월 18일
If I understand correctly, you want the "plot" command to produce a vertical "line" at x=6. To do this, you could duplicate the x-variable at value 6, and make it double-valued in the y variable:
x = [1:6,6:10]
y = ones(size(x))
y(7:end) = 0
figure(3)
plot(x,y,'o-')
Is this what you are looking for?
  댓글 수: 2
tomer polsky
tomer polsky 2020년 1월 18일
yes thank you very much
Adam Danz
Adam Danz 2020년 1월 18일
Note that this solution will only work with this exact input vector.

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추가 답변 (1개)

Adam Danz
Adam Danz 2020년 1월 18일
편집: Adam Danz 2020년 1월 20일
If a step function is what you're looking for, this single line below will calculate the x values for any vector of 1s and 0s.
x = cumsum([0,diff(vector_ones)]==0);
plot(x,vector_ones, 'r-')
ylim([-1 2])
grid on

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