MATLAB Answers

lines through markers on legend

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Molepo Alfred
Molepo Alfred on 7 Aug 2020
Commented: Star Strider on 7 Aug 2020
I am having a plot but on the legend, there are no lines through the markes. How can I fix this?.
The structure of the code is as follows:
x=-10:0.1:10;
y=cos(x);
plot(x,y,'--o','MarkerSize',5,'DisplayName',' cos(x)')
hold on
y=sin(x)
plot(x,y,'--d','MarkerSize',5,'DisplayName',' sin(x)')
hold off
legend
grid on

  3 Comments

Molepo Alfred
Molepo Alfred on 7 Aug 2020
I changed the line width from 0.5 to 1 and it worked.
madhan ravi
madhan ravi on 7 Aug 2020
Well it’s clearly a bug!
Star Strider
Star Strider on 7 Aug 2020
This might have already been fixed.
Be certain you have installed all the Updates. On the top toolstrip, click Help then Check for Updates.

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Answers (2)

madhan ravi
madhan ravi on 7 Aug 2020
x = -10 : 0.1 : 10;
y = cos(x);
plot(x, y, '--o', 'MarkerSize', 5)
hold on
y = sin(x)
plot(x, y, '--d', 'MarkerSize', 5)
hold off
legend({'cos(x)', 'sin(x)'})
grid on

  3 Comments

madhan ravi
madhan ravi on 7 Aug 2020
Running your code in 2020 gave me the desired result. What version are you running on?
Molepo Alfred
Molepo Alfred on 7 Aug 2020
I have v 2019b.
As you can see on the figure, the lines are not going theough the markers on the legend. Its only the markers that are showing.
madhan ravi
madhan ravi on 7 Aug 2020
Seems like a bug to me. Try contacting MathWorks Support Team.

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Arthur Roué
Arthur Roué on 7 Aug 2020
You specified '--' option for your line style in 3rd argument of plot. If you want full lines, use '-' instead.
x=-10:0.1:10;
y=cos(x);
plot(x,y,'-o','MarkerSize',5,'DisplayName',' cos(x)')
hold on
y=sin(x)
plot(x,y,'-d','MarkerSize',5,'DisplayName',' sin(x)')
hold off
legend
grid on

  3 Comments

Molepo Alfred
Molepo Alfred on 7 Aug 2020
But on legend its only markers that are showing as shown. Is there a way to modify the figure?
Arthur Roué
Arthur Roué on 7 Aug 2020
I do have lines in the legend with previous code. Seems like your MATLAB is not working correctly...

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