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how to make the edge of the graph bold ?

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Ibrahim AlZoubi 2020-6-21

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评论： ibrahim alzoubi 2020-6-22

采纳的回答： Star Strider

how to make the edge of the graph bold as shown below:

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Reference to a closely-related thread: How to change border's color for a graph?

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采纳的回答

Star Strider 2020-6-21

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Unfortunately, nothing is shown.

Guessing what you may want, try this:

x = 1:10;
y = rand(size(x));
figure
plot(x, y)
grid
title('Default Box Linewidth (0.5)')
figure
plot(x, y)
grid
set(gca, 'LineWidth', 1.5)
title('Redefined Box Linewidth (1.5)')

producing (only showing the second plot here):

See the documentation on Axis Properties, and specifically Box Styling for details.

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how to change color of the border ?

ex: i wanna change the y axis in the right to blue.

Star Strider 2020-6-21

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To only change one (the right) y-axis box line:

figure
plot(x, y)
hold on
plot([1 1]*max(xlim), ylim, '-b', 'LineWidth',1.5)
hold off
grid
set(gca, 'LineWidth', 1.5)
title('Redefined Box Linewidth (1.5)')

The right y-axis box line is defined as the maximum value of xlim and both values of ylim. The multiplication by [1 1] is necessary so that the x and y arguments to plot have the same number of elements.

Ibrahim AlZoubi 2020-6-21

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how can i apply this on my code?

what should substitute for max,xlim and ylim?

Ibrahim AlZoubi 2020-6-21

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see this:

https://www.mathworks.com/matlabcentral/answers/552385-how-to-change-border-s-color-for-a-graph

Star Strider 2020-6-21

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It is not necessary to substitute any of them. You can run that code snippet exactly as I wrote it. All you need to do is to apply it to the plot that you want to use it with. All those are core MATLAB functions.

Ibrahim AlZoubi 2020-6-21

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it's not working.

x=1:1:24
yyaxis right
Distilledwater =[data];
plot(x,Distilledwater,'k','LineWidth',2.5)

this is the part that i want to change its color so plz guid me and tell me axactlly what to do.

Star Strider 2020-6-21

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This works:

x=1:1:24;
yyaxis right
data = rand(size(x));                                   % Create Missing Variable
Distilledwater =[data];
plot(x,Distilledwater,'k','LineWidth',2.5)
Ax = gca;
Ax.YColor = 'b';                                        % Change Color
Ax.YAxis(2).LineWidth = 1.5;                            % Change LineWidth

Specify the YAxis(2) (right y-axis) line width to be whatever you want, or eliminate that line to use the default value. I kept it at 1.5 here for consistency.