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How to make Xaxis (y=0) black in grid

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Silvia on 18 Aug 2014
Commented: Silvia on 18 Aug 2014
I have a plot with grid and I would like to have just the Xaxis, y=0, darker so that it is more evident in the graph. How can I do it?
Many thanks

Accepted Answer

Hikaru on 18 Aug 2014
Not sure if this is exactly what you want to do, but instead of making it darker, why not making it thicker?
x = [1, 2, 3, 4, 5];
y = [0, 0, 0, 0, 0];
plot(x,y,'k', 'LineWidth', 3) % 'k' for black, and you can adjust the linewidth accordingly.

More Answers (1)

Dishant Arora
Dishant Arora on 18 Aug 2014
You can change axis color by changing the xcolor or ycolor property of axis:
h = gca;
set(h , 'ycolor' , [1,1,1]);
set(h , 'ygrid' , 'on'); % Set only Y - Grids to property on, you'll not see X - Grid
  1 Comment
Silvia on 18 Aug 2014
Sorry but if I use this code the x-axis grid becomes white. Anyway, if I set the color to black it just appears the normal dashed grid. I need to make just y=0 as a black continuous line, while all the rest of the grid haas to remain dashed.

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