In MATLAB, is there a way to set the GRID at a spacing different from the ticks on the axes?

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MathWorks Support Team
Currently the ticks and grid line spacing are associated and so the only way to change grid spacing is to change the tick spacing. Here are some examples:
figure
plot(1:100)
set(gca,'xtick',[0:13:100])
set(gca,'ytick',linspace(0,100,13))
% The following code changes the minor grid
% spacing by adjusting the tick spacing:
figure
plot(1:100);
grid on
grid minor
set(gca,'xtick',[0:50:100])
set(gca,'ytick',[0:50:100])

更多回答（1 个）

Udo Ruprecht
Udo Ruprecht 2015-2-6
I have another idea
x=[20:0.1:80];
y=sin(x);
plot(x,y,'r','Linewidth',2)
ylim([0 4]);
xlim([0 100]);
% gridlines ---------------------------
hold on
g_y=[0:0.1:4]; % user defined grid Y [start:spaces:end]
g_x=[0:2:100]; % user defined grid X [start:spaces:end]
for i=1:length(g_x)
plot([g_x(i) g_x(i)],[g_y(1) g_y(end)],'k:') %y grid lines
hold on
end
for i=1:length(g_y)
plot([g_x(1) g_x(end)],[g_y(i) g_y(i)],'k:') %x grid lines
hold on
end
print(1,'-dpng','-r300','K1') %save plot as png (looks better)
  1 个评论
Hugh
Hugh 2015-8-6
I voted for this answer because I also tend to build my own grid from lines. I use it to get the grid on top of an "area" plot style and to emphasize the baseline (typically zero value) with a thicker line.

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