MATLAB: How to change the scale of plot axes

graph scale plot

Hello everyone. I'm stuck with this problem: I have two plots (the first one is 2D and the second one is 3D) and I want to visualize the second one with the same values on its axes than the first one. i am trying to change the scale but i lose some points, it is as i am cutting away some points. i just want the x-values of my second plot to be the same as the one.. thank you to anybody will answer me.

Best Answer

Use the get and set functions to get the axis tick values from the 2D plot and then set them on your 3D plot. I can’t write specific code to do this because I don’t have enough information about your plots.

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MATLAB: Scale ksdensity

The output of ksdensity() is scaled so that the area under the curve is equal to 1, which is conventional for a probability density function. Using your notation, this means that

sum(xi.*diff([0,f]))

will be approximately 1.

If you want your red lines to be about the same height as the curve, you will need to multiply one or the other before plotting. For example, use the following line to use shorter red lines. (I also commented out your manual rescaling.)

plot(f,xi);line(repmat(X,2,1),repmat([0;0.01],1,length(X)),'color','r' );%axis([a b 0 40]);

If you really want to use two different scales, then you can use the plotyy() command.

MATLAB: How to obtain empty 3d plot

ax = axes();
xlim(ax, [-20 20]);
ylim(ax, [-20 20]);
zlim(ax, [-20 20]);
view(ax, 3)
hold(ax, 'on')

Best Answer

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MATLAB: Scale ksdensity

MATLAB: How to obtain empty 3d plot

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