# Mike Garrity

### MathWorks

Actif depuis 2013

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Creating 3d slice plot from various 2d dot plots
So you have something like this: npts = 120; for i=1:10 years(i,:) = randi(50,[1 npts]); windows(i,:) = randn(...

environ 8 ans il y a | 0

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Better data tip for Polar graph
The new <http://www.mathworks.com/help/matlab/ref/polarplot.html polarplot function> in R2016a does this for you. <</matlabc...

environ 8 ans il y a | 0

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How to extract data point from a vector graphics by MATLAB?
The coordinates in the output file are not going to be the same as your data values. They can't be in some cases (e.g. YScale='l...

environ 8 ans il y a | 0

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Color a sphere surface/polar plot axis-wise
Something like this, perhaps? [x,y,z] = sphere(40); col(:,:,1) = abs(y); col(:,:,2) = abs(x); col(:,:,3) = abs(z);...

environ 8 ans il y a | 1

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how to pause mesh command?
As I explained in <http://blogs.mathworks.com/graphics/2015/06/09/object-creation-performance/ this post on the MATLAB Graphics ...

environ 8 ans il y a | 0

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How can I create 2D projections from a 3D object?

environ 8 ans il y a | 1

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Bar graphs with two sets of different sizes
One simple way is this: none = length(one); ntwo = length(two); h = nan(max(none,ntwo),2); h(1:none,1)=one; h(1...

environ 8 ans il y a | 0

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Cannot save opengl settings
I think that the "save" feature was added in R2014b. So you can't use it in R2014a. The simplest workaround would probably b...

environ 8 ans il y a | 0

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Handling axes as arguments
Axes only returns an axes handle in the cases where it is creating an axes object. The syntax where you pass an axes handle in i...

environ 8 ans il y a | 0

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how to set default properties for annotations
The pattern is * 'Default' * The value of the object's Type property * The name of the property you want to set. So, if...

environ 8 ans il y a | 1

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May I ask how to do elliptic curve in matlab? because I have no idea to start...
Elliptic curves are examples of implicit curves. I discussed how to plot implicit curves in <http://blogs.mathworks.com/graphics...

environ 8 ans il y a | 0

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How can I plot y-z plane slices in a 3D volume?
You don't really need to build a full 3D array and then slice it. You can just place individual 2D slices in a 3D axes. [y,...

environ 8 ans il y a | 3

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contourf with fixed colormap
Try uncommenting the call to caxis and moving it after the call to contourf. It needs to be after the call to contourf because t...

environ 8 ans il y a | 0

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Computer freezes SOMETIMES when plotting
If it only happens when you plot, then the first suspect would be the driver for the graphics card. I would look to see whether ...

environ 8 ans il y a | 0

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Getting particular scatter plots
Something like this perhaps: hs = scatter(randn(1,1000),randn(1,1000),'.'); hr = rectangle('Position',[.5 .5 .65 .5]); ...

environ 8 ans il y a | 0

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How to convert a binary 3d matrix to mesh.
Yes, I would think that <http://www.mathworks.com/help/matlab/ref/isosurface.html isosurface> is the first thing to try. Just gi...

environ 8 ans il y a | 2

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How to change the stem line color
That looks like the graphics driver bug which was discussed in <http://www.mathworks.com/matlabcentral/answers/275146-plot-lines...

environ 8 ans il y a | 0

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hObject, eventdata and handles not return double in R2016a
There was quite a bit of documentation on this as part of the R2014b release. <http://www.mathworks.com/help/matlab/graphics_tra...

environ 8 ans il y a | 0

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How to plot a triangular shape function on a triangular domain?

environ 8 ans il y a | 1

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how to plot a single valued function over a triangulated surface?
You can do it with patch. You'll just want to set FaceColor to interp and set the FaceVertexCData to to value of your function. ...

environ 8 ans il y a | 1

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Problem with plotting on log scale - disappearing line on plot...
I'm guessing that xplot and yplot are 2 element vectors where one of the values is 0. In that case, one of the 2 points on the l...

environ 8 ans il y a | 2

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2nd Y Axis problem - All works until I add the 2nd data set
I think that the problem is that the plot function resets a lot of the axes properties that you set when you created the 2nd axe...

environ 8 ans il y a | 1

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matlab 2015 returns an empty graph
This code is creating 6,001 line objects which each have a single vertex. A line object with a single vertex is a degenerate cas...

environ 8 ans il y a | 0

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3D plor plot
The <http://www.mathworks.com/help/matlab/ref/pol2cart.html pol2cart function> will convert this to 3D Cartesian, so it's easy t...

environ 8 ans il y a | 1

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Showing only part of markers that overflow off the edges of a plot?
No there isn't a simple way to do that type of clipping with markers. In fact, you wouldn't believe how much work we do to get m...

environ 8 ans il y a | 0

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Draw stack order for yyaxis
I'm afraid that feature didn't make it into this initial release of yyaxis. As you've noted, the contents of the right side are ...

environ 8 ans il y a | 1

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Why is my default plot() showing up with gradient colors on the lines?

environ 8 ans il y a | 0

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Bad raphics performance on retina display (early 2015 13inch Macbook Pro)
I haven't benchmarked that particular machine, but whenever I do benchmark a graphics system, I start with the diagram I discuss...

environ 8 ans il y a | 0

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Displaying node name in a network graph
I think that it doesn't label them by default when the number of nodes gets bigger than some number. You can tell it that you re...

environ 8 ans il y a | 1

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having an issue in App Designer clearing plots
Well, clf probably isn't what you want anyways. It's job is to remove everything from a figure, and it sounds like you have chec...

environ 8 ans il y a | 7

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