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Mike Garrity

MathWorks

Active since 2013

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Computer Graphics Years
I loved the question that Steve recently asked on his blog about what your earliest computer experiences were. It brought...

bijna 7 jaar ago

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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(...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 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);...

meer dan 8 jaar ago | 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 ...

meer dan 8 jaar ago | 0

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How can I create 2D projections from a 3D object?
One approach is the technique I showed in answers to <http://www.mathworks.com/matlabcentral/answers/258711-how-to-i-surf-or-3d-...

meer dan 8 jaar ago | 1

Published


The Five Tetrahedra
The dodecahedron is a particularly interesting polyhedron. It's full of interesting five-fold symmetries. Let's take a look...

meer dan 8 jaar ago

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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...

meer dan 8 jaar ago | 0

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Answered
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...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 0

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Answered
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,...

meer dan 8 jaar ago | 3

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Answered
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...

meer dan 8 jaar ago | 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 ...

meer dan 8 jaar ago | 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]); ...

meer dan 8 jaar ago | 0

Answered
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...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 0

Answered
How to plot a triangular shape function on a triangular domain?
I described one approach in <http://www.mathworks.com/matlabcentral/answers/165073-please-help-me-to-program-of-this-equation-of...

meer dan 8 jaar ago | 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. ...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 2

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Answered
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...

meer dan 8 jaar ago | 1

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Published


FPLOT and Friends
Another new feature that I really like in R2016a is the upgraded fplot function and all of the new members of the fplot...

meer dan 8 jaar ago

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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...

meer dan 8 jaar ago | 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...

meer dan 8 jaar ago | 1

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Answered
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...

meer dan 8 jaar ago | 0

Answered
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 ...

meer dan 8 jaar ago | 1

Answered
Why is my default plot() showing up with gradient colors on the lines?
That looks a lot like <http://www.mathworks.com/matlabcentral/answers/275146-plot-lines-displaying-as-black-plus-gradient this i...

meer dan 8 jaar ago | 0

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