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Mike Garrity

MathWorks

2013 年からアクティブ

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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...

約7年 前

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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(...

8年以上 前 | 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...

8年以上 前 | 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...

8年以上 前 | 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);...

8年以上 前 | 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 ...

8年以上 前 | 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-...

8年以上 前 | 1

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

8年以上 前

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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...

8年以上 前 | 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...

8年以上 前 | 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...

8年以上 前 | 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...

8年以上 前 | 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...

8年以上 前 | 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,...

8年以上 前 | 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...

8年以上 前 | 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 ...

8年以上 前 | 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]); ...

8年以上 前 | 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...

8年以上 前 | 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...

8年以上 前 | 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...

8年以上 前 | 0

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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...

8年以上 前 | 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. ...

8年以上 前 | 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...

8年以上 前 | 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...

8年以上 前 | 1

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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...

8年以上 前

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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...

8年以上 前 | 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...

8年以上 前 | 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...

8年以上 前 | 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 ...

8年以上 前 | 1

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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...

8年以上 前 | 0

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