Benjamin Kraus

Last seen: 18 days ago

MathWorks

154 total contributions since 2013

Benjamin Kraus is a developer on the MATLAB Graphics and Charting team at MathWorks.

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

2 months ago

Answered
How to draw the contour lines in MATLAB.
The answer depends in part on how the data is formatted in Excel, but something like this should get you started (see attached s...

2 months ago | 0

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use x,y,z coordinates from 3D matrix and store the result in new 3D matrix
You have three options: Split the matrix apart again before operating on it. Operation on "slices" of the matrix using indexin...

2 months ago | 0

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how do i combine two bar graphs
I could be misunderstanding your question, but I suspect the problem you are facing is that your bar graphs are perfectly overla...

2 months ago | 0

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Axes tag disappears after imagesc
The difference in behavior is due to the different value of the NextPlot property between axes and uiaxes. Most graphics comman...

3 months ago | 1

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Ending while loop with an input from the user
I'm going to ignore most of the tambolenler function, because I don't think it is needed to answer your question. I think you h...

3 months ago | 0

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Drawrectangle on multiple tiles or figures using clickcallback
When you call drawrectangle, you need to indicate which axes/tile you want to draw into. If you call drawrectangle three times, ...

3 months ago | 0

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How to solve "Reference to non-existent field 'net'" on app designer?
You did not indicate what line of code the error message is coming from, but I'm guessing the error is coming from one of these ...

3 months ago | 0

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How to correct cluttered axes in my plot in Matlab GUI?
It looks like you've set the XTickMode (and possibly also XTickLabelMode) to manual. This means that when you add new data to t...

3 months ago | 0

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Answered
Radio button and format of plot axis in app designer and its corresponding plot
I think the problem you are having is that you are not passing your axes handle into the cla function. cla(app.UIAxes, 'reset')...

3 months ago | 0

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Answered
Undefined function 'graphicsversion' for input arguments of type 'matlab.ui.Figure'.
Actually, I looked a little closer at the error message you are getting, and it looks like you have an old copy of uigetmodemana...

4 months ago | 0

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Undefined function 'graphicsversion' for input arguments of type 'matlab.ui.Figure'.
The graphicsversion function was undocumented and was removed in MATLAB R2018a. You should remove any use of the graphicsversio...

4 months ago | 1

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How can i use linkaxes with multiple imshow in appdesigner?
linkaxes only started working with UIAxes in MATLAB R2020b. If you are using an older release and you cannot upgrade, I recomme...

4 months ago | 0

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How to remove the y axis and tick marks but keep the tick label and axis label?
You can remove the tick marks by setting the TickLength property on the axes to [0 0], but that will remove ticks from both the ...

4 months ago | 0

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Creating a table of two indexes
You need to merge F and C into a single matrix and transpose that matrix: fprintf('%8.1f\t%8.1f\n',[F' C']')

5 months ago | 0

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Answered
How to use ga() without generating a prepopulated figure with stop and pause button with matlab app
This looks like a limitation of the ga code that creates the buttons, as I can't see any way to control where those buttons are ...

5 months ago | 0

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Thresholding for different values and save all figures automatically
You need to add a for loop, and update the filename based on the level, so you don't overwrite the same file. In the example bel...

5 months ago | 0

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How to remove colorbar and heatmap black borders?
If you want to remove the colorbar, you can set the ColorbarVisible property to 'off': h = heatmap(magic(5)); h.ColorbarVisibl...

5 months ago | 0

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Error using area plot in App Designer
I think you've created a variable with the name area somewhere in your code. Can you add this code, immediate above the line of...

5 months ago | 0

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control inner positions of ui axes in app designer
Mischa Kim is correct that starting in R2020b you can set the InnerPosition property (or PositionConstraint property) on UIAxes ...

5 months ago | 0

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App designer (Matlab 2020b) does not open *.mlapp file
I've attached a fixed version of your app (app2fixed.mlapp). The problem with the app was that one of the UIAxes stored in the ...

5 months ago | 3

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Answered
Why do my 3D plot axis tick marks keep repeating?
What you are running into are two quirks of how axes behaves. First, when applying the tick labels, MATLAB starts at the first ...

5 months ago | 1

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Slow When Plotting on UIAxes
The figures created by App Designer are based around web technologies (like HTML and CSS) while the separate figures are based a...

5 months ago | 0

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How to overlay two scatter plots over each other. Each with separate colour scales.
An axes can have only one Colormap, so you have three options: Hard-code RGB color values for one (or both) of your scatter obj...

5 months ago | 0

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Embed Video Application Within MATLAB Application
When you say "a separate window" do you mean: a separate figure window (from MATLAB) another MATLAB window of some sort (not a...

5 months ago | 0

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Interplay between .Visible='off' and axis(app.UIAxes, 'off') in App Designer
This is a long-standing behavior of axes that was inherited by UIAxes. On most graphics objects, Visible does what you think it...

5 months ago | 0

Answered
Make UIAxes Background invisible or hide it in APP Designer
This behavior of uiaxes has changed in MATLAB R2020b. If you check the release notes for R2020b: BackgroundColor property of U...

5 months ago | 0

Answered
Background Color of UIAxes
This behavior of uiaxes has changed in MATLAB R2020b. If you check the release notes for R2020b: BackgroundColor property of U...

5 months ago | 0

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Answered
When opening R2020b .mlapp file in R2018b, automatic conversion removes all UI elements and associated auto-generated code
This is a known bug in App Designer apps that are saved in MATLAB R2020b and loaded in R2019b or older. The bug will cause any ...

5 months ago | 0

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Answered
Polar plot in App Designer (Edit: Not possible April 2020)
At the moment the only way to use a polar axes within App Designer is to call the polaraxes command from within your code (such ...

12 months ago | 0

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