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Benjamin Kraus

MathWorks

Last seen: 3日 前 2013 以来アクティブ

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

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Reorganize table and make groups of rows to columns
The command you are looking for is called unstack. For example: newtbl = unstack(origtbl,'Return','Permno')

約1ヶ月 前 | 1

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I want to draw a circle on the image in MATLAB. Please help me how to draw it.
You can draw circles in MATLAB using the rectangle command and setting the Curvature to [1 1]. (I know, it is a little strange t...

約1ヶ月 前 | 0

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Readtable / writematrix / Excel file - how to control the format of variables in the table ?
The readtable command takes an optional options input which can be used to control how the XLS file is imported. T = readtable(...

約1ヶ月 前 | 0

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Color Trajectory Plot
A multi-color line based on a 2D trajectory with corresponding color data.

2ヶ月 前 | ダウンロード 2 件 |

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Assignment has more non-singleton rhs dimensions than non-singleton subscripts
The output from regionprops is a struct array (meaning, there may be more than one region, so the struct array may have multiple...

2ヶ月 前 | 0

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Color-Coded Bar Graph
I suspect the issue you are having is because you are attempting to compare against a character vector incorrectly. What format...

2ヶ月 前 | 0

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How do I change my code to stop a for loop simply replacing rows of outputs in a uitable?
The code as it is currently written is creating a brand-new uitable every time the loop runs. You need to update the code to ei...

3ヶ月 前 | 0

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How to plot live data from Arduino UNO to App designer.
At a very high level: Create a new app in App Designer. See the tutorials linked below for how to get started. Add at least a ...

3ヶ月 前 | 1

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Getting the value of variable from its name
eval will do this, but see the link posted by Stephen explaining all the reasons you should avoid using eval: https://www.mathwo...

3ヶ月 前 | 1

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error: Out of memory. The likely cause is an infinite recursion within the program.
As this looks like a homework assignment, I'm not going to provide the direct answer to how to do this in MATLAB. However, I can...

3ヶ月 前 | 0

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How to save obtained information from matlab in Excel
See if this doc page helps: Write Data to Excel Spreadsheets

3ヶ月 前 | 0

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Assign a table coloumn a particular data type
You cannot mix data types within a double matrix, but you can mix data types within a table. So, you cannot convert two columns...

4ヶ月 前 | 1

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Adding titles squashes one of my images in a TiledChartLayout (R2020a)
I opened the figure you created, and I see you have set the GridSize to [2756 3840]. TiledChartLayout is attempting to keep eac...

5ヶ月 前 | 1

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Drawing upside down cone using spherical coordinates.
The issue you are facing is that when you call meshgrid you are specifying three input vectors, so the output matrices are going...

5ヶ月 前 | 1

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Boxplot for both x and y axis with different box widths.
The boxplot command creates a group of lines, so if you wanted to adjust the box widths you would need to manually adjust the XD...

5ヶ月 前 | 0

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解決済み


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

7ヶ月 前

回答済み
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...

7ヶ月 前 | 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...

7ヶ月 前 | 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...

7ヶ月 前 | 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...

8ヶ月 前 | 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...

8ヶ月 前 | 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, ...

8ヶ月 前 | 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 ...

8ヶ月 前 | 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...

8ヶ月 前 | 0

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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')...

8ヶ月 前 | 0

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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...

9ヶ月 前 | 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...

9ヶ月 前 | 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...

9ヶ月 前 | 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 ...

9ヶ月 前 | 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']')

10ヶ月 前 | 0

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