Allen

Last seen: 5ヶ月前 | 2017 年からアクティブ

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Professional Interests:
App Building, Fourier Analysis and Filtering, Signal and Data Processing, Seismology, Mechanical Engineering

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How to add subscript in labels in App Designer Matlab
I am not sure what version it was introduced, but R2023b now includes an interpreter property for labels in App Designer. Use...

7ヶ月前 | 0

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the loop is not terminated it keeps on going
It is not clear why you initialize Diff as a vector whos size is equal to x. After you first compute Diff using the norm functio...

約1年前 | 0

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Whats wrong with these two functions in my app?
The application property (error) that you are tyring to use is being created upon the start of the application, but you have fai...

約1年前 | 0

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How can I infer from the data cursor position, the index of the closest datapoint
Julian, What you are asking for sounds very much like what the brush data tool does. However, there are a few extra steps requi...

約1年前 | 0

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Problem with 2 plots, one in not showing and second one is showing up empty.
Jana, For both examples you are only plotting a single set of scalar values (e.g. a point) during each interation of the for lo...

約1年前 | 0

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Ordering of an array based off conditions
You can perform sorting to a specified order using a categorical array. To do this you will need to restructure your original va...

約1年前 | 0

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Read/Write CSV for Code Generation
There are a number of options for reading CSV files. The following functions are few that I use and differ many in the type of w...

約1年前 | 0

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Multiplication of gigantic matrices
You can use datastores and tall arrays to work with large amounts of data. See references to both. https://www.mathworks.com/he...

1年以上前 | 0

質問

How can I display numbers in scientific notation but in magnitudes of 3 and to 3 significant digits?
I am trying to display rounded values <double> in a uitable and would like do so concisely. Using scientific notation is great f...

1年以上前 | 1 件の回答 | 0

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Expand a figure in a PDF file
Chris, Regular figures have several properties that allow you to control their size when converted to an image, and should work...

2年弱前 | 0

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app-designer, rename variables
I am unable to find which version of MATLAB addressed and added this functionality to AppDesigner, but at least back to R2022a y...

2年弱前 | 0

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App Designer - Plotting from Arrays
If the data type of your x and y variables is a double-array, then you are using the wrong syntax to access the data. Use parent...

2年弱前 | 0

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Passing objects from app designer to the workspace
Though I would recommend using one of @Adam Danz's solutions since they are typically a safer method of passing data, assignin c...

2年弱前 | 1

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Matlab doesn't open a .mlapp file created in a different computer
It appears that the application is looking for an image file, possibly assigned to a one or more of your app objects. I have fou...

2年弱前 | 0

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uigetfile called in app designer open the file dialog screen behind the calling .mlapp
@Smith Smith, you might try using uiopen in lieu of uigetfile. Otherwise, I would suggest reinstalling MATLAB.

2年弱前 | 0

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How to use if condition inside for loop without breaking the loop?
@Adnan Barkat, it appears that your for-loop is functioning properly. However, you appear to be overwriting ser1 and ser2 during...

2年弱前 | 0

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create a tab which appear before closing the GUI
@PA, I typically use something similar to the following. qstr = "Do you really want to close the Project without Saving?"; qan...

2年弱前 | 0

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Counting Consecutive Threshold Crossings in a Signal (Counting Oscillations)
You can accomplish a check against a threshold using the following code or a slight variation to meet other needs. % Generating...

2年弱前 | 0

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Change the value of a variable generated by app designer
Tim, Without reassigning the edit boxes to a seperate variable, editBox_# in this case, you can use something similar to update...

約2年前 | 1

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How to formulate the following vector?
r = size(R,2); % Gets the number of rows in the array R % Creates a row vector 1:r and vertically concatenate with the last row...

約2年前 | 0

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Create table in AppDesigner
You cannot define variables within the properties class section. You can only define your app's properties there. If you want to...

約2年前 | 1

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How can I resample a data with different frequency over the same period of time?
Their are a number of way to go about resampling. Here is a list of some useful functions to get the job done. resample, decima...

約2年前 | 0

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How to Store a Series of Column Vectors from a for Loop in a Matrix
You can append new column data onto an existing array provided the heights are equal by concatenating the new vector onto the ol...

約2年前 | 0

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homework M/M/1 Queue Problem matlab graph
If you need help with the very basics of MATLAB, please read the getting started documentation. However, their are several metho...

約2年前 | 0

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How to make the postions of each circle random?
Just change your x0 and y0 variables to random value vectors and move them to within your primary for loop. % Set the random nu...

約2年前 | 0

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Legend ItemHitFcn with multiple functionality using left- and right-mouse buttons
Simple detail overlooked in the legend ItemHitFcn callback documentation. 'alt' — Single-click right mouse button, both mouse b...

約2年前 | 0

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質問

Legend ItemHitFcn with multiple functionality using left- and right-mouse buttons
I use the legend ItemHitFcn frequently to toggle visiblity of specific lines, but would like to add a context menu to the legend...

約2年前 | 1 件の回答 | 0

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質問

Can the uiconfirm 'Cancel' response be used to directly stop the current callback?
I currently use the questdlg to solicit a user response, paired with an if-statement to stop callback execution. Below is a shor...

約3年前 | 1 件の回答 | 0

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I have a data set (matrix), having three columns, How can I find if this dataset follows a specific pattern or any relation exists?
Take a look at how to use MATLAB's cross-correlation function, xcorr. Depending on what specifically you are trying to determine...

約3年前 | 0

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Creating an XY Scatter plot with ActX
The below method works similar to calling invoke, but does not expressly call the invoke function. There are also a few addition...

約3年前 | 2

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