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Allen


Last seen: 21 dagen ago |  Active since 2017

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Answered
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...

21 dagen ago | 0

Question


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...

ongeveer 2 maanden ago | 1 answer | 0

1

answer

Answered
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...

5 maanden ago | 0

Answered
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...

5 maanden ago | 0

Answered
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...

5 maanden ago | 0

Answered
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...

5 maanden ago | 0

| accepted

Answered
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...

6 maanden ago | 0

Answered
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.

6 maanden ago | 0

Answered
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...

6 maanden ago | 0

Answered
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...

6 maanden ago | 0

Answered
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...

6 maanden ago | 0

Answered
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...

10 maanden ago | 1

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 1

| accepted

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

10 maanden ago | 0

Answered
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...

11 maanden ago | 0

| accepted

Question


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...

11 maanden ago | 1 answer | 0

1

answer

Question


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...

meer dan een jaar ago | 1 answer | 0

1

answer

Answered
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...

bijna 2 jaar ago | 0

Answered
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...

bijna 2 jaar ago | 2

Answered
Remove unwanted data above the line
This can be accomplished using conditional indexing and reassigning values to the blue-line data. The following example assumes ...

bijna 2 jaar ago | 0

Answered
Findpeak from the graph in specific range
[pks, locs]= findpeaks((x2(90:120)),'Npeaks',1) In your above line of code, you are indexing x2 from elements 90 through 120 an...

bijna 2 jaar ago | 0

Answered
Dot indexing is not supported for variables of this type.
It appears that you are initializing a new variable M_ at the start of your code and by default it is just an empty double-class...

bijna 2 jaar ago | 0

Answered
Scanning a txt file
Mohamad, A solution to your question has been provided in an older thread. See the link below for more details. https://www.ma...

bijna 2 jaar ago | 0

Answered
Getting mean row vector from a cell array of row vectors of the same size
It is not entire clear to me what you are trying to average. However, if I am understanding correctly, the following example att...

bijna 2 jaar ago | 0

Answered
I want to save my figure in another path. Every time I used the command save figure it saved in Desktop how I can change it
If your filename does not indicate the filepath in front of the filename, then MATLAB used your default directory location to sa...

bijna 2 jaar ago | 0

| accepted

Answered
Passing input variables from .txt or .xlsx or .csv into MATLAB Standalone Application
Kevin, One approach would be to create a pushbutton object with a callback to browse and import data. The following callback ex...

bijna 2 jaar ago | 0

| accepted

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