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Aaron Smith


38 total contributions since 2017

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Question


Data not saving in excel spreadsheet.
I have a series of values stored in a cell array that I am saving as an excel spreadsheet. The code to make the excel file is wo...

presque 3 ans ago | 0 answers | 0

0

answers

Question


cell2table not recognizing cell array
I am attempting to convert a cell array to a table and then save it as an excel file. Cell_Array = handles.caIGLs; i = ...

presque 3 ans ago | 1 answer | 0

1

answer

Question


PROPERTY must be a string error using regionprops
I am using regionprops to calculate the mean intensity inside three regions of interest on a a number of matrices. while a...

presque 3 ans ago | 1 answer | 0

1

answer

Question


Using the Save command to save a logical mask
I am attempting to use the Matlab save command to save a logical mask as a .mat file. The difficulty arises when I attempt to sp...

presque 3 ans ago | 1 answer | 0

1

answer

Question


Matlab GUI doesn't recognize cell array in the handles structure
I have a matlab GUI with a number of apps. One of the apps creates a cell array which I have saved in the handles structure. In ...

presque 3 ans ago | 1 answer | 0

1

answer

Question


Saving a logical mask
I have a code for creating a logical mask and calculating values inside the ROI of the mask. My query is: is it possible to save...

presque 3 ans ago | 1 answer | 0

1

answer

Question


Cell contents reference from a non-cell array object error
I have a code for selecting regions of interest on an image, create a mask and then apply this mask to the matrices in a cell ar...

presque 3 ans ago | 1 answer | 0

1

answer

Question


Using regionprops to calculate the sum inside the ROI
I have a logical mask with several regions of interest. I need to calculate the total intensity inside each of the regions of in...

presque 3 ans ago | 1 answer | 0

1

answer

Question


Apply a mask to matrices stored in a cell array
I have a mask taken from an image. I need to apply this logical mask to a number of matrices that are the same dimensions as the...

presque 3 ans ago | 1 answer | 0

1

answer

Question


Image opening on the wrong axes in a Matlab GUI
I have a Matlab GUI window that contains three axes. I have added a callback that allows the user to select an image file to be ...

presque 3 ans ago | 1 answer | 0

1

answer

Question


Using roipoly on plots
Is the roipoly command only usable on image files? I need to select a region of interest (possibly several) on a contourf plot o...

environ 3 ans ago | 0 answers | 0

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answers

Question


Make the x axis of a line plot vertical
I data saved in a cell array that I wish to plot in a vertical (portrait) axis in a gui window. The data is essentially a vertic...

environ 3 ans ago | 1 answer | 0

1

answer

Question


Is it possible to rotate the data inside each cell of a cell array
I have a cell array containing a matrix inside of each cell. I need to rotate the matrices. I have already found the rot90 comma...

environ 3 ans ago | 1 answer | 0

1

answer

Question


Using datastore and tall arrays for files that are too big for memory
I have been looking at using datastore on files that have proven too much for matlab's memory. I was using fopen and textscan, f...

environ 3 ans ago | 0 answers | 0

0

answers

Question


Selecting multiple regions of interest with roipoly
I intend on using roipoly to select regions of interest in a plot. My question is; is it possible to select multiple separate RO...

environ 3 ans ago | 3 answers | 0

3

answers

Question


Applying coordinate data to matrices without plotting them
I have a cell array, each cell of which contains a matrix of equal size. I then have a GUI which will plot the first of the matr...

environ 3 ans ago | 0 answers | 0

0

answers

Question


Line numbers when files are being saved in cell array
I asked a question here on mathworks previously inquiring how to remove the line numbers from a file. In that case, I was creati...

environ 3 ans ago | 1 answer | 0

1

answer

Question


Reference to non-existent field error occurring
Matlab is generating the 'reference to non-existent field' error for my code. It is refering to one of my handles. Online it app...

environ 3 ans ago | 1 answer | 0

1

answer

Question


Setting and saving markers on plots
I have a plot in a GUI window. I would like to set markers to signify the beginning and end in a peak on the plot. I know that i...

environ 3 ans ago | 1 answer | 0

1

answer

Question


Allowing for code to work different with file names
I have a code that works fine but i have thus far only used it with a single test file. As a result of this i could run it while...

environ 3 ans ago | 2 answers | 0

2

answers

Question


The cause of 'Error while evaluating uicontrol Callback' in GUI window
I have encountered this error in running a GUI window that I have created. From what I have been able to discern online, it is c...

environ 3 ans ago | 1 answer | 0

1

answer

Question


Undefined function for input arguments of type 'char'.
I have a GUI window with only two push buttons. Upon clicking the first, the callback will generate a uidir to select a folder f...

environ 3 ans ago | 4 answers | 0

4

answers

Question


Error with GUI window
I have a GUI window with only two push buttons. Upon clicking the first, the callback will generate a uidir to select a folder f...

environ 3 ans ago | 0 answers | 0

0

answers

Question


Removing the line number from a numerical matrix
I was using the below code a few months ago to separate a file into smaller matrices, while removing the line number on each row...

environ 3 ans ago | 2 answers | 0

2

answers

Question


Is an if statement needed to distinguish between two similar callbacks?
I have two push buttons in my GUIDE window. One is for opening files and reformatting them while the other does exactly the same...

environ 3 ans ago | 0 answers | 0

0

answers

Question


Integrating multiple callbacks in a GUI window
I have been trying for an extended period of time to share data among the apps of a GUI window. I have several codes to format d...

environ 3 ans ago | 1 answer | 0

1

answer

Question


Error in push button callback
I have created a GUI window with a push button. When pushed, a folder selection window should be generated and then when a folde...

plus de 3 ans ago | 2 answers | 0

2

answers

Question


Creating windows using GUI vs programmatically
I am using GUIDE to create a window with several components (push buttons, axes, slider). I have the window built and need to ad...

plus de 3 ans ago | 0 answers | 0

0

answers

Question


Calculating a mean matrix from a large number of matrices
I have been trying to calculate an average matrix from 50 matrices. Using squeeze and cat, i have calculated the mean to two mat...

plus de 3 ans ago | 1 answer | 0

1

answer

Question


Not enough values for typecast
I'm attempting to use discretize to bin a large matrix. The problem is that the values are in int32 format. I am attempting to c...

plus de 3 ans ago | 1 answer | 0

1

answer

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