Jason

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Creating new data where each new row is the minimum (of 2nd column) of each 2 rows.
Seems like this works (had to delete last row from data) B = reshape(y,[2,10]) % Each column is a pair of row data C=min(...

18 hours ago | 0

| accepted

Question

Creating new data where each new row is the minimum (of 2nd column) of each 2 rows.
Hello, I have the following data and I want to create a new set such that for each 2 rows of data, the row is taken with the lo...

18 hours ago | 1 answer | 0

1

answer

Question

Make calculation on line profile (Intensity) through object on image
Hello, I have an image that I want to approx the size of the central blob. For this I just create a line profile fo the in...

3 days ago | 2 answers | 0

2

answers

Question

Filtering Blobs on a Binary Image
Hi, I have a 12bit grayscale image of some beads. I want to make measurements on the central one and as a first approach, I want...

6 days ago | 1 answer | 0

1

answer

Question

Column Format in a Table when using writetable
Is there anyway to format certain columns in a table. My table looks like this in the command window, T = 10×5 table ...

23 days ago | 2 answers | 0

2

answers

Question

Assigning Columns to a table without using loops - and perform i.e. diff on a column
Hello, I have an events log that I want to be able to pull out relevant times and types of triggers into an array of some sort....

27 days ago | 1 answer | 0

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answer

Question

Left Justifying a String obtained from the formattedDisplayText() function
Hello, I asked a question here https://uk.mathworks.com/matlabcentral/answers/2173785-extracting-number-after-a-string-in-header...

28 days ago | 1 answer | 0

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answer

Question

Getting relative time from two events identified as absolute time
Hello, I haver a time event (AbsTime) reported as a double and I want to pull out the time since the 1st event (E0) How can I...

1 month ago | 1 answer | 0

1

answer

Question

Extracting number after a string in header of CSV file
Hello, I have a CSV file that contains information in the headers and then numerical data. I have no problem loading the numeri...

1 month ago | 2 answers | 0

2

answers

Question

Extracting Zoomed in part of curve and finding rising Edges of data
Hello, I have a plot consisting of "square-ish" TTL pulses and I want to be able to 1: Extract the data thats in the "Zoomed" X...

1 month ago | 1 answer | 0

1

answer

Question

Variable number of inputs in inputdlg with pre-selected values when inputs equals 6
Sometimes I want to replace the column headings in a uitable. I have several uitables and each can have a variable number of co...

1 month ago | 1 answer | 0

1

answer

Question

Issues with tables and writetable from data passed from uitable
Hello, I have an array in a uitable that I want to save to a csv file as well as the column headings. It seems out of the write...

1 month ago | 1 answer | 0

1

answer

Question

Variable Names not being read into uitable using readmatrix
Hi, I am trying to read a csv files into a uitable and am having problems reading the variable names in. The csv was saved usin...

1 month ago | 1 answer | 0

1

answer

Answered
Problem with converting uitable to table (array2table) with strange number of column names
This seems to work, but is quite a lot for such a simple task T=app.UITable; vn=T.ColumnName; ...

2 months ago | 0

| accepted

Question

Problem with converting uitable to table (array2table) with strange number of column names
Hello, I have a UITable that on startup has 4 columns. I want to create some dummy data (3 columns) and play with the different...

2 months ago | 1 answer | 0

1

answer

Question

Take 3x3 nearest neighbours round centroids of all spots and find the median of their mean
Hello, I have an image (TIFF) that I calculate the centroids and extract the median intensity of all these centroids. I have th...

2 months ago | 3 answers | 0

3

answers

Question

Zoom of image on UIAxes seems to have one axis bound
Hello, I have a highly rectangular image displayed on a uiaxes in AppDesigner I want to Zoom into say the middle region, and...

3 months ago | 1 answer | 0

1

answer

Question

Comparing strings with extra zero
Hello, I am wanting to perform a safety check that 2 strings are the same: send: 297.043 rec: 297.043 send: 298.030 ...

4 months ago | 1 answer | 0

1

answer

Answered
Constructing a string with several index requirements
Could i ask how I would make the double for loop work using idexing: I start with this: jx=1:4; ix=0:3 tx = "ScanArray(0)...

4 months ago | 0

Question

Constructing a string with several index requirements
Hello, I have a vector of numbers r2 that I need to send over a communciation to an array (called ScanArray). The comms is such ...

4 months ago | 4 answers | 0

4

answers

Question

Changing colour of plot every time X data changes direction
Hello, I have a set of data (50k lines) representing a raster scan so there are several occurrances of the position zero (=X in...

5 months ago | 2 answers | 0

2

answers

Question

Finding max value of 1D vector when all values could be negative
Hello, I have a set of numbers and want to identify the largest difference between adjacent values. I have used the diff funct...

5 months ago | 1 answer | 0

1

answer

Question

Find index of rows in tables with two conditions doesn't work using &&
Hello, I am using a readtable to read a CVS file into a uitable. I like the fact that you can operate on columns using the dot...

5 months ago | 1 answer | 0

1

answer

Question

Pick out rows from an array where the 1st column is closest to a multiple of a number
Hello, Im trying to downsample a 100k lines of excel and want to pick out only those rows where the column 1 values are closes...

5 months ago | 2 answers | 0

2

answers

Answered
Fitting data to a Gaussian when data is a little bit skewed (but not too much)
Im accepting dpbs answer, as although Im not using the "gauss1" fit as he suggested, he did point out its the NaNs that are mess...

5 months ago | 0

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Fitting data to a Gaussian when data is a little bit skewed (but not too much)
Hello, I have some data below that should approx to a Gaussian. 1.00 NaN 2.00 4.00 ...

5 months ago | 2 answers | 0

2

answers

Question

Concatenating Mixed numbers looses the decimal places
Hi, I have some numbers that I want to concatenate and add to a uitable. I've noticed that although the individual numbers have...

6 months ago | 1 answer | 0

1

answer

Question

Accessing Version Details Programmatically, App designer
Hello, In appdesigner there is an option to keep track of the version number for sharing. Is there away to access this programa...

6 months ago | 1 answer | 0

1

answer

Question

uitable copy function allowing for numerical values of mixture of of numbers and chars.
Hi, I have a uitable and have a copy function as below. This works fine if the table is solely numbers function CopyT...

7 months ago | 1 answer | 0

1

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Question

Replacing one line (or one part of a line) in a text file
Hello. I have a config file that contains 1 specific line that I want to change just the number (in this case from 1000 to e.g....

7 months ago | 2 answers | 0

2

answers