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Jason


Last seen: 3 days ago |  Active since 2011

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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 ...

12 days 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)...

14 days 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 ...

17 days 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...

1 month 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...

1 month 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...

1 month 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...

2 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...

2 months ago | 0

Question


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 ...

2 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...

2 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...

2 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...

3 months ago | 1 answer | 0

1

answer

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....

4 months ago | 2 answers | 0

2

answers

Question


Issue with Sapera Lt Add on for Dalsa Cameras, not seen with Genicam cameras
Hello, I have a question regarding Image Acquisiton with Sapera Lt add on for Dalsa Camera & Frame grabber. Whilst Im able to...

4 months ago | 1 answer | 0

1

answer

Answered
Confusion of IMAQ, get data "logging"
Could I ask also: In the help, it keeps referring to "data logging" - whata ctually is this - is it taking the data off the came...

4 months ago | 0

Question


Confusion of IMAQ, get data "logging"
Hello. This is a general question about image aquisition using the imaq tool box. The Matlab documentation uses quite confusing ...

5 months ago | 2 answers | 0

2

answers

Question


Saving a Structured Array (containing plot parameters) to a mat file
Hi, Im trying to save plot data by using a structured arra ax=app.UIAxes; ax.Children; ...

5 months ago | 1 answer | 0

1

answer

Question


Converting Colour RGB into a string with padding and gaps
Hello, I am accessing the color of lineplots and want to output them to a text area b=ax.Children; n=numel(b); ReportMess...

5 months ago | 1 answer | 0

1

answer

Answered
Assigning a line plot object to a global property doesn't retain it after the object is deleted
Accepting Stevens answer as he did answer my original question, however I have taken the legend issue out to a new question - ho...

5 months ago | 0

Question


Multiplot Legend Item remains after line visible property put to "off"
Hi, on a previous post I was kindly showed how to "disable a plot" on a set of plots. What I actually want to do is temporaril...

5 months ago | 2 answers | 0

2

answers

Question


Assigning a line plot object to a global property doesn't retain it after the object is deleted
Is there a reason why when I delete a plot of a multiplot graph and assign it to a global (public) property it doesn't retain it...

5 months ago | 2 answers | 0

2

answers

Question


Readtable Delimiters on two similar files gives differing result
Is there any reason why using Readtable to open the following 2 csv files produces different results Im using readtable a...

6 months ago | 2 answers | 0

2

answers

Question


looping thru multiple line data in UIAxes plot and writing all X,Y data to an array
Hello, i have a set of line plots on a UIAxes on a UIFigure using Appdesigner. Note each plot has differing X coordinates ...

6 months ago | 1 answer | 0

1

answer

Question


xline issue with adding a number to the line through the labels option
Is there a reason why the xline (or yline) functions won't accept a number converted to a string c=b(3); %Breakpoint cs=num2...

6 months ago | 1 answer | 0

1

answer

Question


Aligning then subtracting unequal length column vectors
Hello, i have 2 vectors xspots and xgrid xspots = [ 2600.00 2679.00 2802.00 2924.00 3046.00 3169.00 3291.00 3413.00 35...

7 months ago | 1 answer | 0

1

answer

Question


Projecting a meshgrid from a sub-image (ROI) back to main image and expanding the meshgrid.
Hi, I have an image of a sample with a regular grid on, except the image has distortion so the actual image doesn't display a re...

7 months ago | 1 answer | 0

1

answer

Question


diff not working on a vector of values
Is there a reason why I cant calculate the difference between each of these values (x1) This is the code Im using [x1...

7 months ago | 2 answers | 0

2

answers

Answered
Issue with 2 cameras and the Imager Acquisition Toolbox - video objects vanish!
So the issue was I was calling imaqreset when I initalised each video object, not realising it deletes any image acquisition ob...

7 months ago | 0

| accepted

Question


Issue with 2 cameras and the Imager Acquisition Toolbox - video objects vanish!
Hello, I have been using the IMAQ toolbox for years and all works fine with 1 camera. Today I have hooked up a 2nd (identical b...

7 months ago | 1 answer | 0

1

answer

Answered
Manually Create a montage of images collected in a zig zag pattern
Seems I didn't need the reshape. This works, not sure its the most elegant way %Now create Montage ...

7 months ago | 0

| accepted

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