Domanda

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...

oltre un anno fa | 3 risposte | 0

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Domanda

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...

oltre un anno fa | 1 risposta | 0

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Domanda

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 ...

oltre un anno fa | 1 risposta | 0

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Risposto
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)...

oltre un anno fa | 0

Domanda

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 ...

oltre un anno fa | 4 risposte | 0

4

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Domanda

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...

oltre un anno fa | 2 risposte | 0

2

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Domanda

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...

oltre un anno fa | 1 risposta | 0

1

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Domanda

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...

oltre un anno fa | 1 risposta | 0

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Domanda

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...

oltre un anno fa | 2 risposte | 0

2

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Risposto
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...

oltre un anno fa | 0

Domanda

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 ...

oltre un anno fa | 2 risposte | 0

2

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Domanda

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...

oltre un anno fa | 1 risposta | 0

1

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Domanda

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...

oltre un anno fa | 1 risposta | 0

1

risposta

Domanda

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...

quasi 2 anni fa | 1 risposta | 0

1

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Domanda

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....

quasi 2 anni fa | 2 risposte | 0

2

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Domanda

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...

quasi 2 anni fa | 1 risposta | 0

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Risposto
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...

quasi 2 anni fa | 0

Domanda

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 ...

quasi 2 anni fa | 2 risposte | 0

2

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Domanda

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; ...

quasi 2 anni fa | 1 risposta | 0

1

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Domanda

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...

quasi 2 anni fa | 1 risposta | 0

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Risposto
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...

quasi 2 anni fa | 0

Domanda

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...

quasi 2 anni fa | 2 risposte | 0

2

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Domanda

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...

quasi 2 anni fa | 2 risposte | 0

2

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Domanda

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...

quasi 2 anni fa | 2 risposte | 0

2

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Domanda

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 ...

quasi 2 anni fa | 1 risposta | 0

1

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Domanda

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...

quasi 2 anni fa | 1 risposta | 0

1

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Domanda

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...

circa 2 anni fa | 1 risposta | 0

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Domanda

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...

circa 2 anni fa | 1 risposta | 0

1

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Domanda

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...

circa 2 anni fa | 2 risposte | 0

2

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Risposto
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...

circa 2 anni fa | 0

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