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Chamath Vithanawasam


Last seen: 7 months ago Active since 2018

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Why did my Thinkspeak channel suddenly stop receiving data?
I've been uploading data from a set of moisture sensors to 6 channels on thingspeak (4 in one account and 2 in another). I am us...

7 months ago | 0 answers | 0

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answers

Question


How to obtain the bandwidth from an sparameters() imported file?
When it comes to antennas, we require the bandwidth from obtained S11 readings, preferably below -10dB (Click here for more info...

2 years ago | 0 answers | 0

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answers

Answered
Polynomial equation not giving expected result
So I found out that I am not supposed to ignore any polynomial regardless of how small it may be. Here is the reading with the 5...

2 years ago | 0

Question


Polynomial equation not giving expected result
I have a set of X axis values that are known moisture content numbers. These values give me the Y axis values in a microcontroll...

2 years ago | 2 answers | 0

2

answers

Question


Cannot insert image into MATLAB GUIDE
I need to insert a small image into a GUI. Since using an axes (in this case tagged as axes2) seemed the likely option so I used...

3 years ago | 0 answers | 0

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answers

Question


How to display the x and y values of the cursor location on plot in GUIDE
Suppose I plot a graph on an axis in MATLAB GUIDE. How do I get two static text boxes to display the x and y values of the point...

3 years ago | 1 answer | 0

1

answer

Question


Error using xlim for datetime values
I need to collect data from a text file, which I am attaching to this question, and the data collected needs to be plotted and t...

3 years ago | 4 answers | 0

4

answers

Question


Undefined function or variable 'detectImportOptions'.
I have a code which is supposed to collect data from multiple text files. (I will attach two of them here). The code used is as ...

3 years ago | 1 answer | 0

1

answer

Question


How to collect datetime from text entry and use in plot?
I have a collection of data that is taken at specific times. I plot this data in the usual method by using plot(). I need to mak...

3 years ago | 1 answer | 0

1

answer

Question


Adjust x-axis using 2 sliders in GUIDE
I want to adjust the maximum and the minimum of a plot using two sliders, or any other alternative to that, the challenge is tha...

3 years ago | 1 answer | 0

1

answer

Question


How to plot a selected parameter off a list box?
I am creating a GUI that collects data from a group of .txt files. These text files have multiple sets of values, where I only n...

3 years ago | 0 answers | 0

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answers

Question


How to read all text files in a folder with unknown number of files?
I have an unknown number of text files that need to be read and put into tables, and then all of those tables need to be combine...

3 years ago | 1 answer | 0

1

answer

Question


How to combine multiple time spans in Matlab?
I have data from multiple .txt files, each displaying temperature at different times throughout the day. Each .txt file is for o...

3 years ago | 1 answer | 0

1

answer

Question


Issue with data format when using textscan()
I am trying to collect data from a .txt file and add it into a matrix in Matlab for plotting purposes, but there seems to be an ...

3 years ago | 1 answer | 0

1

answer