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Alessandro La Chioma


Last seen: 20 days ago |  Active since 2015

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Why inputsinglescan is much faster than read (data acquisition toolbox)
Hello I noticed that, to read input values from a National Instruments card, "inputsinglescan" is much faster than "read", by a...

2 years ago | 1 answer | 0

1

answer

Answered
How to apply a Hanning filter to a time series?
Hi I think you should normalize the filter kernel: win = hann(10); win = win/sum(win); % Normalization filtered = conv(b2,wi...

2 years ago | 1

Question


DAQ: how to synchronize timing of background acquisition (startBackground) and other Matlab operations
I acquire digital data in background using a National Instruments device. After initiating background data acquisition, I perfo...

4 years ago | 0 answers | 0

0

answers

Answered
How to add standard errors in bar charts (hatched)?
Hi have a look at errorbar function <https://de.mathworks.com/help/matlab/ref/errorbar.html> and, much better, supe...

7 years ago | 0

Answered
Points lying within line
You can have a little function like the following: function IsPointWithinLine(x1, y1, x2, y2, x3, y3) % Line equat...

7 years ago | 0

Answered
How can I identify objects in a cluttered image by their shape/colour?
Without seeing the image and without knowing what you specifically tried and did not work, I can only suggest to have a look her...

7 years ago | 0

Question


Cross-validation of single binary learners in multiclass classification (fitcecoc)
I am training a multiclass classification model based on SVM using the function <https://de.mathworks.com/help/stats/fitcecoc.ht...

7 years ago | 1 answer | 0

1

answer

Question


Why is SVM performance with small random datasets so high?
To understand more how SVMs work, I am training a binary SVM with the function fitcsvm, using a sample data set of completely ra...

8 years ago | 2 answers | 0

2

answers

Question


Rethrow a whole error as warning
Hi all I use a try-catch to capture error information and rethrow it as a warning to prevent program termination: % ...

9 years ago | 2 answers | 1

2

answers

Question


Overlapping region of a single ROI is excluded by the mask
Dear all I need to draw an ROI where I select a region that partially overlaps with the region already delimited by the same ...

9 years ago | 2 answers | 0

2

answers