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Last seen: 2 months ago Active since 2011

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Answered
standard deviation takes for ever
calculating statistical std takes more memory than calculating mean. If performing std on double formatted large data sets, it l...

7 months ago | 0

| accepted

Question


standard deviation takes for ever
I have a double precision numeric 3D matrix M (converted by fread from uint8) of size 30000 x 500 x 500 I would like to get st...

7 months ago | 2 answers | 0

2

answers

Question


concatenate array of structures with same field names
Hi I am reading datafile from a camera which spits out data in a certain format - about several Gb's in size. The output fo...

10 months ago | 1 answer | 1

1

answer

Question


Retriggerable pulse generation in NiDAQ
Hi, i am having trouble figuring out how to set retriggerable pulse generation. I can generate continuous pulse from a counte...

1 year ago | 0 answers | 0

0

answers

Answered
Matlab gigE and gentl issues with Lucid Vision Camera
It appears this issue is resolved thanks to Matlab Image Acquisition toolbox support team. The best recourse to use 10G Lucid v...

1 year ago | 0

| accepted

Answered
Matlab command to set PFI as Sampleclock on a USB DAQ?
use a triggered counter output on both DAQ's.

1 year ago | 0

| accepted

Question


Matlab gigE and gentl issues with Lucid Vision Camera
Hi I think this is up in Matlab's court? Can someone from Image Acquisition Toolbox team help us here? Lucid team identifie...

1 year ago | 1 answer | 0

1

answer

Answered
missing PacketDelay in Gentl with Lucid Camera
Bump? I have more information... Lucid team identified a problem with Matlab reading LUCID camera features. They have done ...

1 year ago | 1

Question


missing PacketDelay in Gentl with Lucid Camera
Hi, I am able to run Lucid vision camera using Gentl driver. however, I am not seeing the field 'PacketDelay' in the src struc...

1 year ago | 1 answer | 0

1

answer

Question


Matlab command to set PFI as Sampleclock on a USB DAQ?
Hi, How do I declare PFI12 for example as sampleclockterminal when PFI0 is declared as sampleclock.source? What is the Matlab s...

1 year ago | 1 answer | 0

1

answer

Question


Is there a way to reduce Timer period to less than 1 ms?
I am trying to reduce timer(‘period’) to less than 0.001 if possible. In this forum link https://www.mathworks.com/matlabcentral...

1 year ago | 1 answer | 0

1

answer

Question


How can I reduce minimum wait() time?
I am using wait(obj,state,time-out) minimum timeout is 0.01. If I use any value below 0.01, it defaults to 0.01 seconds. Is ther...

1 year ago | 1 answer | 0

1

answer

Question


Cannot get images from gigE camera
We just purchased a Lucid vision GigE camera. Vendor website shows how to use Matlab + GigE vision software to connect to it. W...

1 year ago | 0 answers | 1

0

answers

Answered
Loren's blog on datastore. How should I use counterSize and done?
I think I figured out some of the answers... I need later versions of Matlab to get 'partial read' enabled using 'read mode'. ...

2 years ago | 0

Question


Loren's blog on datastore. How should I use counterSize and done?
I am trying to use datastore in Matlab v2018b but it does not have 'partialread'. I am trying to replicate Loren's code (https:...

2 years ago | 2 answers | 0

2

answers

Question


Datastore for reading large binary files versus incremental fread
I am trying to understand why should I be using Datastore to read 100Gb binary file (other than exceeds memory capacity of RAM)?...

2 years ago | 2 answers | 0

2

answers

Question


speeding up using cellfunction and arrayfun versus for-loop
I find that cellfun and arrayfun is slower by 1.6x. Trying to understand why is that? I have a data matrix DM of size(4 x 2e8)...

2 years ago | 1 answer | 0

1

answer

Question


Very confused about MLE
Matlab has the MLE tool : mle(data,pdf) I have a custom distribution :pdfM I have generated data the following way: [size of d...

3 years ago | 1 answer | 0

1

answer

Answered
How does matlab do maximum likelihood on custom functions?
Hi, I would like to explore the above question further... If I use a standard distribution listed in Matlab document and not m...

3 years ago | 0

Question


Vimba -Matlab issue - GigE camera. Requesting a 2018 patch
Camera: Allied Vision Prosilica 6600. Works OK with AVT Vimba Viewer and AVT Acquire Control. In MATLAB 2018b, camera shows up ...

5 years ago | 1 answer | 0

1

answer

Question


Selecting arbitrary sequence of rows from a matrix
A=100000x1 made of numbers <3000 : A=[2345,123,4000, etc...] B=5000x100000 an array of numbers given; Select A out of B(:,...

5 years ago | 0 answers | 0

0

answers

Question


Registration using CV Toolbox
Hi, I have two 3D point clouds. The two are partially overlapped i.e., ~<50% of the data has an overlap and the rest does not. ...

7 years ago | 0 answers | 0

0

answers

Question


mex with g++4.8 with Boost issues
I am trying to build a mex file on OS X with gnu++-4.8. But ending up with error msg. In the command line it links to libc++. I ...

7 years ago | 1 answer | 0

1

answer

Answered
mexopt.sh not functional in R2016?
Instead edit the xml files e.g., mex_C++_maci64.xml if using C++

7 years ago | 0

| accepted

Answered
mex with g++4.8 with Boost issues
This is resolved. In Matlab R2016a mexopts.sh in ~/.matlab folder has no function. Do not create a copy of it. Instead one shoul...

7 years ago | 1

| accepted

Question


mexopt.sh not functional in R2016?
Hi, I copied mexopt.sh onto my home folder on mac OS X running R2016 Matlab. I edited it to enable CXX flag 'xcrun /usr/local...

7 years ago | 1 answer | 0

1

answer

Question


integer parameter in lsqcurvefit
Hi, I am trying perhaps something foolish but let me pose the question anyway. I am trying to fit a data whose model is an unk...

11 years ago | 1 answer | 0

1

answer

Question


'import class' statement not working inside a function
Hi, I have a function declaration. In that function I add .NET library. When I try to use import, Matlab gives error 'functi...

11 years ago | 0 answers | 0

0

answers

Answered
passing hex data to .NET
Thanks, it worked!

11 years ago | 0

Question


passing hex data to .NET
Hi, This is quite basic but I am missing it. An object in C# has to be passed a value, which is an operational code '0x20'. ...

11 years ago | 2 answers | 0

2

answers

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