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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...

9 mesi fa | 0

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Domanda


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...

9 mesi fa | 2 risposte | 0

2

risposte

Domanda


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...

circa un anno fa | 1 risposta | 1

1

risposta

Domanda


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...

oltre un anno fa | 0 risposte | 0

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Risposto
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...

oltre un anno fa | 0

| accettato

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

oltre un anno fa | 0

| accettato

Domanda


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...

oltre un anno fa | 1 risposta | 0

1

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Risposto
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 ...

oltre un anno fa | 1

Domanda


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...

oltre un anno fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre un anno fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre un anno fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre un anno fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre un anno fa | 0 risposte | 1

0

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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'. ...

oltre 2 anni fa | 0

Domanda


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:...

oltre 2 anni fa | 2 risposte | 0

2

risposte

Domanda


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)?...

quasi 3 anni fa | 2 risposte | 0

2

risposte

Domanda


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)...

quasi 3 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 3 anni fa | 1 risposta | 0

1

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Risposto
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...

oltre 3 anni fa | 0

Domanda


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 ...

oltre 5 anni fa | 1 risposta | 0

1

risposta

Domanda


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(:,...

oltre 5 anni fa | 0 risposte | 0

0

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Domanda


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. ...

oltre 7 anni fa | 0 risposte | 0

0

risposte

Domanda


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 ...

oltre 7 anni fa | 1 risposta | 0

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

oltre 7 anni fa | 0

| accettato

Risposto
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...

oltre 7 anni fa | 1

| accettato

Domanda


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...

quasi 8 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

oltre 11 anni fa | 1 risposta | 0

1

risposta

Domanda


'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...

oltre 11 anni fa | 0 risposte | 0

0

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

oltre 11 anni fa | 0

Domanda


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'. ...

oltre 11 anni fa | 2 risposte | 0

2

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