Initialize the array, then using a feedback node to replace items

Similar Questions

• Initialize the array 1 d with predetermined values

  Hi all

  I'm pretty new to the comm suite, but I'll have one (probably simple) question about the initialization of a constant matrix of 1 d. Suppose I want to create a constant 1 d of the matrix of size M and I want to boot with some predetermined values. Is there an easy/effective way to do it? Initializing one is rather heavy, especially for the great Mr. also, how can I initialize such constant on a Traget FPGA?

  I've seen that for example for metering screws, it is possible to define a constant flow of data and initialize it with a .cvs file. Is there a similar possibility to initialize a constant matrix of 1 d?

  See you soon,.

  Steve0

  Hi Steve0,

  I found a quick solution and dirty to do this, as there is not a clear method to implement a constant matrix arbitrarily large. You can generate an array, but you prefer, my example is seen below:

  

  Then go to the front, right click on the indicator and select "capture". From there, this table will be available on your range of data to drop as a constant of other VI in this project. You can also do the same with a CSV file by writing your CSV file to a flag and then enter the data to use.

  BeenCoughin

• initialize the array index

  Hello!

  I'm new to LabView and I am struggling with this problem for a few days...

  I have a 2D x CH spike_time table and on each line (table 1 d), I need to implement logic that requires the ability to dynamically initialize the two indexes.

  To be more clear, if I says each line of the table 2D with CH, it is the logic I should apply on each line:

  i = 0;

  while I<=>

  {j = i + 1;

  While ch (j) AND (i) - ch (j) ch<= inter_spke_interval="" and="" j=""><=>

  {j = j + 1 ;}

  If j - i + 1 > = min_burst_size then save (i, j);
  I have = j;

  }

  What is the best way to apply this logic in labview?

  How can I manipulate the value of the indxes, i and j to initialize as in the code? I tried to use the "Subset of the table" function in order to 'cut' subset of the line from i and j and records the SHIFT to pass again the subset as the loop, but I couldn't a solution anywhere nearby.

  If someone could share some ideas with me or has a similar vi useful, I would be very grateful!

  Thank you very much!

  Hi MG,.

  I already said you can use SHIFT registers to store I and j!

• USB mouse will not be in service to initialize the top when used through Dynadock on Satellite Pro U200

  The USB mouse not is won't boot on initialize top when used through Dynadock on Satellite Pro U200. If the mouse is reinstalled on the Dynadock it works fine. I use a Kensington Valuoptical USB mouse. I tried the alternative kensington mouse and had the same problem. Can someone tell how to fix this?

  Hi Jeremy

  Unfortunately I don't have a solution to your problem, but it can also be a technical limitation. I'm also interesting to buy this docking station and I would like to know if there is the same problem with memory external HDD or USB sticks.

• Button, which initializes the values then releases control of more Boolean values

  I want to create a button that turns on a series of other buttons, but then releases the control to allow individual switching. The problem is that for my project I need to run the labview file continuously so when I change a control to true switch it keeps the value of the other true Boolean values. For example, I flick a switch to turn on all the lights at the same time but want to and then later have the power of the special lights individually. Then also have the option to turn off all the lights again with a click of a button. I can't understand this. I don't have much so far, sorry for that.

  Like this?

• MathScript NaN initialize the array LV 8.6

  For those of us who bought LV 8.2 - 8.6 Mac OS Suite of Dev, the mathscript module won't boot has a table with NaN.

  It's

  c = Nan (m, n)

  and

  repmat (NaN, m, n)

  are broken.

  The only work around I can find is to replace a number, for example '0 ':

  InT = repmat(0,m,n); InT (= NaN;)

  Would appreciate any other workaround to create an m x n array of NaN.

  Hi wjdwyer,

  This has been fixed in more recent versions of MathScript, but for older versions, another workaround potential that I could meet you multiply nan by a table that already exists (see below). I know that's not ideal, but if all goes well it will at least give you an alternative.

  A = nan * repmat(1,m,n);

• How can I programmatically set the delay of a feedback node?

  I'm generating a sine wave using the vi simulate Signal Express. I then use a feedback node to delay the signal of a specific amount. The front displays 2 charts: one of the original signal and another of the delayed signal.

  The problem is that I will determine the amount of delay based Boolean user entry rather than having to set by using the configuration box (the time will be 4000 if the user chooses "real" and 2000 if the user chooses "fake". I do this with a box structure. How can I use the delay printed by the case structure to control the delay of feedback node?

  I'm relatively new to Labview, so maybe there is a better way to reach my goal of using a Feedback node. Any ideas are appreciated!

  Take a look at this response, "Is there a period of dynamic for nodes of z comments?"

• BT 6.1 feedback node?

  I have an old map OR old that I use, it is an ISA PC1200 card, I only got to work with LabView 6.1.  I have a very simple question, and it's driving crazy me.  I have a WHILE loop running action.  In an iteration of the loop, he solves a number.  How can I keep the number of the next iteration of the loop?  In a more recent version of LV, I used a feedback node to do this, but I do not see 6.1.

  It's a simple thing, but I can't find the solution.  In a BASIC program that it would simply be a variable.  Any ideas?

  6.1 there shift registers? Right-click on the left border of the while loop and see if the shift register to add is an option.

  -AK2DM

• Spit Lightroom 4.3 when using the brush after using the red eye tool

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  It seems something funny on your establishment for sure that there is not a wide spread thing.

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• How to change the value of the array element by using the property node

  Hello all :)

  IM using a table in the drop-down list box. the size of the array is not fixed.

  I want property strings [] from the drop-down list box to enter text in selection, but since I placed it inside the table im unable to use this property.

  I used 'arrayelem' reference property and property node connected to it but got no strings [] in the selection.

  so is it possible that I can use property strings]

  
  

• Feedback node initializer ignored?

  Hello

  I have a feedback node sitting in a loop, the number of iterations is determined by a table of entry. The same input array is connected to a terminal of the initializer of the Feedback node.  The delay of feedback node is equal to 3 and still output the node contains only the first value in the array for the first 3 iterations. It is easier to show than describe them.

  

  So I expect the output array to hold the values 3,1,0,0,1,2 and yet it actually contains 3,3,3,0,1,2

  If I have the scalar value 99 wiring to the initializer then I get the EXPECTED 99,99,99,0,1,2

  What Miss me?

  It comes to LabVIEW 2011 for MAC OS X

  To develop the Swatts answer a little more.  You are in fact only during the initialization of the feedback with a single element node because you have the array of automatic indexing in the tunnel of the loop.

  If you powered the table in its entirety in the loop For and the initializer of terminal, the way you would expect it would have worked.

  

• How re - initialize an array with the new values at run time?

  Hello

  In this application of particluar I want to change the value of a particular index (Ex: 4th move in a 1 d table) and store the changed value (Inremented) in the same index position.

  I wrote a program, can someone tell what I am doing wrong?

  LabVIEW version: 8.6

  Screenshot kindly updated instead of .vi

  Two things.

  First of all:

  You must initialize the table (via the feedback loop).

  Click with the right button on the wire of the array and create constant.  Move the index of item 99.  Initialize element 0.  This thread up to the lower part of the feedback node.

  Second:

  You use an Insert in the table VI, but it's not describe what you try to do.  While he places an element in the position shown is also increases the size of the table.

  This change to a subset of table replace VI.

• Need help on how to create the transformation of the Park by using the MathScript node?

  Hello

  I want to generate a transformation of the Park by using the MathScript node. But there is an error message which confused me. Please can someone help me to have a look of my program? Thank you!

  The error message is "error-90011 occurred in error in the function mail to line 1.  The sizes of the input matrices are incompatible.
  Check that the matrices have the same size or one is a scalar.

  Possible reasons:

  LabVIEW: Sizes of the input matrices are incompatible.  Check that the matrices have the same size or that one is a scalar".

  Hello

  The problem is that all of your entries to the MathScript node are vectors.  All entries of the vector to the MathScript node becomes vector lines.  A multiplication of two vectors lines generates a size mismatch error.  If you really want a scalar of this multiplication of output (by calculating the dot product of vectors), then you have to bring your 'a', 'b' and 'c' vectors or your vector of 'x '.  If you want everything just multiply your elementwise vectors and produce an output vector, you must use the elementwise multiplication operator '. *' (time point).  Use this operator between your 'a', 'b' and 'c' vectors and your calculation of fishing.  For example, on your first line,
  d = (2/3)*a.*(sin(x))+(2/3)*b.*(sin(x-(2*pi/3)))+(2/3)*c.*(sin(x+(2*pi/3)));

  Don't forget to also change your output to a 1 d of DBL array variables.  You can do this by right-clicking on the output variable and selecting "Choose Data Type."

  Grant M.
  Staff software engineer | LabVIEW Math & Signal Processing | National Instruments

• How clone a HARD drive and then use the clone with VMware (as well as Windows works!)?

  I have a system where Windows 7 is installed, and I'm doing a clone of her image of HARD drive, I then want to use in my main with VMware PC, so that I can start Windows 7 at the cloned disk.

  I used Ultimate Boot CD v5.1.1 with which HDD I wanted to clone, and I cloned using EaseUs Disk Copy, which comes with Ultimate Boot CD. The source HARD drive was 250 GB in size which had 3 partitions, while the USB HDD I have attached to the system, which was supposed to be the disk of destination/clone, was 320 GB in size. I chose to create a replica, exact and up to 250 GB of data (partitions, etc.) has been copied exactly, and the rest of space was not allocated. I have now connected this USB HDD to my main PC, shot to the top of VMware Workstation 8 and defined a new Virtual Machine and chose to boot from the USB HDD.

  The result is that when Windows starts (from the cloned HDD inside VMware), I get the blue screen error until I get to the login screen.

  How can I change my methodology so that Windows starts even on the clone? I can change the tools I use, etc.

  You can use the usb drive is
  you only need to patch the system a little registry
  to do this, you start the virtual machine with the usb drive in a restore win7 CD, and then follow the instructions I posted here
  http://sanbarrow.com/p2v2008r2.html

  Patching - easy Variant

  This procedure is used when otherwise the VM would start in a kind of bluescreen 7B.
  This means that VMware is the target and that you configure the computer virtual with VirtualHardware type 7.
  It applies only if the virtual disk is configured like this
  scsi0.virtualDev = "lsisas1068".
  scsi0:0. FileName = "imported.vmdk".

  On the platform target start the virtual machine, newly created in the Windows 7 recovery CD.
  After the initialization is complete, click CMD and run regedit.
  Select HKLM, then Menu > file > load hive.
  Navigate to the Windows directory on the virtualdisk > system32\config and select the file SYSTEM.
  When asked for a name enter p2v.
  Then find the key

  HKLM\p2v\ControlSet001\services\LSI_SAS

  and the startup type of the REG_DWORD value 0
  Select HKLM\p2v, and then click Menu > file > unload hive.
  You can now close regedit and restart.
  The next time you start, you can start in the 2008 R2 system. He should find the drivers and probably need to reboot when finished.