How to search peaks and trough of a waveform?

I got a random sinusoidal waveform whose values are stored in an array. Is there any known algorithm or codes to search for the peaks or troughs of this waveform?
Thx:)

If you know the equation it's easy using differential equations. If you don't, then you'll just have to implement something of your own.

Similar Messages

3D Bar "peaks and troughs"

Hello
I am designing a website for a health company and plan to
make a hart monitor line with a 3D bar. Now I know how to make the
3D bar but how do I manipulate the 'peaks and troughs' (points) to
make it look like one long line? instead of many 3D bars positioned
to make points.
I hope this makes sence?
Thanks in advance

Blunda wrote:
> Hello
>
> I am designing a website for a health company and plan
to make a hart monitor
> line with a 3D bar. Now I know how to make the 3D bar
but how do I manipulate
> the 'peaks and troughs' (points) to make it look like
one long line? instead of
> many 3D bars positioned to make points.
>
> I hope this makes sence?
>
> Thanks in advance
If you are looking for a single line with peaks and troughs,
use the Pen
tool. Click down on the canvas to create a start point, and
then move up
and down, dropping a point at a time as you click across the
canvass.
Linda Rathgeber - Adobe Community Expert
http://www.adobe.com/communities/experts/members/8.html

How to search tables and views used in the code of oracle fmb 6i from another form???

Hii guys, this is a very interesting question and i hope that it will have ample amount of answers.
My requirement is to know the number of tables and views and backend functions/procedures which are used in the code written in the oracle forms 6i,
all i want is to display whole views, tables or functions/procedures which are written in the code of a particular fmb, i do have the path of that fmb and i want to read the code and search through it's entire code for the tables/views/backend procedures/functions written in the code. So how to search through the entire code of a particular form (6i) and make it display through another form.
I am using oracle forms 6i.
Please help me out....
With Regards:
Ankit Chandra

Here is a modified dealForm.jsp that merges the 2 steps - both symbol submission and Yahoo convert is done by it. Play with it and add your DB code to it:
<html>
<head><title>IPIB Database Selection</title></head>
<body bgcolor="#DFDFFF">
<H1><CENTER>IPIB Database Selection</CENTER></H1>
<font size=4>
<%@ page language="java" %>
<%@ page import="java.net.*,java.io.*,java.util.*" %>
<%
String symbol = request.getParameter("symbol");
if (symbol != null) {
String urlString = "http://finance.yahoo.com/download/javasoft.beans?SYMBOLS=" + symbol + "&format=ab";
try {
URL url = new URL(urlString);
URLConnection con = url.openConnection();
InputStream is = con.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String line = br.readLine();
StringTokenizer tokenizer = new StringTokenizer(line,",");
String name = tokenizer.nextToken();
name = name.substring(1, name.length()-2);
String price = tokenizer.nextToken();
price = price.substring(1, price.length()-2);
%>
<p>
Original line from yahoo <%= line %>
</p> <p>
Name: <%= name %>
</p> <p>
Price: <%= price %>
</p> <p>
Pub DB processing code from dealLoad.jsp here
</p>
<%
} catch (IOException exception) {
System.err.println("IOException: " + exception);
} else { %>
<form action="dealForm.jsp"method="GET">
<p>Enter Symbol: <input size="20" name="symbol">
<inputtype="submit" value="Submit">
</p></form>
<% } %>
</font>
</body>
</html>

How to search for and redact only the last part of a name. Like mith in Smith

Acrobat Pro 9 and Acrobat Pro X, how to redact only part of the last name. For example, if I search for the last name of Smith and only want to redact the mith part of the last name leaving the S.

Hello there,
As it seems to me the part of the URL you're looking fo,r corresponds actually to the name of the servlet, so why don't you just call the getServletName method?

How to search for (and get taken to) a specific SMS or iMessage?

Hi all,
I can't find a way to jump to a Specific part of a conversation position in the Messages app.
My phone has a few long conversations stored (often requiring 100 or more taps of the "load more messages" button to scroll all the way through) rather than a lot of short ones. And searching a specific keyword (say, from an SMS or iMessage i remember receiving a couple of weeks ago) in Spotlight or the Messages app search box returns specific results, so the phone is capable of locating a specific position in the conversation but I can't find a way to jump to it, if the queried text is behind the first "load more messages" wall - in these cases when I tap the search result, I'm taken to the end of the conversation, rather than the part of the conversation I searched for.. It basically teases you, telling you "yes, I can locate the text you want, but no, I won't take you to it" ;)
Am I missing something or are there external apps that can do it?
Thanks,
Chris

In the Finder press COMMAND-F to open a Spotlight search window. From the Kind dropdown menu select Other. When the attributes list appears scroll down to File Extension and check the box on the right. Click on the OK button. You should now see File Extension in the dropdown menu of the search window. Use this to search for files with the given extension.
You can also just do a simple search for an extension.

How to use offset and multiplier property in waveform graph?

hello,
i m using a waveform graph and wanted to update its x-axis scale depending on the multiplier value. Also how this
formula of offset n multiplier works (deltaX)*X+X0? What is delta X and X?
Regards,
vijtin
Solved!
Go to Solution.

hi,
X0 is the offset and X is the multiplier. So the graph will start at a cetain offset and will aa to that the delta value times the multiplier.
e.g.
If you would have these normal X-values : 0 ; 1 ; 2 ; 3 ; 4 ; 5 and a multiplier of 2 and ofset of 5 you would get the result on the X-as = 5 ; 7 ; 9 ; 11 ; 13
Hope this helps
Kind regards,
- Bjorn -
Have fun using LabVIEW... and if you like my answer, please pay me back in Kudo's
LabVIEW 5.1 - LabVIEW 2012

How to search for password policy

Hello,
Using DS 5.2:
I've created a test policy, dn: cn=Test Policy,ou=People, o=xxx, o=isp. I can apply the policy, I can see the policy in my backup ldifs, but I can't figure out how to search for and display it (and eventually, delete it) either from the command line using ldapsearch or form within the admin gui. Any help?

What I would like to do is query my 8i instance for the current password policy
Can anyone provide a query to retrieve this info?connect as sys
in Oracle 8i and issue the command;
select object_name,object_type from all_objects where object_name like '%PASS%';
and
select object_name,object_type from all_objects where object_name like '%POLICY%';
I think , i'm not sure these policies would be transfered to 10g through migration except -if any- some of them are obsolete to 10g!!!!!
Regards,
Simon

How to search a special string in txt file and return it's position in txt file?

How to search a special string in txt file and return it's position in txt file?

I just posted a solution for a similar question here: http://forums.ni.com/ni/board/message?board.id=170&view=by_date_ascending&message.id=362699#M362699
The top portion can search for the location of a string, while the bottom portion is to locate the position of a character. Both can search for a character.
The position of the character within the file is displayed in the indicator(s).
R

How to search and replace a string in Excel Shape (textbox) using Powershell.

I have been asked to write a PS script to search/replace a string when found in Excel Shapes when they are textboxes. I have seen lots of simplistic PS scripts and even I can do a "foreach" loop through all the Shapes on a Sheet and display the
Name of each Shape. But I have not found a property or method to expose the actual text in a textbox let alone change it.
I have seen vba script that does this as:
Set xWs = Application.ActiveWorkbook.Worksheets(I)
For Each shp In xWs.Shapes
xValue = shp.TextFrame.Characters.Text
shp.TextFrame.Characters.Text = VBA.Replace(xValue, xFindStr, xReplace, 1)
Next
In Powershell, shp.TextFrame.Characters.Text is ignored and returns nothing. It would be nice to know if this is possible in PS and if so, know how to do it and/or get an example to work from. I would have thought that
PS and VB would use the same Excel object model but apparently they do not.
I am using Excel 14.0 and PS 3.
Any suggestions would be appreciated,
Michael

This didn't work for me. I have the shape object and it shows the textframe property:
PS C:\> $shape | gm
TypeName: System.__ComObject#{00024439-0000-0000-c000-000000000046}
Name MemberType Definition
Apply Method void Apply ()
CanvasCropBottom Method void CanvasCropBottom (float)
SoftEdge Property SoftEdgeFormat SoftEdge () {get}
TextEffect Property TextEffectFormat TextEffect () {get}
TextFrame Property TextFrame TextFrame () {get}
TextFrame2 Property TextFrame2 TextFrame2 () {get}
ThreeD Property ThreeDFormat ThreeD () {get}
But trying to access it gives an error:
PS C:\> $shape.textframe | gm
gm : You must specify an object for the Get-Member cmdlet.
At line:1 char:20
+ $shape.textframe | gm
+ ~~
+ CategoryInfo : CloseError: (:) [Get-Member], InvalidOperationException
+ FullyQualifiedErrorId : NoObjectInGetMember,Microsoft.PowerShell.Commands.GetMemberCommand
PS C:\> $shape.TextFrame.Characters().text="hello"
You cannot call a method on a null-valued expression.
At line:1 char:1
+ $shape.TextFrame.Characters().text="hello"
+ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo : InvalidOperation: (:) [], RuntimeException
+ FullyQualifiedErrorId : InvokeMethodOnNull
I hope this post has helped!

I have Adobe Reader XI with the package that allows me to send pdfs and convert pdfs to Word. When I open a pdf and try to search the search shows no matches even though the word I am searching for is in the document. Any suggestions how to search?

I have Adobe Reader XI with the package that allows me to send pdfs and convert pdfs to Word. When I open a pdf and try to search the search shows no matches even though the word I am searching for is in the document. Any suggestions how to search?

Once again, my thanks for your assistance. If I may impose on your generosity one more time, if I understand you correctly if I create a document on Word or WordPerfect, print it and scan it to create a pdf, the search function will not work. But, if I create the pdf document in Word the search function will work. Unfortunately, I am not sure how I create a pdf document in Word other than by printing it and scanning it. Could you please explain.
William B. Kohn, Esq.
General Counsel
Paul V. Profeta & Associates, Inc.
769 Northfield Avenue
Suite 250
West Orange, New Jersey 07052
(973) 325 - 1300
(973) 325 - 0376 (Facsimile)
[email protected]<mailto:[email protected]>

In a FORM search box that i have data saved, how can I go and see what is saved and edit it?

In a FORM search box that i have data saved, how can I go and see what is saved and edit it? Sometimes when I'm doing maintenance it all gets deleted and I would like to be able to see what I have saved before it gets deleted.

Try this - Form History Control extension: <br />
https://addons.mozilla.org/en-US/firefox/addon/12021/

On a website clicking on highlighted text in blue, the browser should take you to info on that subject. My Firefox opens a blank page and says "search history and bookmarks." How can I make it go to the info highlighted in blue text? Ver 3.6.15

Usually the browser will take the user to info pages when a click on blue text is done. My browser just opens a blank page and has "search history and bookmarks and then just sits there. I can change that so it will do nothing and the message is "type a web address". It used to work fine. How can I fix this.

Start Firefox in [[Safe Mode]] to check if one of the add-ons is causing the problem (switch to the DEFAULT theme: Tools > Add-ons > Themes).
* Don't make any changes on the Safe mode start window.
See:
* [[Troubleshooting extensions and themes]]

How to search for files using wildcards * and ?.

Hi All,
I've been searching the forum for a couple of hours now and have been unable to find a good example of how to search a directory (Windows OS) for a file using wildcards * and/or ?. Does anyone out there have a good example that they can share with me?
Thanks

Hi All,
First of all I want to thank everyone for taking the time to respond to my question. All of your responses where greatly appreciated.
I took the example code that was posted by rkconner, thanks rkconner, and modified it to allow me to search for files in a directory that contain * and/or ?. Yes, I said and/or! Meaning that you can use them both in the same file name, example: r??d*.t* would find readme.txt.
I've posed my complete and thoroughly document code below. I hope it is very helpful to other as I have searched many forums and spent many hours today trying to resolve this problem.
Enjoy
* File Name: WildcardSearch.java
* Date: Jan 9, 2004
* This class will search all files in a directory using the
* asterisk (*) and/or question mark (?) as wildcards which may be
* used together in the same file name. A File [] is returned containing
* an array of all files found that match the wildcard specifications.
* Command line example:
* c:\>java WildcardSearch c:\windows s??t*.ini
* New sWild: s.{1}.{1}t.*.ini
* system.ini
* Command line break down: Java Program = java WildcardSearch
*                          Search Directory (arg[0]) = C:\Windows
*                          Files To Search (arg[1]) = s??t*.ini
* Note: Some commands will not work from the command line for arg[1]
*        such as *.*, however, this will work if you if it is passed
*        within Java (hard coded)
* @author kmportner
import java.io.File;
import java.io.FilenameFilter;
public class WildcardSearch
     private static String sWild = "";
      * @param args - arg[0] = directory to search, arg[1] = wildcard name
     public static void main(String[] args)
          String sExtDir = args[0]; // directory to search
          sWild = args[1];   // wild card to use - example: s??t*.ini
          sWild = replaceWildcards(sWild);
          System.out.println("New sWild: " + sWild);
          File fileDir = new File(sExtDir);
          File[] arrFile = fileDir.listFiles(new FilenameFilter()
               public boolean accept(File dir, String name)
                    return (name.toLowerCase().matches(sWild));
          for (int i = 0; i < arrFile.length; ++i)
               System.out.println(arrFile.getName());
     }     // end main
     * Checks for * and ? in the wildcard variable and replaces them correct
     * pattern characters.
     * @param wild - Wildcard name containing * and ?
     * @return - String containing modified wildcard name
     private static String replaceWildcards(String wild)
          StringBuffer buffer = new StringBuffer();
          char [] chars = wild.toCharArray();
          for (int i = 0; i < chars.length; ++i)
               if (chars[i] == '*')
                    buffer.append(".*");
               else if (chars[i] == '?')
                    buffer.append(".{1}");
               else
                    buffer.append(chars[i]);
          return buffer.toString();
     }     // end replaceWildcards method
}     // end class

When I am searching for any particular song or album from my shared ITUNES folder, the search is conducted in the apple store and not on the shared library. How to search for the song in the shared library

I am using IPAD Mini.When I am searching for any particular song or album from my shared ITUNES folder, the search is conducted in the apple store and not on the shared library. How to search for the song in the shared library

Search for shared library is impossible, as far as I know. Searches supported - are local and internet.

How do I search for and remove empty folders?

I would love any help. I've spent about 6 hours yesterday looking for a solution for this project...
PROBLEM:
I'm trying to organize a 6GB file library of sheet music documents.
After using Gemini to find and delete duplicate files, I'm left with hundreds of empty folders and files spread across the folders in odd locations.
How do I find and delete all the empty folders?
My hope is to remove all the empty folders and then manually reorganize the files.
This will probably take quite a few hours.
Here is an example of the mess. The folders currently look something like this:
Music Library 1 > Kids Songs > Easy > Empty Folder
Music Library 2 > Kids Songs > Easy > "Ode To Joy.mus" and other files are here
Music Library 3 > Kids Songs > Intermediate > Intermediate songs files are here
A better / larger question might be - What is the best way to organize this mess?
Is there a good file manager for organizing these documents? We run a music school and are trying to set it up for multiple teachers to organize their files and sort by a few different tags like: Difficulty, Genre, Teacher Name, Composer name etc.
Thank you so much for any help!

I'm afraid the ability to find empty folders is a wee bit complicated, and quite simply is completely broken in Mavericks. Just because a folder appears to be empty, doesn't mean that it is--if it was ever opened it will have an invisible .DS-Store file inside. For instance, in Snow Leopard if I do a search on the Desktop folder for Kind is Folder, plus Number of Items is less than two, I get two folders, both are empty but one I just created and never opened, and the other I created some time ago and later tossed the contents, which means that it has a .DS-Store file. Both show "No Items" in Icon view. If I modify the Number of Items to "equals 0" only the newly created and unopened folder "empty" shows up. If I try the same thing in Mavericks I get no sensible results at all in any set of search parameters.
The moderator at Houdah Software reports: "Spotlight on Mavericks reports a value of 1 for "Number of Items" (kMDItemFSNodeCount) for all folders." He says he has reported it as a bug. Evidently it is not yet fixed.
Francine

How to search peaks and trough of a waveform?

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