How can I write mathematical formulas?

How can I write mathematical formulas?
I tried tu use the formula editor of ms word with paste and copy but it didnt work, because the formula
was not in line with the text.

I was able to use Word's equation editor; just type in the formula and copy it into the Pages document.
I've heard you can do the same thing with the equation bar in Grapher utility, but I haven't tried that.
Other options involve LaTeX, which is a typesetting program. I've looked at that but haven't really explored it.

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How can I write mathematical equations on Pages?

Hi!
I'm doing a project for the university and I need to write mathematical equations. How can I do it using Pages?
Thank you very much!

Bonjour,
Generally for mathematical expressions you may use :
   • Character viewer for a few simple fractions and some signs ;
   • The Equation Editor of Grapher.app in Applications > Utilities ;
   • MathType free for 30 days, then becoming MathType Lite free for life as good as the Equation Editor of Microsoft Office 2011 ;
   • The Microsoft Office Equation Editor : Microsoft Office 2011 > Office > Equation Editor.app.
To use Grapher.app : free documentation (French and English) on website
<http://y.barois.free.fr/grapher/>
Au revoir,
YB24

How can I write a program that compiles without warnings?

I tried the following with the 1.5 beta-compiler (build 28; I think):
class Y {
     public static final class Pair<X,Y> {
       private X fst;
       private Y snd;
       public Pair(X fst, Y snd) {this.fst=fst; this.snd=snd;}
       public X getFirst() { return fst; }
       public Y getSecond() { return snd; }
       public String toString() { return "("+fst+","+snd+")"; }
public static void main(String... args) {
     Pair[] pairArr = new Pair[10];              // supposed to be an array of Pair<Integer,Integer>
     for (int i=0; i<pairArr.length; i++)
         pairArr[i] = new Pair<Integer,Integer>(i,i);
     for (int i=0; i<pairArr.length; i++) {
         Pair<Integer,Integer> p = pairArr; // unchecked warning
     System.out.println(p);
     Integer first = p.getFirst();
     Integer second = p.getSecond();
// ... more stuff ...
It turns out that I get an unchecked warning when I extract an element from the array of pairs. Okay, that's fine. How can I avoid the warning? I had expected that an explicit cast would help.
Pair<Integer,Integer> p = (Pair<Integer,Integer> )pairArr;
With a cast I'm telling the compiler: "I _know_ what I'm doing; please trust me." But the compiler still issues a warning.
How can I write a warning-free program in this case? The only thing I can think of, is not using the parameterized type Pair in its parameterized form. But it's not the idea of Java Generics that I refrain from using parameterized types. What am I missing?

It turns out that I get an unchecked warning when I
extract an element from the array of pairs. Okay,
that's fine. How can I avoid the warning? I had
expected that an explicit cast would help.
Pair<Integer,Integer> p = (Pair<Integer,Integer>
)pairArr;
With a cast I'm telling the compiler: "I _know_ what
I'm doing; please trust me." But the compiler still
issues a warning. Yes, but at least you were able to change the warning from "unchecked assignment" to "unchecked cast" which is a little shorter ;-)
Seriously , since arrays of generic types are disallowed, there is probably no way to get rid of these warnings - which makes a strong point for eliminating "unchecked" warnings altogether (see the other thread "selectively suppressing compiler warnings")
Cheerio,
Gernot

How can I Write a sine wave in an Access-file?

I measure a sine wave in LabView 6i. How can I write the datas automatically to an Acces-file, at the same time?
In my program, I managed it with Execute SQL.vi, I change a number in a SQL statement(String) -> after this I push start and then it writes the statement in the Access-file.
The problem is, it writes only one data per measurement in the file. How can I write all datas in the Access-file and measure the wave at the same time?
Thanks for help!
Attachments:
getwave.vi ‏49 KB

On the waveform palette, you will find a "to components" vi that you can break out the array of the waveform. You can then, using a for loop write all of the values from the waveform.
Better yet, there are examples in the database toolkit manual on pages 3-13 to 3-15 that deal with reading arrays (and even has a waveform example).
Good luck!

How can i write the below code using "For all entries"

Hi
How can we write the below code using "for all entries" and need to avoid joins...
Please help
SELECT aaufnr aobjnr aauart atxjcd a~pspel
agstrp awerks carbpl cwerks
INTO TABLE t_caufv
FROM caufv AS a
INNER JOIN afih AS b
ON aaufnr = baufnr
INNER JOIN crhd AS c
ON bgewrk = cobjid
AND c~objty = 'D'
WHERE ( a~pspel = space
OR a~txjcd = space
OR NOT a~objnr IN
( select OBJNR from COBRB AS e
WHERE objnr = a~objnr ) )
AND a~werks IN s_plant
AND a~auart IN s_wtype
AND NOT a~objnr IN
( select OBJNR from JEST AS d
WHERE objnr = a~objnr
AND ( dstat = 'A0081'OR dstat = 'A0018' )
AND d~inact 'X' ).
Reward points for all helpfull answers
Thanks
Ammi.

Hi,
SELECT objnr objid aufnr
        from afih
        into table t_afih.
SELECT objnr
        from JEST
        into table t_JEST
        where stat = 'A0045'
           OR stat = 'A0046'
           AND inact 'X'.
SELECT objnr
        from COBRB
        into table t_cobrb.
SELECT arbpl werks objid objty
      from crhd
      INTO table it_crhd
      FOR ALL ENTRIES IN it_afih
      WHERE objty eq 'D'
      AND gewrk = it_afih-objid.
SELECT aufnr objnr auart txjcd pspel gstrp werks aufnr
        FROM caufv
        INTO table t_caufv
        FOR ALL ENTRIES IN it_afih
        WHERE aufnr = it_afih-aufnr
          And pspel = ' '
          AND txjcd = ' '
         ANd objnr ne it_crhd-objnr
          AND auart in s_wtype
          AND werks in s_plant.
         AND objnr ne it_jest-objnr.
dont use NE in the select statements, it may effect performance also. Instead use if statements inside
loops.
loop at t_caufv.
read table it_chrd............
if t_caufv-objnr ne it_chrd-objnr.
read table it_jest..........
   if   if t_caufv-objnr ne it_jest-objnr.
    (proceed further).
   endif.
endif.
endloop.
hope this helps.
Reward if useful.
Regards,
Anu

How can I write into a table cell (row, column are given) in a databae?

How can I write into a table cell (row, column are given) in a database using LabVIEW Database Toolkit? I am using Ms Access. Suppose I have three columns in a table, I write 1st row of 1st column, then 1st row of 3rd column. The problem I am having is after writing the 1st row 1st column, the reference goes to second row and if I write into 3rd column, it goes to 2nd row 3rd column. Any suggestion?
Solved!
Go to Solution.

When you do a SQL INSERT command, you create a new row. If you want to change an existing row, you have to use the UPDATE command (i.e. UPDATE tablename SET column = value WHERE some_column=some_value). The some_column could be the unique ID of each row, a date/time, etc.
I have no idea what function to use in the toolkit to execute a SQL command since I don't use the toolkit. I also don't understand why you just don't do a single INSERT. It would be much faster.

I write digital port by 'DAQmx Configure Logging.vi' and receive TDMS file with 8 boolean channels. How can I write to 1 integer channel?

Hello!
I want to write 1 digital port from PXI-6536 with streaming to TDMS file.
I'm writing by 'DAQmx Configure Logging.vi' and become TDMS file with 8 boolean channels.
How can I write to 1integer channel?
Attachments:
1.JPG ‏27 KB

Hey Atrina,
The actual data stored on disk is just the raw data (that is, a byte per sample in your case). It's really just a matter of how that data is being represented in LabVIEW whenever you read back the TDMS file.
I'm not sure if there is a better way to do this, but here is a way to accomplish what you're wanting:
Read back the TDMS file as a digital waveform. Then there's a conversion function in LabVIEW called DWDT Digital to Binary. This function will convert that set of digital channels into the "port format" that you're wanting. I've attached an example of what I mean.
Note: When looking at this VI, there are a few things that the downgrade process did to the VI that I would not recommend for these TDMS files. It added a 1.0 constant on the TDMS Open function, and it set "disable buffering" on the TDMS Open function to false; you can get rid of both of those constants.
Message Edited by AndrewMc on 01-27-2010 11:21 AM
Thanks,
Andy McRorie
NI R&D
Attachments:
digitalconvert.vi ‏13 KB

I am connecting an external USB HDD and I can see it on my Apple Macbook Air. BUT this drive is READ only. How can I write to it?

I am connecting an external USB HDD and I can see it on my Apple Macbook Air. BUT this drive is READ only. How can I write to it?

Drive Partition and Format
1.Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to one. Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Select the volume you just created (this is the sub-entry under the drive entry) from the left side list. Click on the Erase tab in the DU main window.
5. Set the format type to Mac OS Extended (Journaled.) Click on the Security button, check the button for Zero Data and click on OK to return to the Erase window.
6. Click on the Erase button. The format process can take up to several hours depending upon the drive size.
Steps 4-6 are optional but should be used on a drive that has never been formatted before, if the format type is not Mac OS Extended, if the partition scheme has been changed, or if a different operating system (not OS X) has been installed on the drive.

How can I write to an OPC Server?

Hello!
I was busy a few days with LabVIEW 8 to finish a special task, but now I've got problems to solve the following problem:
I have an OPC connection between a frequency converter and LabVIEW 8. With the example vi's I get the data out of the OPC Server (revolutions per minute).
So I can read data out of the OPC Server, but how can I write? I want to write several voltage values to the OPC Server that the frequency converter gets the required revolutions per minute.
Have you got any ideas? Are there existing example vi's to write data to an OPC Server?
Best regards and Thanks in advance!

So here it is - a little bit modified, but you should get the idea out of it.
If you have questions, I'll try to answer them .
Thomas
Using LV8.0
Don't be afraid to rate a good answer...
Attachments:
IOControl.llb ‏168 KB

How can I write to an SD card with my iPad 3?

How can I write to an SD card/thumb drive with my iPad 3?

Sorry to post this question before realizing others already did. HOWEVER! Why would Apple make such a cool device like the iPad without the abiity to write to an SD card?

How can i write to ntfs device

how can i write to ntfs device from mac

By default, OS X (and near all operating systems different than Windows) can't write in NTFS drives because of a Microsoft limitation.
To be able to write in NTFS drives, you have to use a third-party application. There are a lot, but the most recommended is Paragon NTFS, although it's a paid application. If you want a free app, try this > http://osxfuse.github.com

How can i write a blog in the XI forum.....

i want to write a blog....
i have created a scenario which i feel ...may be helpful for many...
how can i write that in the XI forum.....
and do my blog need to examined by some authority

Hi,
Check this
https://www.sdn.sap.com/irj/sdn/wiki?path=/display/community/gettingStartedWith+Blogs&
Regards,
Chandra

How can we write the code for opening the command prompt and closing the

how can we write the code in java for opening the command prompt and closing the cmd prompt from eclipse (cmd prompt should close when click on the turminate button in eclipse)

rakeshsikha wrote:
how can we write the code for opening the command prompt and closing theBy typing in Eclipse (which you seemingly have)?

How can I copy a formula to 1,000 contiguous cells in a column?

How can I copy a formula to 1,000 contiguous cells in a column?

As long as the cell uses "relative" forumla, I usually take an intelligent brute force effect:
Copy 1 to another, copy the 2 to 4, 4 to 8, 8 to 16, 16 to 32, 32 to 64, 64 10 128, 128 to 256 3 times over.
Does not take as long as one would think, and is a controllable process.

How can i write the floats value in Unitronics vision230 plc using modbus Ethernet

How can i write the Float value in unitronics Vision230 PLC usinsg modbus ethernet (MB Ethernet Master Query.vi) I read and write the 32 bit register, for e.g i want to write the 23.45 value on 2nd add. of MF. And MF register is 32 bit register. I read and write the 32 bit register.
Narendra.
Solved!
Go to Solution.

Thanks Amit for your solution but i can not use the string to write the value because MB Ethernet master Query.vi only accepet the integer value its not take string values or any other i.e floats values etc.....otherwise i have no problem to write or read the 32 bit register values , only problem is that the MB Ethernet master Query.vi only accept the integer value there4 how can write the float value.
Narendra
Message Edited by Artemistech on 01-30-2009 11:06 PM

How can I write mathematical formulas?

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