NaN values in array

Hello
I had a code done by my colleague who is not working with us anymore. In an array 8 columns and programmatically generated no. of rows all values initialize as NaN values. I have never come across NaN values before.
From research I gather it is not a number but it really isn't making much sense to me. Why the cells in array are written as NaN? What is the significance of NaN? Can I leave the cells empty and not showing NaN in it?
Kind Regards
Austin
Solved!
Go to Solution.

Hi Austin,
for the constant you can use the standard numeric constant (set to any floating point format) and type "NaN" into it.
As NaN is a number you can type it into numeric inputs... (The same applies to +Inf and -Inf, they are standard numbers too!)
Best regards,
GerdW
CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
Kudos are welcome

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[2010/08/27 10:23:20] Updated variable "elementMessage" less
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Message was edited by:
allelopath

Most of the functionality you describe is in
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>>Can anyone explain this inconsistency?
The Matrix3D class has an internal boolean flag that it uses to determine if the matrix is actually an identity matrix and this flag is not set when you create a Matrix3D object using the constructor that takes the 16 double values despite the fact that
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Please remember to close your threads by marking helpful posts as answer and then start a new thread if you have a new question. Please don't post several questions in the same thread.

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Vix
In claris non fit interpretatio
Using LV 2013 SP1 on Win 7 64bit
Using LV 8.2.1 on WinXP SP3
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Hi
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In claris non fit interpretatio
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Hi all!
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Hi 73012 !!!
Thanks for your response.
Is this a new Oracle10g function? I think this function is not available on Oracle 9.2.0.5.0, is it right?
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Gleber

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This is my first post so please be tolerant
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Mike
Solved!
Go to Solution.
Attachments:
vi+signal.zip ‏62 KB

MeeHow wrote:
next example: 0 1 2 3 4 9 6 7 8 <- bad value is 9, and result of my filter should be (4+6)/2 = 5
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Your formula node version
the same algorithm in G
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LabVIEW Champion . Do more with less code and in less time .
Attachments:
filter testMOD.vi ‏41 KB

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Solved!
Go to Solution.

Your statements don't make much sense. It's irrelevant how many NaNs are in the array. A sort will move them all to the bottom. You had said you wanted to find out if all the elements in an array are less than 0.001, and that you've got some NaNs in there. Well, this will do that:
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Attachments:
NaN sort.png ‏20 KB
NaN sort small.png ‏5 KB

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Hi Naresh,
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Hi Ayush
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<cfset arrAverages[3]="#qryCompassion.compassion#"/>
<cfset arrAverages[4]="#qrySelfControl.SelfControl#"/>
<cfset arrAverages[5]="#qryMoralConcern.MoralConcern#"/>
These values are gathered from querying values stored in a table.
I can get the max value in the array easily by:
<cfdump var="#arrayMax(arrAverages)#">
What I can't figure out is how to get the row in this array where that max value is located. It seems like it would be so simple, but nothing I have tried has worked.
Thanks,
Richard

rking1966 wrote:
I can use arrayMax to get the max value for a small array, but I need to get which index the max value is located. That will determine which page the user goes to next. Here is my code:
array:
<cfset arrAverages[1]="#qryFairness.fairness#"/>
<cfset arrAverages[2]="#qryHonesty.honesty#"/>
<cfset arrAverages[3]="#qryCompassion.compassion#"/>
<cfset arrAverages[4]="#qrySelfControl.SelfControl#"/>
<cfset arrAverages[5]="#qryMoralConcern.MoralConcern#"/>
These values are gathered from querying values stored in a table.
I can get the max value in the array easily by:
<cfdump var="#arrayMax(arrAverages)#">
What I can't figure out is how to get the row in this array where that max value is located. It seems like it would be so simple, but nothing I have tried has worked.
You can find it in one line of code! Here is an example:
<cfset testArr[1]=-183>
<cfset testArr[2]=79>
<cfset testArr[3]=6>
Max.: <cfoutput>#arraymax(testArr)#</cfoutput><br>
Index of max.: <cfoutput>#arrayfindNocase(testArr, arraymax(testArr))#</cfoutput>

Getting null values from array

I have set up an array which is supposed to take the values of a recordset. Only problem is when I display them on the page, I get a list of 'null' instead of the data.
I'm trying to list first and last name (fname_ul & lname_ul in DB)
Here's my code:
<% // Here I'm getting the amt of rows returned
int count=1;
while(rs.next()) {
count++;
%>
<%
int k = count;
int i = 0;
String[] fname = new String[k]; // here i'm trying to initialize the string arrays;
String[] lname = new String[k];
while (rs.next()) {
fname[i] = rs.getString("fname_ul"); // here i'm trying to put data into the array;
lname[i] = rs.getString("lname_ul");
i++;
%>
<table>
<% for (i=0; i < k; i++) { %> // and finally here i'm trying to display the array;
<tr>
     <td><%=fname%></td>
     <td><%=lname[i]%></td>
     <td><%=i%></td> // just something to make sure the rows are counting.
</tr>
<% } %>
</table>
my result is like this:
null null 0
null null 1
null null 18 // this is correct in that there are 19 rows in the resultset.
So, why isn't the data from the recordset going into the array??? Thanks for any help out there. Oh, those comments up there, they're not in the actual code, just to explain here.

I have set up an array which is supposed to take the
values of a recordset. Only problem is when I display
them on the page, I get a list of 'null' instead of
the data.
I'm trying to list first and last name (fname_ul &
lname_ul in DB)
Here's my code:
<% // Here I'm getting the amt of rows returned
int count=1;
while(rs.next()) {
count++;
%>
<%
int k = count;
int i = 0;
String[] fname = new String[k]; // here i'm trying
to initialize the string arrays;
String[] lname = new String[k];
while (rs.next()) {
fname[i] = rs.getString("fname_ul"); // here i'm
trying to put data into the array;
lname[i] = rs.getString("lname_ul");
i++;
%>Well, in the first while-loop, you already loop through all the result set, so in the second while-loop, all you get is a null value.
Also, the way you put the data into the array is not right. I didn't see any array indices. Instead of using arrays, you can consider using Vector, so you don't need to know the number of rows in advance.

How can i pass a value in array into .setText()?

i want to display a value in an array into a JTextField. May i know how to do it?
eg:
JTextField UserName;
UserName.setText(s);
but it doesn't display the value into the JTextfield.

ok... is s an array?
String[] s = {"s1", "s2"};Either you expect 1 value...
username.setText(s[0]);
// or
username.setText(s[1]);Or you expect both:
StringBuffer sb = new StringBuffer("");
for(int x = 0; x < s.length; x++) {
if(x != 0) sb.append(", ");
sb.append(s[x])
username.setText(sb.toString());

NaN values in array

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