<html><head></head><body style="font-family: times new roman,new york,times,serif; font-size: 12pt;">Hi everyone<br>I am trying to create an inverse filter and need to set the values to undefined if they are very close to zero in my original filter.<br>later on I need to access these undefined values and set them to meaningful ones.<br><br>what is the right way to proceed here.<br><br>thanks<br></body></html>