HAI ALL
IF ANY ONE KNOW HOW TO DELETE ANY ROWS OR COLUMN CONTAIN ( NEGATIVE , IMAGINARY VALUES AS SHOWN IN ATTACHED FIGURE , I WANT TO DELETE YELLOW ROWS
Try to add "assume,w>0" in your symbolic evaluation.
If you have troubles doing so, come back, ask, attach your worksheet and state which version of Prime you are using.
This is what I was talking about:
Depending on your application the follow up with sort might be useful or not.
File in Prime5 format attached
Brute force:
Here just for fun some alternatives:
thanks my friend , it is working