When I run my script, I get this as output: 
Use of uninitialized value in cos at ./vectors.pl line 19, <VECTORS> l
+ine 4.
Use of uninitialized value in multiplication (*) at ./vectors.pl line 
+19, <VECTORS> line 4.
Use of uninitialized value in cos at ./vectors.pl line 20, <VECTORS> l
+ine 4.
Use of uninitialized value in multiplication (*) at ./vectors.pl line 
+20, <VECTORS> line 4.
Use of uninitialized value in sin at ./vectors.pl line 24, <VECTORS> l
+ine 4.
Use of uninitialized value in multiplication (*) at ./vectors.pl line 
+24, <VECTORS> line 4.
Use of uninitialized value in sin at ./vectors.pl line 25, <VECTORS> l
+ine 4.
Use of uninitialized value in multiplication (*) at ./vectors.pl line 
+25, <VECTORS> line 4.
6.25584093881723
0
10.2844455635215
0

[download]
If I leave out the '-w' option, the nasty messages go away but the useless zeros after meaningful input don't. I'll have to take a look at those in the morning.

In reply to Re: Re: Newbie Errors by Anonymous Monk
in thread Newbie Errors - Uninitialized Values by Anonymous Monk

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