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Re: Using ZROOTS??? [message #1418]

Wed, 17 November 1993 05:48

llobet
Messages: 10
Registered: May 1993

Junior Member

In article <2cd5h6INNp59@maz4.sma.ch>, idl@sma.ch (idl Adm) writes:

:The IDL documentation on ZROOTS is rather sparse in that it does not
:have an example - so I don't know what is going wrong with the
:following call - can anyone help?
:
: a=[-2.,3.,4.]
: zroots,a,r
:% Program caused arithmetic error: Floating illegal operand

With VMS IDL 3.1.1, I have

IDL> a=[-2.,3.,4.]
IDL> zroots,a,r
IDL> print,r
( -1.17539, 0.000000)( 0.425391, 0.000000)

:Thanks a lot,
:Mike Alport
:Plasma Physics Research Institute,
:University of Natal,
:Durban, 4001,
:South Africa

(Hi, Mike!)

-xavier

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