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vrf Matlab: inverse of the complementary error function

Question asked by VRFuser on May 27, 2002
Latest reply on May 27, 2002 by VRFuser
  • Comment • 5
Almost.

erfc(x) = 1-erf(x) as stated. But this implies that

erfcinv(x) = erfinv(1-x)

Regards,
Bill Ossmann
--
bill_ossmann@hsgmed.com
Philips Ultrasound

>-----Original Message-----
>From: GRIMALDI,ANDREA (A-Italy,ex1)
>[mailto:andrea_grimaldi@Agilent.com]
>Sent: Monday, May 27, 2002 11:06 AM
>To: 'Sordon Stefan'; vrf@lvld.agilent.com
>Subject: RE: vrf Matlab: inverse of the complementary error function
>
>
>Hi Stefan,
>
>I think that erfc(x)=1-erf(x).
>Therefore inverfc(x)=1-inverf(x).
>
>Please check if it is true and let me know, but I think it should work.
>
>Regards
>
>Andrea
>
>***************************************************
>Andrea Grimaldi
>         R&D Engineer
>
>Agilent Technologies Italia S.p.a.
>Turin Technology Center
>Via G. Reiss Romoli 274
>10148 Turin - Italy
>Tel: +39 011 2292584
>Fax: +39 011 2292434
>Telnet: 354-2584
>E-mail: andrea_grimaldi@agilent.com
>Disclaimer: The opinions expressed in this e-mail are personal and do
>not represent Agilent Technologies
>
>
>
>
>
>
>
>
>-----Original Message-----
>From: Sordon Stefan [mailto:sordon@shf-communication.de]
>Sent: luned 27 maggio 2002 16.35
>To: vrf@lvld.agilent.com
>Subject: vrf Matlab: inverse of the complementary error function
>
>
>Hallo.
>
>I need help.
>
>I will calculate the "inverse of the complementary error function".
>
>But Matlabscript in VEE 6.01 have only the "error function",
>"complementary error function" and the
>"Inverse of the error function".
>
>How can i do it ???
>
>Can you send me a formular ???
>
>Thanks
>
>
>---------------------------------------------------------------
>---------
>-----
> Stefan Sordon
> SHF Communication Technologies AG
> Amalienstrasse 14
> 12247 Berlin
> Zentrale:   ++ 49 (0)30 77 20 51 0
> Direkt:      ++ 49 (0)30 77 20 51 11
> Fax:         ++ 49 (0)30 7 53 10 78
> www.shf.biz
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