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Retrieving an evaluated gradient value (UNCLASSIFIED)
3 messages · Park, Kyong H Mr CIV USA AMC, Henrique Dallazuanna
Try this: attr(junk1(k=0,b0=-14.0236,b1=2.44031), 'gradient') On Thu, Jan 21, 2010 at 6:05 PM, Park, Kyong H Mr CIV USA AMC
<kyong.ho.park at us.army.mil> wrote:
Classification: ?UNCLASSIFIED
Caveats: NONE
Dear R users,
How can I retrieve an evaluated gradient value from "deriv" function
provided below? I want to retrieve b0 value. Appreciate your help.
Kyong
junk1<-deriv(~(1/b1)*k-b0/b1,"b0",c("k","b0","b1"),formal=T)
junk1(k=0,b0=-14.0236,b1=2.44031)
[1] 5.746647
attr(, "gradient"):
? ? ? ? ? ?b0
[1,] -0.409784
Classification: ?UNCLASSIFIED
Caveats: NONE
? ? ? ?[[alternative HTML version deleted]]
______________________________________________ R-help at r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
Henrique Dallazuanna Curitiba-Paran?-Brasil 25? 25' 40" S 49? 16' 22" O
5 days later
Classification: UNCLASSIFIED Caveats: NONE I really appreciate Mr. Dallazuanna's quick reply for my question. See below. Kyong -----Original Message----- From: Henrique Dallazuanna [mailto:wwwhsd at gmail.com] Sent: Thursday, January 21, 2010 3:13 PM To: Park, Kyong H Mr CIV USA AMC Cc: r-help at r-project.org Subject: Re: [R] Retrieving an evaluated gradient value (UNCLASSIFIED) Try this: attr(junk1(k=0,b0=-14.0236,b1=2.44031), 'gradient')
On Thu, Jan 21, 2010 at 6:05 PM, Park, Kyong H Mr CIV USA AMC <kyong.ho.park at us.army.mil> wrote:
Classification: ?UNCLASSIFIED
Caveats: NONE
Dear R users,
How can I retrieve an evaluated gradient value from "deriv" function
provided below? I want to retrieve b0 value. Appreciate your help.
Kyong
junk1<-deriv(~(1/b1)*k-b0/b1,"b0",c("k","b0","b1"),formal=T)
junk1(k=0,b0=-14.0236,b1=2.44031)
[1] 5.746647
attr(, "gradient"):
? ? ? ? ? ?b0
[1,] -0.409784
Classification: ?UNCLASSIFIED
Caveats: NONE
? ? ? ?[[alternative HTML version deleted]]
______________________________________________ R-help at r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
-- Henrique Dallazuanna Curitiba-Paran?-Brasil 25? 25' 40" S 49? 16' 22" O Classification: UNCLASSIFIED Caveats: NONE