value varies by platform, exactly singular on Intel x86_64 compiler

ripley · ripley · commit fda749f0ff87 · 2025-03-15T19:57:01.000Z
git-svn-id: https://svn.r-project.org/R/trunk@87976 00db46b3-68df-0310-9c12-caf00c1e9a41
diff --git a/src/library/base/man/kappa.Rd b/src/library/base/man/kappa.Rd
@@ -212,6 +212,6 @@ kappa(A, exact=TRUE) # 8.675057e+15 ( 2-norm )
 
 ## now for the 1-norm :
 try(kappa(A, exact=TRUE, norm = "1")) #-> Error: computationally singular
-    kappa(A, exact=TRUE, norm = "1", inv_z = solve(A, tol = 1e-19)) ## 5.22057e16
+try(kappa(A, exact=TRUE, norm = "1", inv_z = solve(A, tol = 1e-19))) ## 5.22057e16 on x86_64 Linux with GCC
 }
 \keyword{math}

Original file line number	Diff line number	Diff line change
`@@ -212,6 +212,6 @@ kappa(A, exact=TRUE) # 8.675057e+15 ( 2-norm )`
`212`	`212`
`213`	`213`	`## now for the 1-norm :`
`214`	`214`	`try(kappa(A, exact=TRUE, norm = "1")) #-> Error: computationally singular`
`215`		`- kappa(A, exact=TRUE, norm = "1", inv_z = solve(A, tol = 1e-19)) ## 5.22057e16`
	`215`	`+try(kappa(A, exact=TRUE, norm = "1", inv_z = solve(A, tol = 1e-19))) ## 5.22057e16 on x86_64 Linux with GCC`
`216`	`216`	`}`
`217`	`217`	`\keyword{math}`