Displaying 20 results from an estimated 62 matches for "16i".
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2006 Jan 12
0
bug in qr.coef() and (therefore) in qr.solve (PR#8476)
...0+0.000000e+00i -1.853360e-17-1.199306e-17i 0+0i
[2,] 2.338819e-17-1.192988e-19i 1.000000e+00+1.155338e-20i 0+0i
[3,] -6.940188e-18+1.120842e-17i 5.188659e-17-3.226848e-17i 1+0i
> qr.solve(A+1i*B,A+1i*B)
[,1] [,2]
[1,] 1.000000e-00-2.583088e-16i 1.000000e-00-2.583088e-16i
[2,] -1.045057e-16+1.979352e-16i -1.045057e-16+1.979352e-16i
[3,] 3.966684e-16+7.360601e-16i 3.966684e-16+7.360601e-16i
[,3]
[1,] 1.000000e-00-2.583088e-16i
[2,] -1.045057e-16+1.979352e-16i
[3,] 3.966684e-16+7.360601e-16i
## Note: all col...
2009 Aug 09
1
Inaccuracy in svd() with R ubuntu package
...78i
[,4]
[1,] 1.344998+1.231298i
[2,] -0.190861+1.817582i
[3,] 1.855617-1.244282i
[4,] -1.735007+0.725572i
> b <- svd(a)
> with(b, u %*% t(Conj(u)))
[,1] [,2]
[1,] 1.000000e+00+0.000000e+00i 9.971272e-18-1.092774e-16i
[2,] 9.971272e-18+1.062857e-16i 1.000000e+00-0.000000e+00i
[3,] -9.500311e-17+3.729126e-17i -1.319715e-16-3.354759e-16i
[4,] 1.585713e-16+2.581553e-16i 2.988332e-17+1.814683e-16i
[,3] [,4]
[1,] -9.500311e-17-2.546774e-17i 1.585713e-16-2.644267...
2000 Nov 28
2
BUG: polyroot() (PR#751)
I have found that the polyroot()
function in R-1.1.1(both solaris
and Win32 version) gives totally
incorrect result. Here is the offending
code:
# Polyroot bug report:
# from R-1.1.1
> sort(abs(polyroot(c(1, -2,1,0,0,0,0,0,0,0,0,0,-2,5,-2,0,0,0,0,0,0,0,0,0,1,-2,1))))
[1] 0.8758259 0.9486499 0.9731015 1.5419189 1.7466214 1.7535362 1.7589484
[8] 2.0216317 2.4421509 2.5098488 2.6615572
2001 Mar 19
2
A limitation for polyroot ? (PR#880)
...lp.start()' for a HTML browser interface to help.
Type `q()' to quit R.
[Previously saved workspace restored]
> polyroot(c(6,-5,1))
[1] 2+1.615587e-27i 3-1.615587e-27i
> polyroot(c(0,0,0,1))
[1] 0+0.000000e+00i 0+0.000000e+00i 3-1.615587e-27i
> polyroot(c(4,-4,1))
[1] 2+1.110223e-16i 2-1.110223e-16i
> polyroot(c(0,0,0,1))
[1] 0+0.000000e+00i 0+0.000000e+00i 2-1.110223e-16i
>
Thank you for your attention.
Best regards,
Chyi-Hung Hsu
-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-.-
r-devel mailing list -- Read http://www.ci.tuwien.ac.at/~...
2011 Feb 21
2
Segfaults of eigen
...:
> eigen(cbind(c(1,4),c(4,7)), only.values = TRUE)
$values
[1] 9 -1
$vectors
NULL
> eigen(cbind(c(1,4),c(4,7)))
$values
[1] 9 -1
$vectors
[,1] [,2]
[1,] 0.4472136 -0.8944272
[2,] 0.8944272 0.4472136
> eigen(cbind(c(1,-1),c(1,-1)))
$values
[1] -3.25177e-17+1.570092e-16i -3.25177e-17-1.570092e-16i
$vectors
[,1] [,2]
[1,] 0.7071068+0i 0.7071068+0i
[2,] -0.7071068+0i -0.7071068-0i
With large(?) matrices eigen produces on several of my systems
segfaults:
> data(iris)
> D <- dist(iris[,-5])
> str(D)
Class 'dist' atomic [...
2013 Dec 05
4
Third-party SATA-RAID cards suggestions
...d preferably be able to connect ten harddrives, but I guess
three four-port cards should work as well. There's no need for anything fancy
really, as long as I can create a single big software-raid on it at CentOS
install-time.
So far I've tried a Highpoint RocketRAID 2740 and a LSI 9201-16i without too
much success.
Thanks for any suggestions in advance!
--
BW,
Sorin
-----------------------------------------------------------
# Sorin Srbu, Sysadmin
# Uppsala University
# Dept of Medicinal Chemistry
# Div of Org Pharm Chem
# Box 574
# SE-75123 Uppsala
# Sweden#
# Phone: +46 (0)18-...
2007 Apr 18
3
[Bridge] Linux bridging code bounces back frames?
...6 with two 10 Mbit Ethernet
NICs. The machine (tsushima) is running Debian stable and kernel 2.4.26.
Previously I used it as a router, so I know the hardware (NICs) is
working.
The NICs are as follows:
eth0: WD80x3 at 0x280, 00 00 C0 0A 2C 2F WD8003-old, IRQ 10, shared
memory at 0xd0000-0xd1fff.
eth16i.c: v0.35 01-Jul-1999 Mika Kuoppala (miku@iki.fi)
eth1: ICL EtherTeam 16i/32 at 0x240, IRQ 15, 00:00:4b:07:b3:9f TP
interface.
eth0 is a BNC network, if that matters.
I'm using the bridge-utils 0.95-2 from Debian stable, and I've set up
br0 with eth0 and eth1 via the interfaces script, as...
2007 Jul 04
2
Centos 4.x / RHEL AS 4.x Clustering documentation
Hi,
Can someone point me to documents as to how to install Redhat
Enterprise AS 4.x Or Centos 4.x similar with a 1 active 3 passive
clustering scenario?
Thanks,
--
------------------------------------------------------------
Erick Perez
Panama Sistemas
Integradores de Telefonia IP y Soluciones Para Centros de Datos
Panama, Republica de Panama
Cel Panama. +(507) 6694-4780
2007 Nov 23
1
complex conjugates roots from polyroot?
...gates in the roots
returned by 'polyroot'? The obvious comparison of each root with the
complex conjugate of the next sometimes produces roundoff error, and I
don't know how to bound its magnitude:
(tst <- polyroot(c(1, -.6, .4)))
tst[-1]-Conj(tst[-2])
[1] 3.108624e-15+2.22045e-16i
abs(tst[-1]-Conj(tst[-2]))/abs(tst[-1])
1.971076e-15
.Machine$double.neg.eps
1.110223e-16
Testing (abs(tst[-1]-Conj(tst[-2]))/abs(tst[-1]) <
(20*.Machine$double.neg.eps)) would catch this example, but it might not
catch others.
The 'polyroot' help page says, "See...
2001 Jan 17
2
PR#751
I'd just like to report a possible R bug--or rather, confirm an existing one
(bug #751).
I have had some difficulty using the polyroot() function.
For example, in Win 98, R 1.1.1,
> polyroot(c(2,1,1))
correctly (per the help index) gives the roots of 1 + (1*x) + (2*x^2) as
[1] -0.5+1.322876i -0.5-1.322876i
However,
> polyroot(c(-100,0,1))
gives the roots of
[1] 10+0i -10+0i
2010 Jan 08
0
solving cubic/quartic equations non-iteratively -- comparisons
...(-8,14,-7,1))
[1] 1-0i 2+0i 4-0i
>
# Repeating-roots example
> lp <- polynomial(c(8,-36, 54, -27))
> solve(lp)
[1] 0.6666648437558125-0.000003157332198i 0.6666648437558125+0.000003157332198i
[3] 0.6666703124883749+0.000000000000000i
> polyroot(lp)
[1] 6.666666666666670e-01+2e-16i 6.666666666666666e-01-8e-17i
[3] 6.666666666666664e-01-1e-16i
# ------------------------------------------------------------------------- #
Matlab:
>> format long
>> format compact
% Note: Matlab order of polynomial is reverse of R
% Posted example
>> p = [-8,14,-7,1]; p...
2012 Nov 22
19
ZFS Appliance as a general-purpose server question
A customer is looking to replace or augment their Sun Thumper
with a ZFS appliance like 7320. However, the Thumper was used
not only as a protocol storage server (home dirs, files, backups
over NFS/CIFS/Rsync), but also as a general-purpose server with
unpredictably-big-data programs running directly on it (such as
corporate databases, Alfresco for intellectual document storage,
etc.) in order to
2003 Jun 24
3
R-1.7.1 regression test failure on alphaev68-dec-osf5.1
I'm attempting to compile and install R version 1.7.1 for my statistical
geneticists. It seems to compile correctly -- that is, it compiles
without errors -- but the regression test is failing in the following
manner:
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> ## log
> stopifnot(all.equal(log(1:10), log(1:10, exp(1))))
> stopifnot(all.equal(log10(30), log(30, 10)))
>
2013 Jan 07
5
mpt_sas multipath problem?
...ar to the
OS with multipath device names (despite the fact that these
internal drives are cabled up in a single-path configuration). If
anything, this does confirm that multipath is enabled in mpt_sas.conf
via the mpxio-disable="no" directive (internal HBA''s are LSI SAS,
2x 9201-16i and 1x 9211-8i).
The JBOD is a SuperMicro 847E26-RJBOD1, with the front backplane
daisy-chained to the rear backplane (both expanders). Each of the two
expander chains is connected to one port of an LSI SAS 9200-8e HBA. So
far, all this hardware has appeared as working for others and well-suppor...
2007 Aug 06
5
ipw220 wireless firmware for CentOS 5
OK, I've downloaded and unzipped the firmware files in
ipw2200-fw-3.0.tgz - so I have 4 files: ipw2200-bss.fw, ipw2200-ibss.fw,
ipw2200-sniffer.fw and LICENSE.ipw2200-fw, all of which I've placed in
the /lib/firmware directory. Unfortunately, the instructions in
README.ipw2200 and INSTALL are not clear as to what to do next. I'm
using CentOS 5 on my (Dell) laptop so setting-up wireless
2007 Nov 13
3
freenx
Hello,
I am having problems getting freenx running in CentOS 4.5 i386_64. I
know this is not a new problem, however, I havn't
found a solution in all the postings I found on the web.
I did exactly what is supposed to work and described in detail at
http://wiki.centos.org/HowTos/FreeNX
After doing that I can connect to the server with nxcleint without
problem but I get only a black
2007 Jun 30
0
freenx/nx server part
...config to allow password
authentication (even if configured manually to not do so ...)
Range : can you create a new page ? or do we have to edit the client
page ?
I think that a new page for the server part is better ...
--
Fabian Arrotin <fabian.arrotin at arrfab.net>
Solution ?
echo '16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D4D465452snlbxq' | dc
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2008 Jan 02
1
tick_divider kernel parameter for guest vm
...guests .. (it's still needed
for example for 4.x ..)
Keep on reading the comments on bugs.centos.org for further
informations ... I assume that upstream release notes will be corrected
to reflect the real parameter
--
Fabian Arrotin <fabian.arrotin at arrfab.net>
Solution ?
echo '16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D4D465452snlbxq' | dc
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2008 Jan 02
1
vncserver
Hi all,
When using the "vncserver :1" and then "vncviewer :1" to see it
so far so good. then when I run a program I get the window outline
until I move to the position I want and click - how can I just skip that
step
and lets say have my new program go full screen (in the vnc window).
Is that possible and how? THanks,
Jerry
2004 Mar 17
1
mke2fs -O dir_index save to use with kernel >=2.4.25 ?
Hi,
is it save to use ext2 / ext3 hashed b-trees feature with linux
kernel >= 2.4.25 ?
thanx, Gregor
--
echo '16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D3F204445524F42snlbxq'|dc