Displaying 12 results from an estimated 12 matches for "xt_wang".
2004 Jun 15
2
About function "unif_rand()"
hello, everybody,
I met a problem that I want to generate a random uniform number by using
function with c interface.
What I found is only "unif_rand()", but its range is [0,1]. How can I create a
uniform random variable by using a function with c interface.
Who can tell me what function it is and how to use?
I will appreciate for it very much.
Thanks in advance!
xiaotong wang
2005 Mar 09
2
How to use a R package with C code
Hello, everybody,
I created a R package which includes C code. But I load this package, and carry
out the R function in it. It shows C function is not in load table as follows.
Would you tell me what is the problem? Where do I make mistake?
Maggie
[Previously saved workspace restored]
> library(var)
Attaching package 'var':
The following object(s) are masked _by_
2005 Jan 05
2
How to connect R with a C code which includes Atlas
Hello, everybody,
Happy New Year!
I am a graduate student from Concordia University. I meet a problem when I am
working on my thesis. I hope I will get help from you.
I have a mathematical model which was already implemented by using R language.
However, part of this model includes fixed point iteration algorithm and
calculation of large linear equations which n will get to 5000. Because of
2005 Jan 25
2
about R CMD check
hello,
I create a package which includes C code and Lapack. But when I run " R CMD
check ". an error message, "/usr/bin/ld: cannot find -lfrtbegin " occurs. could
you tell me what is the problem?
the detailed message is as follows:
[credsim@confsys ~/src]$ R CMD check var
* checking for working latex ... OK
* using log directory '/home/credsim/src/var.Rcheck'
*
2004 Apr 22
2
Urgent:again question about nmath/standalone
Hello, all,
I have the same question as the last mail I sent. I have installed libRmath in
my system. But I still can not link Rmath through -lRmath. The whole process
is as follow.Is there anybody who is so kind to help me find out the problem?
I will appreciate very much.
[credsim at confsys ~]$ cd /usr/lib
[credsim at confsys lib]$ ls -l libR*
-rw------- 1 bcdesai bcdesai 237828 Apr
2004 Apr 01
1
Use R function in C code
I want to use R function Matrix inverse in my c code, please tell me how I can.
If there is a sample which can tell me how it works. It will be fantastic.
2005 Jan 21
1
How to use a C code in R
hello,
I have a c code which uses clapack. I want to integrate R with this code. It
said that I create a R package including my c code. Then build it with putting
PKG_LIBS = $(LAPACK_LIBS). I want to know the interface LAPACK_LIBS is Fortran
or C? If it is written in Fortran, how can I build them together? If I can
build them together, I still use the function in cLapack or the function in
2004 Apr 14
1
question about /nmath/standalone
Hello,
I can't link a c code with Mathlib according to introduction of R
manual "Writing R Extensions", page 60.
It is written :
"It is possible to build Mathlib, the R set of mathematical functions
documented in
'Rmath.h?, as a standalone library 'libRmath? under Unix and Windows. (This
includes
the functions documented in Section 5.7 [Numerical analysis
2004 May 13
1
question about dyn.load()
Hello, everybody,
I met a big problem. What I want is to use c code in R. I have load a test
code "conv.c" in R and run it successfully. However, in my real code, I use
matlab c library (Matrix Inverse function). After I use command "R CMD SHLIB"
to share library, I can not use "dyn.load" to load the object in
R. "undefined symbol:
2005 Mar 10
1
about R CMD check
hello, everybody,
I create a package by myself named "var" on Linux system. I attach a C code
which uses "R_ext/Lapack.h" in directory "src". But when I carry out " R CMD
check var", it shows
> wxt0124()
Error in .C("wxt1221", PACKAGE = "var") : C function name not in DLL for package
var
Execution halted
Could you tell me what is
2005 Mar 09
0
about create a R package
Hello, everyone,
I would like to create a package which includes C code. My input data comes from
a text file and I will output my solution into a text file too. My question is
that I put the input file in src directory or data directory or somewhere else?
On the other hand, I want to call this C function from R. Is he R code put in
the R directory or I carry out this code in R environment
2004 Apr 14
2
again question about nmath/standalone
Hello,
I forgot to tell you that I am using Linux OS. And I can?t find
directory "src/nmath/standalone". I will send you the test code I am using and
the whole operation process.
[credsim at confsys ~/src]$ gcc test1.c -o test1 -lRmath
test1.c: In function `main':
test1.c:18: warning: assignment makes pointer from integer without a cast
test1.c:19: warning: assignment makes