|
|
Sponsored Content
The Lounge
What is on Your Mind?
Chat with iBot - Our RSS Robot Girl
Fun with Gollum
Post 64473 by Gollum on Tuesday 1st of March 2005 04:54:37 PM
03-01-2005
|
|
8 More Discussions You Might Find Interesting
1. News, Links, Events and Announcements
Fun With Automounting on FreeBSD
Link: Nice tips for FreeBSD Unix.
http://ezine.daemonnews.org/200202/automounting.html (2 Replies)
Discussion started by: killerserv
2 Replies
2. UNIX for Dummies Questions & Answers
ok, i've figured out my problem with distributed, in Solaris GUI if you click on a tar file it will untar it for you, using paramiters I don't know.
now, I've got a tar file in / called
dnetc-solaris26-x86.tar
i want to install it to the "/Veitch" directory
how exactly do I use the tar... (17 Replies)
Discussion started by: veitcha
17 Replies
3. UNIX for Advanced & Expert Users
Hai Friends
I have installed FreeBSD in my system... I have installed it to work in text mode don't have the GUI. The default text color is Black background with White Foreground. I want it to be with Black background with Green Foreground. How could i do that.
Thanks in advance
Collins (4 Replies)
Discussion started by: collins
4 Replies
4. What is on Your Mind?
Lets get a list of everyones funny scripts (8 Replies)
Discussion started by: JamieMurry
8 Replies
5. Shell Programming and Scripting
uggc://ra.jvxvcrqvn.bet/jvxv/EBG13
#!/usr/bin/awk -f
BEGIN {
for (n=0;n<26;n++) {
x=sprintf("%c",n+65); y=sprintf("%c",(n+13)%26+65)
r=y; r=tolower(y)
}
}
{
b = ""
for (n=1; x=substr($0,n,1); n++) b = b ((y=r)?y:x)
print b
}
... (0 Replies)
Discussion started by: colemar
0 Replies
6. Shell Programming and Scripting
#!/usr/bin/ksh
ls -l $@ | awk '
/^-/ {
l = 5*log($5)
h = sprintf("%7d %-72s",$5,$8)
print "\x1B
ls command with histogram of file sizes.
The histogram scale is logaritmic, to avoid very short bars for smaller files or very long bars for bigger files.
Screenshot: (4 Replies)
Discussion started by: colemar
4 Replies
7. War Stories
Hi Folks,
I came accross this picture taken a number of years ago now, I just thought I'd share it with you guys. We were in the process of removing equipment from the Data Centre and had followed the cable through to this area, where one of the old patch areas had been.
When we lifted the... (2 Replies)
Discussion started by: gull04
2 Replies
8. Shell Programming and Scripting
Heya
Ever wanted to have some basic stats of your projects?
Like:
./stats.sh
########################################
Project stats for "tui"
########################################
260 kb in bin
24 kb in conf.etc
12 kb in conf.home
32 kb in docs/samples
176 kb in docs/wiki
280... (5 Replies)
Discussion started by: sea
5 Replies
LEARN ABOUT DEBIAN
tensor
tensor(2rheolef) rheolef-6.1 tensor(2rheolef) NAME
tensor - a N*N tensor, N=1,2,3 SYNOPSYS
The tensor class defines a 3*3 tensor, as the value of a tensorial valued field. Basic algebra with scalars, vectors of R^3 (i.e. the point class) and tensor objects are supported. IMPLEMENTATION
template<class T> class tensor_basic { public: typedef size_t size_type; typedef T element_type; // allocators: tensor_basic (const T& init_val = 0); tensor_basic (T x[3][3]); tensor_basic (const tensor_basic<T>& a); // affectation: tensor_basic<T>& operator = (const tensor_basic<T>& a); tensor_basic<T>& operator = (const T& val); // modifiers: void fill (const T& init_val); void reset (); void set_row (const point_basic<T>& r, size_t i, size_t d = 3); void set_column (const point_basic<T>& c, size_t j, size_t d = 3); // accessors: T& operator()(size_type i, size_type j); T operator()(size_type i, size_type j) const; point_basic<T> row(size_type i) const; point_basic<T> col(size_type i) const; size_t nrow() const; // = 3, for template matrix compatibility size_t ncol() const; // inputs/outputs: std::ostream& put (std::ostream& s, size_type d = 3) const; std::istream& get (std::istream&); // algebra: bool operator== (const tensor_basic<T>&) const; bool operator!= (const tensor_basic<T>& b) const { return ! operator== (b); } template <class U> friend tensor_basic<U> operator- (const tensor_basic<U>&); template <class U> friend tensor_basic<U> operator+ (const tensor_basic<U>&, const tensor_basic<U>&); template <class U> friend tensor_basic<U> operator- (const tensor_basic<U>&, const tensor_basic<U>&); template <class U> friend tensor_basic<U> operator* (int k, const tensor_basic<U>& a); template <class U> friend tensor_basic<U> operator* (const U& k, const tensor_basic<U>& a); template <class U> friend tensor_basic<U> operator* (const tensor_basic<U>& a, int k); template <class U> friend tensor_basic<U> operator* (const tensor_basic<U>& a, const U& k); template <class U> friend tensor_basic<U> operator/ (const tensor_basic<U>& a, int k); template <class U> friend tensor_basic<U> operator/ (const tensor_basic<U>& a, const U& k); template <class U> friend point_basic<U> operator* (const tensor_basic<U>&, const point_basic<U>&); template <class U> friend point_basic<U> operator* (const point_basic<U>& yt, const tensor_basic<U>& a); point_basic<T> trans_mult (const point_basic<T>& x) const; template <class U> friend tensor_basic<U> trans (const tensor_basic<U>& a, size_t d = 3); template <class U> friend tensor_basic<U> operator* (const tensor_basic<U>& a, const tensor_basic<U>& b); template <class U> friend void prod (const tensor_basic<U>& a, const tensor_basic<U>& b, tensor_basic<U>& result, size_t di=3, size_t dj=3, size_t dk=3); template <class U> friend tensor_basic<U> inv (const tensor_basic<U>& a, size_t d = 3); template <class U> friend tensor_basic<U> diag (const point_basic<U>& d); template <class U> friend tensor_basic<U> identity (size_t d=3); template <class U> friend tensor_basic<U> dyadic (const point_basic<U>& u, const point_basic<U>& v, size_t d=3); // metric and geometric transformations: template <class U> friend U dotdot (const tensor_basic<U>&, const tensor_basic<U>&); template <class U> friend U norm2 (const tensor_basic<U>& a) { return dotdot(a,a); } template <class U> friend U dist2 (const tensor_basic<U>& a, const tensor_basic<U>& b) { return norm2(a-b); } template <class U> friend U norm (const tensor_basic<U>& a) { return ::sqrt(norm2(a)); } template <class U> friend U dist (const tensor_basic<U>& a, const tensor_basic<U>& b) { return norm(a-b); } T determinant (size_type d = 3) const; template <class U> friend U determinant (const tensor_basic<U>& A, size_t d = 3); template <class U> friend bool invert_3x3 (const tensor_basic<U>& A, tensor_basic<U>& result); // spectral: // eigenvalues & eigenvectors: // a = q*d*q^T // a may be symmetric // where q=(q1,q2,q3) are eigenvectors in rows (othonormal matrix) // and d=(d1,d2,d3) are eigenvalues, sorted in decreasing order d1 >= d2 >= d3 // return d point_basic<T> eig (tensor_basic<T>& q, size_t dim = 3) const; point_basic<T> eig (size_t dim = 3) const; // singular value decomposition: // a = u*s*v^T // a can be unsymmetric // where u=(u1,u2,u3) are left pseudo-eigenvectors in rows (othonormal matrix) // v=(v1,v2,v3) are right pseudo-eigenvectors in rows (othonormal matrix) // and s=(s1,s2,s3) are eigenvalues, sorted in decreasing order s1 >= s2 >= s3 // return s point_basic<T> svd (tensor_basic<T>& u, tensor_basic<T>& v, size_t dim = 3) const; // data: T _x[3][3]; }; typedef tensor_basic<Float> tensor; // inputs/outputs: template<class T> inline std::istream& operator>> (std::istream& in, tensor_basic<T>& a) { return a.get (in); } template<class T> inline std::ostream& operator<< (std::ostream& out, const tensor_basic<T>& a) { return a.put (out); } // t = a otimes b template<class T> tensor_basic<T> otimes (const point_basic<T>& a, const point_basic<T>& b, size_t na = 3); // t += a otimes b template<class T> void cumul_otimes (tensor_basic<T>& t, const point_basic<T>& a, const point_basic<T>& b, size_t na = 3); template<class T> void cumul_otimes (tensor_basic<T>& t, const point_basic<T>& a, const point_basic<T>& b, size_t na, size_t nb); rheolef-6.1 rheolef-6.1 tensor(2rheolef)