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by: Sam |
last post by:
Hello, in my coding work I'm going to using a lot of matix
manipulation, just basic matrix addition, multiplication, Gaussian
method solving for roots, least square... But I don't know if there's
a library which defines matrix and its manipulation. I know there must
be one and it's somethere but I just have no experience.
Thanks.
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by: Charulatha Kalluri |
last post by:
Hi,
I'm implementing a Matrix class, as part of a project. This is the interface
I've designed:
class Matrix( )
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by: Havatcha |
last post by:
Does anyone know of a decent (free/easy to use) C++ library for
manipulating matrices and caculating eigenvalues, eigenvectors and so
on? I intend to add some Principal Component Analysis functionality to
some software.
Any recommendations appreciated.
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by: Tiza Naziri |
last post by:
Hi,
How to represent this matrix equation in C code:
/ a0 \ / 0 1 0 1 0 0 1 0 \/ b0 \
| a1 | | 0 0 1 0 1 0 0 1 || b1 |
| a2 | | 1 0 0 1 0 1 0 0 || b2 |
| a3 |=| 0 1 0 0 1 0 1 0 || b3 |
| a4 | | 0 0 1 0 0 1 0 1 || b4 |
| a5 | | 1 0 0 1 0 0 1 0 || b5 |
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by: Martin Jørgensen |
last post by:
Hi,
I've made a program from numerical recipes. Looks like I'm not allowed
to distribute the source code from numerical recipes but it shouldn't
even be necessary to do that.
My problem is that I'm not very experienced with pointers, pointers to
pointers and the like and I got 4 compiler warnings + I don't completely
understand how to build this "compact matrix" (see later).
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by: Emacs Row |
last post by:
Hello NG,
I'm using Numerical Recipes in C++.
Now I'm looking for a routine to
calculate the eigenvalues of a matrix
with *complex* valued entries.
The matrix type is Mat_IO_CPLX_DP.
So far, I've just found the routines
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by: lcw1964 |
last post by:
Greetings groups! I am a rank novice in both C programming and
numerical analysis, so I ask in advance your indulgence. Also, this
question is directed specifically to those familiar with Numerical
Recipes in C (not C++), in practice or at least in theory.
I have taken an interest in the the least-squares SVD alternative to
the Remes algorithm offered in section 5.13 of NR, 2nd ed. (see here,...
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by: =?Utf-8?B?TWFuanJlZSBHYXJn?= |
last post by:
Hi,
I developed a custom Matrix class derived from custom VC++ doubles Array
class derived from a RealArray which is defined as:
typedef CArray<double,doubleRealArray;
Now I need to convert this custom Matrix class to standard doubles Matrix
(VC++) as I am passing it to some function that understands only the standard
class.
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by: Babak |
last post by:
Hi,
I've developed a C program which contains a large number of vectors
and matrices operations. Throughout my code, I used the template from
the Numerical Recipes book to define vectors and matrices and access
their elements. For example, to define a vector I used the function:
my_vector=vector(0,n-1);
Which actually allocate the memory as follows:
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: jinu1996 |
last post by:
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: isladogs |
last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM).
In this session, we are pleased to welcome a new presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: bsmnconsultancy |
last post by:
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