mlpack is set of tools for machine learning written in C++, and designed to be scalable, fast, and extensible. mlpack has an easy-to-use API which enables novice users to implement machine learning.
Questions tagged [mlpack]
67 questions
10
votes
1 answer
Conversion between cv::Mat and arma::mat
I am using OpenCV and also want to add some of cool functions from mlpack, which is using Armadillo matrices.
Is there an easy way to convet between cv::Mat and arms::mat?
Thanks!
wking
- 1,293
- 1
- 16
- 27
6
votes
3 answers
Linking to Armadillo libraries with CMake
I am trying to install MLPack on windows 8.
I configure the CMakeLists.txt file with:
set(ARMADILLO_LIBRARY "C:\\Program Files (x86)\\armadillo\\lib")
set(ARMADILLO_INCLUDE_DIR "C:\\Program Files (x86)\\armadillo\\include")
Then when I ran CMake I…
Vince
- 3,979
- 10
- 41
- 69
3
votes
0 answers
Boost causing errors during compilation
I have recently added MLPack to my software, and I tried to compile the MLPack as coming from CMake. MLPack itself builds just fine with Visual Studio 2012, and then I wanted to integrate it into my own software.
I have not even done one line of…
SinisterMJ
- 3,425
- 2
- 33
- 53
2
votes
1 answer
can't create dynamic relocation R_AARCH64_ADD_ABS_LO12_NC against symbol
OS: Ubuntu 20.04
MlPack(branch): master
I am trying to build a program which is dependent on mlpack for android. For that I am using ndk-build. To make the library compatible for arm64 architecture, I have used buildroot environment 2020.08.1 to…
Niaz Palak
- 175
- 1
- 13
2
votes
0 answers
While training throws up a huge compile time error which says TLS init function undefined reference to arma::mt19937_64_instance
The undefined reference is generally a linker error. I feel like the error is because of my compilation of mlpack rather than code but I do not know how to track it down or if my assumption is correct. Or if it is a bug and there is a work around.
I…
Tarun Maganti
- 3,076
- 2
- 35
- 64
2
votes
0 answers
How do I link Armadillo with nvblas on windows
So I want to use mlpack (https://github.com/mlpack/mlpack) with nvblas.
Now mlpack uses armadillo.
I been looking online for a guide that will explain to me how to setup armadillo and mlpack with nvblas and I can't find one (especially one that…
NacOJerk
- 73
- 11
2
votes
1 answer
undefined symbol in Cython module when using mlpack
I met the problem "undefined symbol" when using mlpack in Cython. Here is my test case:
cdef extern from "" namespace "arma":
ctypedef unsigned uword
cdef cppclass vec:
vec()
vec(uword)
cdef cppclass…
NORTMP
- 27
- 4
1
vote
1 answer
How to use mlpack in my Rcpp code in macOS
I am trying to build an R package using mlpack. As suggested in this link I am using the following cpp function
#include
#include
// Two include directories adjusted for my use of mlpack 3.4.2 on Ubuntu
#include…
noirritchandra
- 103
- 9
1
vote
0 answers
How to build MLPack library as a static library using NDK-build?
Can I build a library like mlpack which has only .hpp file as a shared library using NDK-Build?
I am trying to build an API using ndk-build from linux for android arm64 and armeabi-v7a. But my API has a dependency on mlpack. But I can't use the…
Niaz Palak
- 175
- 1
- 13
1
vote
1 answer
Error while trying to run MLPack from source
OS:Linux
Compile: NDK-Build
I am facing error while I try to compile mlPack from source. The code works fine when I run by installing the mlPackand it's dependencies(armadillo, ensmallen, boost). But I am trying to create a single *.so and *.a file…
Niaz Palak
- 175
- 1
- 13
1
vote
1 answer
Error while trying to use the boost::variant - "No matching function for call"
I'm continuously getting errors saying "No matching call for function" while using boost::variant.
Below is my code snippet.
struct Output {
int a;
float b;
}
typedef boost::variant, ClassA<>> ClassAGeneric;
class…
Ambi
- 423
- 3
- 7
- 17
1
vote
0 answers
mlpack train weighted DecisionTree using sample frequency
Following the example from the official documentation, I am at this point in training a DecisionTree classifier:
arma::rowvec weights = arma::randu(1, labels.size());
size_t numClasses = 2;
KFoldCV, Accuracy> cv2(5, data,…
Gigioz
- 367
- 5
- 19
1
vote
1 answer
Cmake Mlpack Ubuntu Issue
I'm using cmake in VSC on Ubuntu for a simple data cluster algorithm. For this I want to use the already existing Mlpack library. If I try to run my code I receive errors like…
s kop
- 196
- 4
- 18
1
vote
1 answer
mlpack : index out of bounds in FFN<>
I have this code :
#include
#include
#include
int main(int argc, char** argv){
assert(argc==3);
arma::mat data_in, data_out;
mlpack::data::Load(argv[1],…
brightprogrammer
- 89
- 4
- 12
1
vote
0 answers
pyMIC Offload MLPACK Code -> Error: Could not load library on device 0
We are trying to compile some code (a modified mlpack knn_example.cpp) that uses the mlpack and Armadillo c++ libraries. Compilation is successful but when running the pymic code we are getting an error:
pymic.offload_error.OffloadError: Could…
Chris Njuguna
- 335
- 1
- 3
- 12