Ubuntu Plotting Programs

I am evaluating plotting programs for Ubuntu.  I already have plotting capability via Matlab and Python/matplotlib running under Ubuntu. The Matlab export plot quality is ok but not great. So far my Python knowledge only extends to making static plots.  Identifying interactive, dynamic plotting methods… Read more

MinGW Windows Installation

MinGW stands for Minimalist GNU for Windows. MinGW is a native software port of the GNU Compiler Collection (GCC) and GNU Binutils for use in the development of native Microsoft Windows applications. MinGW can be downloaded with Code::Blocks. Or it can be downloaded via  soureforge.… Read more

C/C++ Read 2D Array

The following program reads a 2D array of numbers.  The array may have an arbitrary or unknown number of rows and columns up to a certain cell limit. The program counts the number of columns and rows as it reads the data. The program souce… Read more

Cygwin

Cygwin is a collection of tools which provide a Linux look and feel environment for Windows. It is also a DLL (cygwin1.dll) which acts as a Linux Application Programming Interface (API) layer providing substantial Linux API functionality. Cygwin is not a way to run native… Read more

Linux Ubuntu Tips

The make install command is necessary to build certain software package. This may result in an error such as: /usr/local/lib: Permission denied The problem can be fixed by typing: su -c “make install” Then enter root password when prompted * * * The Update Manager… Read more

Cython

Cython is a compiler which compiles Python-like code files to C code. The resulting functions can then be imported into other Python scripts. This method can be used to increase the execution speed of a Python script, particularly if the script uses for-loops. I have… Read more

Install CBLAS in Ubuntu & Cygwin

CBLAS is C interface to the BLAS library. * * * Ubuntu Installation instructions: BLAS must be installed first. The instructions for BLAS are given at: Generalized Eigenvalue Problem & BLAS Next, wget http://www.netlib.org/blas/blast-forum/cblas.tgz tar zxf cblas.tgz Go to CBLAS folder. Open Makefiles.in in a… Read more

Lapack in Ubunutu

Blas and Lapack may be installed on an Ubuntu system using the instructions at: Generalized Eigenvalue Problem * * * C++ programs that use Lapack can be compiled in Terminal or Bash shell mode via: g++ file_in -o file_out -lgfortran -llapack -lm where file_in is… Read more