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I am doing a lot of image processing in C and I need a good, reasonably lightweight, and above all FAST matrix manipulation library with a permissive license. I am mostly focussing on affine transformations and matrix inversions, so i do not need anything too sophisticated or bloated.
Primarily I would like something that is very fast (using SSE perhaps?), with a clean API and (hopefully) prepackaged by many of the unix package management systems.
Note this is for C not for C++.
Thanks
:)
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Matrix multiplication is another important program that makes use of the two-dimensional arrays to multiply the cluster of values in the form of matrices and with the rules of matrices of mathematics. In this C program, the user will insert the order for a matrix followed by that specific number of elements.
linalg is a library for linear algebra and regression implemented in C. The code is optimized for readability and clarity instead of raw efficiency (though it tries not to ignore issues of efficiency completely).
A library in C is a collection of header files, exposed for use by other programs. The library therefore consists of an interface expressed in a . h file (named the "header") and an implementation expressed in a .
Eigen is a C++ template library for linear algebra: matrices, vectors, numerical solvers, and related algorithms.
I'd say BLAS or LAPACK.
Here you have some examples.
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OpenCV
alt text http://opencv.willowgarage.com/wiki/Welcome?action=AttachFile&do=get&target=OpenCV_Overview.jpg
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