Eigen is thoroughly tested through its own test suite (over 500 executables), the standard BLAS test suite, and parts of the LAPACK test suite. Eigen is elegant.

Since the version 3.4, Eigen exposes convenient methods to reshape a matrix to another matrix of different sizes or vector. All cases are handled via the …

The Eigen::FFT module has a couple of behaviors that stray away from that of most FFT libraries (e.g. FFTW,IMKL,KISSFFT). These differences are intended to facilitate generic programming …

Mar 2, 2010 · umeyama () ... Returns the transformation between two point sets. This is defined in the Geometry module. #include <Eigen/Geometry> The algorithm is based on: "Least-squares …

Eigen offers a comma initializer syntax which allows the user to easily set all the coefficients of a matrix, vector or array. Simply list the coefficients, starting at the top-left corner and moving …

Eigen is small, so it is feasible to include a copy of it in your own source tree, if you want to. Eigen is multi-platform, and is actually being used on a number of different operating systems, …

Eigen provides several reduction methods such as: minCoeff () , maxCoeff () , sum () , prod () , trace () *, norm () *, squaredNorm () *, all () , and any () . All reduction operations can be done …

March 2009: Early version of eigen3, includes Eigen w/o vectorization, MKL, Goto, Atlas, and ACML. Here is the list of the libraries included in the following benchmarks:

If a EIGEN_TEST_PART_i is found, then the test will be split unconditionally. A typical use case consists in building the same unit-test with different Eigen's options (C++ max version, …

This page used to have a long FAQ that we thought was useful when Eigen was LGPL-licensed. Now that Eigen is MPL2-licensed, there is no need anymore for that. Common questions …