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@gocarlos
gocarlos / Eigen Cheat sheet
Last active February 11, 2024 14:07
Cheat sheet for the linear algebra library Eigen: http://eigen.tuxfamily.org/
// A simple quickref for Eigen. Add anything that's missing.
// Main author: Keir Mierle
#include <Eigen/Dense>
Matrix<double, 3, 3> A; // Fixed rows and cols. Same as Matrix3d.
Matrix<double, 3, Dynamic> B; // Fixed rows, dynamic cols.
Matrix<double, Dynamic, Dynamic> C; // Full dynamic. Same as MatrixXd.
Matrix<double, 3, 3, RowMajor> E; // Row major; default is column-major.
Matrix3f P, Q, R; // 3x3 float matrix.
@ynsta
ynsta / sampler.py
Last active June 8, 2023 15:33
Statistic profiling on stm32f4 with openocd by dwt_pcsr sampling
#!/usr/bin/python2
# run openocd (0.9.0) with :
# $ openocd -f stlink-v2-1.cfg -f stm32f4x.cfg &> /dev/null"
# then run
# $ python2 sampler.py path_to_myelf_with_symbols
import sys
import time
import telnetlib