Convert Eigen Matrix to C array

Question

The Eigen library can map existing memory into Eigen matrices.

float array[3];
Map(array, 3).fill(10);
int data[4] = 1, 2, 3, 4;
Matrix2i mat         


        

Answer 1

You need to use the Map function again. Please see the example here: http://forum.kde.org/viewtopic.php?f=74&t=95457