finesse.densematrix.DenseMatrix.declare_equations

DenseMatrix.declare_equations(Neqs, index, name)

Adds a submatrix to the matrix along its diagonal. This defines what equations exist in the matrix, the submatrix values cannot be changed after this, they are always 1 Before other submatrices can be added to the matrix the diagonal must be specfied and how many equations it represents.

Parameters:

NeqsPy_ssize_t

Number of equations this submatrix represents

_indexlong

Subcolumn index

nameunicode

Name used to indentify this coupling in the matrix for debugging