Derivative-free method to find zeros of analytic (holomorphic) functions / solve nonlinear (polynomial / generalized) eigenvalue problems using contour integration. (Block SS-Hankel method, Block Sakurai Sugiura method)
linear-algebra root-finding eigenvectors eigenvalues polynomial-eigenvalue-problem eigenvector nonlinear-eigenvalue-problem generalized-eigenvalue generalized-eigensolver nonlinear-eigenvalue-problems
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Updated
Dec 7, 2025 - Python