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math.NA2019★ 1 cited
A direct solver for the phase retrieval problem in ptychographic imaging
Nada Sissouno, Florian Boßmann, Frank Filbir +5
Measurements achieved with ptychographic imaging are a special case of diffraction measurements. They are generated by illuminating small parts of a sample with, e.g., a focused X-…
math.NA2004
Polynomial Interpolation on the Unit Sphere II
Wolfgang zu Castell, Noemi Lain Fernandez, Yuan Xu
The problem of interpolation at points on the unit sphere by spherical polynomials of degree at most is proved to have a unique solution for several se…