Аннотация:
We compare two algorithms for reconstruction the vector fields from the known values of the ray transforms. The first algorithm is based on the least square method, approximating sequence is constructed with using the $B$-splines. The second algorithm is based on the method of singular value decomposition of operators of ray transforms, basis vector fields are constructed with using the harmonic polynomials and Jacobi polynomials.
Ключевые слова:vector tomography, solenoidal field, potential field, approximation, ray transforms, least square method, $B$-splines, singular value decomposition, orthogonal polynomials.