LSQR and ART algorithms are applied separately to calculate tomography for the underdeterminedsystem of equation.
分别采用 LSQR 和 ART 算法对欠定方程组进行了层析成像计算。
2
LSQR and ART algorithms are applied separately to calculate tomography for the determined system of equation, overdetermined system of equation and underdeterminedsystem of equation.