A technique for sieving the overdetermined system is gived by utilizing least-square method and the unique solution with minimum-error is obtained.
采用最小二乘法求解矛盾方程组，可获得误差最小的唯一解。
LSQR and ART algorithms are applied separately to calculate tomography for the determined system of equation, overdetermined system of equation and underdetermined system of equation.
采用弯曲射线追踪算法计算走时，分别用最小二乘QR分解算法与代数重建技术就恰定方程组、超定方程组与欠定方程组进行了成像计算。
Only in under very special circumstance, an overdetermined systems have accurate solutions and general an approximated solution is often found in some determination of the overdetermined system.
只有在极特殊的情况下超定方程组才有精确解，一般情况下都是求超定方程组在某种意义下的近似解。
The system becomes overdetermined as zero vortex strength is set at trailing edge, to make the Kutta condition be satisfied.
为满足库塔条件而令后缘处涡强度为零，但导致了方程组的矛盾性。
The system becomes overdetermined as zero vortex strength is set at trailing edge, to make the Kutta condition be satisfied.
为满足库塔条件而令后缘处涡强度为零，但导致了方程组的矛盾性。
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