方程个数大于未知量个数的方程组。 对于方程组Ra=y，R为n×m矩阵，如果R列满秩，且n>m。则方程组没有精确解，此时称方程组为超定方程组。
... overdetermined equation 超定方程 overdetermined set 超定方程组 overdetermined 超定的 ...
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... overcrossing point 上交叉点 overdetermined equations 超定方程组 overdetermined linear equations 超定的线性方程组 ...
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... 硼素的 boric 超定方程组 over determined systems 超定方程组 overdetermined equations ...
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计量学编译词汇O-36-SCIdict学术词典-北... ... 超[设]定方程组 overdetermined set of equations 超[设]定方程组 overdetermined set of equations 溢流 overflow ...
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得出了超定方程组及其矩阵形式，并给出了计算机程序框图和实验计算实例。
An overdetermined set of simultaneous equations in matrix form is introduced. The flow diagram of computer program and an experimental example are presented.
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。
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.
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。
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.
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