extrema

The space of the extremum mine microseism is closely connected with the high stress zones.

矿山微震发生的空间位与高应力区密切。

Image reconstruction is often converted to the nonrestraint extremum of the nonlinear equations.We have deduced a conjugate gradient algorithm from the extremum of norm.

像重建常常被转化为解非线性无约束问题,通过范数小化推导共轭梯度法的一般算法。

The results of tests show that the new subsampling method outperforms other subsampling methods in less extrema and convergence performance of the normalized mutual information.

实验结果表明，新抽样方法可以有效地减少局点，提高归一化互信息测度的收敛性能。