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卷积反演是卷积的逆运算。Deconvolution is the inverse algorithm of convolution.

我们需要知道求幂运算的逆运算的难度。We need to know how hard it is to reverse the exponentiation.

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原需肥量计算公式纯粹是利用率不妥计算的逆运算。The old calculation formula for fertilizer requirement did not fit to fertilizer requirement.

由于公式不涉及矩阵乘法和求逆运算，因而计算量较小。Since the formulas do not involve the multiplication and inverse of matrix, the calculations are reduced.

该算法不涉及矩阵求逆运算，有效地解决了上述两个问题，并且具有设计合理、易于实现等特点。The HHPD is not involved the computation of the inverse matrixes, and solve successfully the above problems.

与直接求解积分方程相比，由于不必进行直接的大型复矩阵求逆运算，该方法计算速度快，所需内存少。It also has the higher speed and less memory requirements than the direct solving method for integral equations.

由于六轴平台的控制动作是由逆运算方式求得，造成位置误差会呈现累积现象。The action controller of Stewart Platform is calculated by inverse kinematics and it is why we count up the error.

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这一方法避免了原NMM中复杂的求逆运算，思路简单，其物理意义也更明确。The improved NMM method, avoiding complicated matrix inverse, is easy to understand and has concise physical meaning.

微分和积分是一对逆运算，但是微分比积分更容易运算。The differential and the integral are inverse operations each other, But the differential operation is easier ban the integral.

在这两个新的方案中，一个与已有方案效率相当，另一个因无需求逆运算而效率更高。One of these two new schemes was an efficiently improved scheme without computing any inverse while Camenisch et al's scheme needs.

介绍了利用混合坐标思想，减少有限域上求逆运算的次数，对固定窗口算法进行局部优化的方法。Using mixed coordinates method to decrease the number of inversion in finite fields, a partial optimization algorithm can be obtained.

这类单元与其他类型的杂交模型相比，精度高且能较好地避免矩阵求逆运算，具有较好的实用性。Matrix inversion can be avoided, in comparison with conventional hybrid element, the method is more convenient in practical application.

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利用源信号的统计独立性提出了一种由混合信号和分离信号估计混合矩阵的算法，避免了一次矩阵求逆运算。A novel rough set-based method followed by establishing a mix discernibility matrix is introduced for intrusion detection, and choose C4.

推导出了按电动机功率，通过热力学逆运算，确定压缩机结构参数的计算公式。The calculating formula of determining compressor structure parameter is derived by thermodynamic counter calculation based on motor power.

接收端根据发送端的相关规则，进行非混沌同步的逆运算，恢复出二进制信息序列。In the receive site, we operate non-chaos synchronization in reverse and resume binary message sequence by the correlated rule of the sender.

根据衍射逆运算重构波面的概念，给出数字全息检测的模拟研究实例。Depending on inverse diffraction calculation to reconstruct a wave-front, the simulating examples of digital holography measurement are presented.

该控制器不仅避免了在线求解矩阵方程和矩阵求逆运算而且实现了自适应解耦控制。It is not only possible to realize adaptive decoupling control, but also avoids solving polynomial matrix equations and treating inverse matrices.

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该控制器不仅避免了在线求解矩阵方程和矩阵求逆运算，而且完全实现了自校正动态解耦控制。It not only avoids solving polynomial matrix equations and treating inversematrixes, but also fully realizes self-tuning dynamic decoupling control.

采用这种方法的逆运算形式，应用计算机辅助计算和检测技术，在国内首次完成对多层光学薄膜镀膜后或制备过程中各膜层光学厚度的检测。By taking the method of inverse operation and the computer aided technique, the testing of thickness of optical thin films is completed firstly in China.

求逆是标量乘法中最耗时的运算，求逆运算次数的多少直接决定标量乘法的性能。A field inversion is the most expensive operation on scalar multiplication, and the number of inversion determines the performance of scalar multiplication.