I need to do a lot of vector calculations.

我需要做大量的向量计算。

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By the use of the microcomputer system of V40 on chip microprocessor, PI and vector calculations are carried out through soft ware with fast speed, low fault point and quick response to current.

采用V40单板机微机系统，PI运算及矢量运算均用软件程序实现，运算速度快，故障率小，电流响应快。

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The calculation of an inverse matrix is a lot of work, but by using the properties of vector cross products we can simplify the calculations.

计算逆矩阵的工作量较大，但是通过逆矩阵的叉积我们可以简化计算。

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This paper have three parts. Firstly, support vector machine (SVM) is adopted to correct 180 free energies of small or medium organic molecules based on DFT calculations.

本文首先采用支持向量机方法（SVM）对基于DFT计算结果的180个有机小尺度、中型尺度分子自由能进行了校正。

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This paper have three parts. Firstly, support vector machine (SVM) is adopted to correct 180 free energies of small or medium organic molecules based on DFT calculations.

本文首先采用支持向量机方法（SVM）对基于DFT计算结果的180个有机小尺度、中型尺度分子自由能进行了校正。

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