为此，在研究支持向量机的基础上，给出了核函数的若干重要性质。
For this reason, several important properties of kernel function are discussed on the basis of support vector machine.
因此研究支持向量机的核函数性质，对于寻找核函数有重要意义。
Therefore it is of great significance to study the properties of kernel function of support vector machine.
核函数作为样本相似性的衡量尺度是影响支持向量机分类效果的重要因素。
As the similarity metrics of the samples, kernel function is a key factor that affects the classification.
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