SVM Parameters.

Tested range and optimal values for SVM kernel function parameters. Integer values were tested for the entire range. Non-integer parameters were set using values within their ranges in two successive grid search of decreasing step value.

支持向量机（Support Vector Machine，SVM）核函数参数的测试范围与最优取值。针对各参数的全域测试范围，均完成了整数值测试。非整数参数则通过两次连续步长递减的网格搜索，在其各自取值范围内选取对应数值开展测试。