square-integrable function

The writer suggests using temperature-time square measure of combustible temperature to judge the good or bad of starting function and the possibility of effective start.

良好的润滑有利于有效启动；提出了用可燃温度的温&时面积值，判断启动性能的好坏及有效启动的可能性。

The Improvements on the Calculating Accuracy of Optical Transfer Function& Calculation of the OTF Using Curve Fitting of Least Square and Gaussian Integration

光学传递函数计算精度的改进&应用最小二乘曲线拟合和高斯积分进行光学传递函数的计算

Thirdly, with respected of the machine learning, we use least square support vector machine to train model, and lower the misclassification rate by choosing the kernel function and parameters value.

在机器学习方面：本文采用最小二乘支持向量机来训练模型，通过调整模型核函数以及选择模型参数来降低模型的错分率，提高模型的效率。

A two-level learning method combining improved immune algorithm and least square method was proposed to design a radial basis function ( RBF) network.

结合改进的免疫算法和最小二乘法，提出了一种设计径向基函数（RBF）网络的两级学习方法。

A logarithmic function describing the relationship between penetration depth and dynamic pressure divided by the square of nozzle number was derived by fitting the data of the computation results.

通过对模拟结果的函数拟合，发现射流喷射深度与动压比除以喷嘴数的平方之间的关系可用一个对数函数很好地描述。