多项式曲线拟合:org.apache.commons.math3.fitting.PolynomialCurveFitter类. 用法示例代码: // ... 创建并初始化输入数据: double[] x = new double[...]; double[] y = new double[...]; 将原始的x-y数据序列合成带权重的观察点数据序列: WeightedObservedPoints points = new WeightedObservedPoints(); // 将x-y数据元
Expanding Rods Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 13780 Accepted: 3563 Description When a thin rod of length L is heated n degrees, it expands to a new length L'=(1+n*C)*L, where C is the coefficient of heat expansion. Wh