回归分析 考察温度x对产量y的影响 测得下列10组数据 求y关于x的线性回归方程 检验回归效果是否显著 并预测x=42℃时产量的估值及预测区间-Regression analysis, study the temperature on the yield y of x measured by the following 10 sets of data demand y on x, the linear regression equation of the regression effect is

用matlab来模拟温度场，准确度高，具有参考价值。-yong matlab lai moni wenduchang ,zhuquedugao ,juou cankaojiazhi .

一维非稳态流动换热的matlab程序，流体和固体温度都在变化，时间和长度方向。-One-dimensional unsteady flow and heat transfer matlab procedures, fluid and solid temperatures are changing, time, and length.