Linear polynomial Linear regression Linear sequence None of the mentioned aboveAnswer: B) Linear regressionExplanation:Linear regression employs the Least Square Method. The least-squares approach is a type of mathematical regression analysis that determines the best fit line for a collection of data, ...
least-squares support vector machine; lithium-slag; cement; compressive strength; anti-chloride ion permeability; fluidity1. Introduction Cement mortar has a wide range of applications, and reinforcement for concrete structures is an important one [1]. The objective of this research is to develop a...
y_fit=f(x) Python Copy 下面是完整代码: fromnumpy.polynomial.chebyshevimportChebyshevimportnumpyasnp# 生成Chebyshev多项式n=4Tn=Chebyshev.basis(n)# 生成拟合数据x=np.linspace(-1,1,11)y_true=np.sin(x)y=y_true+np.random.randn(len(x))*0.1# 进行最小二乘拟合p=np.polynomial.chebyshev.chebf...