import numpy as np from numpy.polynomial import legendre as L # Create 1-D arrays of Legendre series coefficients c1 = np.array([2,3,4]) c2 = np.array([4,3,2]) # Display the arrays of coefficients print("Array1...\n",c1) print("\nArray2...\n",c2) # Display the datatype print("\nArray1 datatype...\n",c1.dtype) print("\nArray2 datatype...\n",c2.dtype) # Check the Dimensions of both the arrays print("\nDimensions of Array1...\n",c1.ndim) print("\nDimensions of Array2...\n",c2.ndim) # Check the Shape of both the arrays print("\nShape of Array1...\n",c1.shape) print("\nShape of Array2...\n",c2.shape) # To add one Legendre series to another, use the polynomial.legendre.legadd() method in Python Numpy # The method returns an array representing the Legendre series of their sum. print("\nResult (sum)....\n",L.legadd(c1, c2))
输出
Array1...
[2 3 4]
Array2...
[4 3 2]
Array1 datatype...
int64
Array2 datatype...
int64
Dimensions of Array1...
1
Dimensions of Array2...
1
Shape of Array1...
(3,)
Shape of Array2...
(3,)
Result (sum)....
[6. 6. 6.]