在Python中将多项式转换为Hermite级数

要将多项式转换为Hermite级数，可以使用Python中Numpy库的hermite.poly2herm()方法。 将表示多项式系数的数组，从最低次到最高次排序，转换为表示等效Hermite级数的系数数组，从最低次到最高次排序。该方法返回一个包含等效Hermite级数系数的1-D数组。参数pol是包含多项式系数的1-D数组。

步骤

首先，导入所需的库 –

import numpy as np
from numpy.polynomial import hermite as H

使用numpy.array()方法创建一个数组 −

c = np.array([1, 2, 3, 4, 5])

显示数组 –

print("Our Array...\n",c)

检查尺寸 –

print("\nDimensions of our Array...\n",c.ndim)

获取数据类型−

print("\nDatatype of our Array object...\n",c.dtype)

掌握形状 –

print("\nShape of our Array object...\n",c.shape)

要将多项式转换为Hermite级数，请使用Python Numpy中的hermite.poly2herm()方法。

print("\nResult (polynomial to hermite)...\n",H.poly2herm(c))

示例

import numpy as np
from numpy.polynomial import hermite as H

# Create an array using the numpy.array() method
c = np.array([1, 2, 3, 4, 5])

# Display the array
print("Our Array...\n",c)

# Check the Dimensions
print("\nDimensions of our Array...\n",c.ndim)

# Get the Datatype
print("\nDatatype of our Array object...\n",c.dtype)

# Get the Shape
print("\nShape of our Array object...\n",c.shape)

# To convert a polynomial to a Hermite series, use the hermite.poly2herm() method in Python Numpy
print("\nResult (polynomial to hermite)...\n",H.poly2herm(c))

输出

Our Array...
[1 2 3 4 5]

Dimensions of our Array...
1

Datatype of our Array object...
int64

Shape of our Array object...
(5,)

Result (polynomial to hermite)...
[6.25 4. 4.5 0.5 0.3125]