Subtract one Hermite_e series from another in Python

To subtract one Hermite_e series to another, use the polynomial.hermite.hermesub() method in Python Numpy. The method returns an array representing the Hermite_e series of their difference. Returns the difference of two Hermite_e series c1 - c2. The sequences of coefficients are from lowest order term to highest, i.e., [1,2,3] represents the series P_0 + 2*P_1 + 3*P_2. The parameters c1 and c2 are 1-D arrays of Hermite_e series coefficients ordered from low to high.

Steps

At first, import the required library −

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

Create 1-D arrays of Hermite_e series coefficients −

c1 = np.array([1,2,3])
c2 = np.array([3,2,1])

Display the arrays of coefficients −

print("Array1...
",c1)
print("
Array2...
",c2)

Display the datatype −

print("
Array1 datatype...
",c1.dtype)
print("
Array2 datatype...
",c2.dtype)

Check the Dimensions of both the arrays −

print("
Dimensions of Array1...
",c1.ndim)
print("
Dimensions of Array2...
",c2.ndim)

Check the Shape of both the arrays −

print("
Shape of Array1...
",c1.shape)
print("
Shape of Array2...
",c2.shape)

To subtract one Hermite_e series to another, use the polynomial.hermite.hermesub() method in Python Numpy −

print("
Result (difference)....
",H.hermesub(c1, c2))

Example

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

# Create 1-D arrays of Hermite_e series coefficients
c1 = np.array([1,2,3])
c2 = np.array([3,2,1])

# Display the arrays of coefficients
print("Array1...
",c1)
print("
Array2...
",c2)

# Display the datatype
print("
Array1 datatype...
",c1.dtype)
print("
Array2 datatype...
",c2.dtype)

# Check the Dimensions of both the arrays
print("
Dimensions of Array1...
",c1.ndim)
print("
Dimensions of Array2...
",c2.ndim)

# Check the Shape of both the arrays
print("
Shape of Array1...
",c1.shape)
print("
Shape of Array2...
",c2.shape)

# To subtract one Hermite_e series to another, use the polynomial.hermite.hermesub() method in Python Numpy
print("
Result (difference)....
",H.hermesub(c1, c2))

Output

Array1...
   [1 2 3]

Array2...
   [3 2 1]

Array1 datatype...
int64

Array2 datatype...
int64

Dimensions of Array1...
1

Dimensions of Array2...
1

Shape of Array1...
(3,)

Shape of Array2...
(3,)

Result (difference)....
   [-2. 0. 2.]

AmitDiwan

Updated on 10-Mar-2022 05:31:35

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