np.legub()
方法用于将一个Legendre级数减去另一个Legendre级数,它返回两个Legendre级数之差c1 - c2.
用法:np.legub(c1, c2)
参数:
c1, c2 :[ array_like ] 1-D arrays of Legendre series coefficients ordered from low to high.
返回:[ndarray]勒让德级数系数表示它们的差异。
代码1:
# Python program explaining
# numpy.legsub() method
# importing numpy as np
# and numpy.polynomial.legendre module as geek
import numpy as np
import numpy.polynomial.legendre as geek
# Legendre series coefficients
s1 = (2, 4, 8)
s2 = (1, 3, 5)
# using np.legsub() method
res = geek.legsub(s1, s2)
# Resulting Legendre series
print (res)
输出:
[ 1. 1. 3.]
代码2:
# Python program explaining
# numpy.legub() method
# importing numpy as np
# and numpy.polynomial.legendre module as geek
import numpy as np
import numpy.polynomial.legendre as geek
# Legendre series coefficients
s1 = (10, 20, 30, 40, 50)
s2 = (2, 4, 6, 8, 10)
# using np.legsub() method
res = geek.legsub(s1, s2)
# Resulting Legendre series
print (res)
输出:
[ 8. 16. 24. 32. 40.]
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