np.lag2poly()
方法用于将Laguerre级数转换为多项式。
用法:np.lag2poly(c)
参数:
c :[array_like] 1-D arrays of Laguerre series coefficients ordered from low to high.
返回:[ndarray]包含等效多项式系数的一维数组。
代码1:
# Python program explaining
# numpy.lag2poly() method
# importing numpy as np
# and numpy.polynomial.laguerre module as geek
import numpy as np
import numpy.polynomial.laguerre as geek
# Input laguerre series coefficients
c = np.array([0.1, 0.2, 0.3, 0.4, 0.5])
# using np.lag2poly() method
res = geek.lag2poly(c)
# Resulting equivalent polynomial series coefficient
print (res)
输出:
[ 1.5 -4. 2.25 -0.4 0.02083333]
代码2:
# Python program explaining
# numpy.lag2poly() method
# importing numpy as np
# and numpy.polynomial.laguerre module as geek
import numpy as np
import numpy.polynomial.laguerre as geek
# Input laguerre series coefficients
c = ( 1, 2, 3, 4, 5)
# using np.lag2poly() method
res = geek.lag2poly(c)
# Resulting equivalent polynomial series coefficient
print (res)
输出:
[ 15. -40. 22.5 -4. 0.20833333]
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注:本文由纯净天空筛选整理自jana_sayantan大神的英文原创作品 Python | Numpy np.lag2poly() method。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。