np.legmul()
方法用于将一个Legendre系列乘以另一个,返回两个Legendre系列的乘积c1 * c2.
用法:np.legmul(c1, c2)
参数:
c1, c2 :[ array_like ] 1-D arrays of Legendre series coefficients ordered from low to high.
返回:[ndarray]表示其乘积的Legendre级数系数。
代码1:
# Python program explaining
# numpy.legmul() 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.legmul() method
res = geek.legmul(s1, s2)
# Resulting Legendre series
print (res)
输出:
[ 14. 27.6 37.42857143 26.4 20.57142857]
代码2:
# Python program explaining
# numpy.legmul() 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.legmul() method
res = geek.legmul(s1, s2)
# Resulting Legendre series
print (res)
输出:
[ 183.93650794 451.80952381 666.43578644 755.23232323 786.997003 626.61782662 512.26551227 326.34032634 190.36519037]
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