努比。fv(费率、净现值、pmt、pv、时间=‘结束’): 此财务功能帮助用户计算未来价值。
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参数:
费率: [标量或(M,)数组]每段时间的小数利率(非百分比) nper: [标量或(M,)数组]总复利周期 pmt: [标量或(M,)数组]固定支付 pv: [标量或(M,)数组]当前值 什么时候: 在每个周期的开始(当={‘begin’,1})或结束(当={‘end’,0})时。默认值为{end’,0}
返回:
value at the end of nper periods
正在求解的方程:
fv + pv*(1+rate)**nper + pmt*(1 + rate*when)/rate*((1 + rate)**nper - 1) == 0
或 当速率==0时
fv + pv + pmt * nper == 0
代码1:工作
# Python program explaining fv() function import numpy as np ''' Question : Future value after 10 years of saving $100 now, with an additional monthly savings of $100. Assume the interest rate is 5% (annually) compounded monthly ? ''' # rate np pmt pv Solution = np.fv( 0.05 / 12 , 10 * 12 , - 100 , - 100 ) print ( "Solution : " , Solution) |
输出:
Solution : 15692.9288943
参考资料: https://docs.scipy.org/doc/numpy-1.13.0/reference/generated/numpy.fv.html#numpy.fv .
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