// 入口參數(shù):
// l: l = 0, 傅立葉變換 l = 1, 逆傅立葉變換
// il: il = 0,不計(jì)算傅立葉變換或逆變換模和幅角;il = 1,計(jì)算模和幅角
// n: 輸入的點(diǎn)數(shù),為偶數(shù),一般為32,64,128,...,1024等
// k: 滿足n=2^k(k>0),實(shí)質(zhì)上k是n個(gè)采樣數(shù)據(jù)可以分解為偶次冪和奇次冪的次數(shù)
// pr[]: l=0時(shí),存放N點(diǎn)采樣數(shù)據(jù)的實(shí)部
// l=1時(shí), 存放傅立葉變換的N個(gè)實(shí)部
// pi[]: l=0時(shí),存放N點(diǎn)采樣數(shù)據(jù)的虛部
// l=1時(shí), 存放傅立葉變換的N個(gè)虛部
//
// 出口參數(shù):
// fr[]: l=0, 返回傅立葉變換的實(shí)部
// l=1, 返回逆傅立葉變換的實(shí)部
// fi[]: l=0, 返回傅立葉變換的虛部
// l=1, 返回逆傅立葉變換的虛部
// pr[]: il = 1,i = 0 時(shí),返回傅立葉變換的模
// il = 1,i = 1 時(shí),返回逆傅立葉變換的模
// pi[]: il = 1,i = 0 時(shí),返回傅立葉變換的輻角
// il = 1,i = 1 時(shí),返回逆傅立葉變換的輻角
標(biāo)簽:
il
傅立葉變換
計(jì)算
模
上傳時(shí)間:
2017-01-03
上傳用戶:ynsnjs
Mapack可用來做矩陣運(yùn)算
Mapack is a .NET class library for basic linear algebra computations. It supports the following matrix operations and properties: Multiplication, Addition, Subtraction, Determinant, Norm1, Norm2, Frobenius Norm, Infinity Norm, Rank, Condition, Trace, Cholesky, LU, QR, Single Value decomposition, Least Squares solver, Eigenproblem solver, Equation System solver. The algorithms were adapted from Mapack for COM, Lapack and the Java Matrix Package.
標(biāo)簽:
Mapack
computations
supports
algebra
上傳時(shí)間:
2017-01-26
上傳用戶:tb_6877751