1) cosine series
余弦级数
1.
By the aid of cosine series of the function fk ( x) = π/2xk ( 0 ≤ x ≤π ).
借助函数fk(x)=π/2xk(0≤x≤π)的余弦级数,给出了当p为偶数时p-级数 sum from n=1 to ∞ (1/np)及 sum from n=1 to ∞ ((-1)n-1/np)的两个求和公式,从而解决了这一类p-级数的求和问题。
2) cosine function
余弦函数
1.
On some identities of sine and cosine functions;
关于正弦函数和余弦函数的一些恒等式
2.
Aim To study some calculation formula of sine function and cosine function.
目的研究正弦函数和余弦函数的一些计算公式。
3) Cosine Factor
余弦系数
4) excponential-cosine
余弦指数
5) logarithmic cosine
对数余弦
6) sine series
正弦级数
1.
The upper bounded estimation for a class of sine series;
一类正弦级数的上界估计
2.
In this paper, the bending problem of unbonded contact of beams on tensionless winkler foundations is investigated by sine series and principle of minimum potential energy.
利用正弦级数和最小势能原理,解答了无拉力Winkler地基上梁的脱离问题。
3.
By use of Fourier transforms or sine series,the harmonic vibrations of the beams on the transversely isotropic saturated poro-semiplane were investigated.
利用Fourier变换或正弦级数,研究了该介质上梁的简谐振动问题,将原先极为复杂的问题转化为数值积分问题。
补充资料：Fourier余弦变换
Fourier余弦变换
Fourier cosine transform
I议耐台余弦变换[I饭川份仪d理加田北而;Koc皿yc一uPe-o6pa”。a.e巾yp‘e] 见I议州匕变换(Fou〔屺rtla瑙form).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条