steepest descent method

基本解釋

We use the methods of series expansion and steepest descent to calculate SU(3) one-link invariant group integral.
我們用多重級(jí)數(shù)展開(kāi)和最陡下降法來(lái)計(jì)算SU（3）單鏈積分。
Three unconstrained optimization methods'steepest descent method, DFP variable metric algorithm and BFGS variable metric algorithm, are compared with each other.
文中比較了最速下降法、DFP變尺度法和BFGS變尺度法這三種無(wú)約束最優(yōu)化算法；
hkxb.buaa.edu.cn
The thermal equation and wave equation are solved by the methods of Hankel transform and steepest descent, and the general expression of displacement is obtained.
在二維情況下，忽略熱擴(kuò)散效應(yīng)，利用漢克爾積分變換法和最陡下降法，求解熱擴(kuò)散方程和波動(dòng)方程，得出了位移的解析表達(dá)式。

最速下降法
The steepest descent method is used to solve the problem above and thus complement the signal and image denoising.
利用最速下降法求解上述最優(yōu)化問(wèn)題,實(shí)現(xiàn)信號(hào)與圖像的去噪。
最陡下降法

最速下降法
From the measured transient electromagnetic pulse responses, the impulse responses of the conducting sphere and the conducting prolate spheroid are better inverted using Modified Steepest Descent Method.
用修正最速下降法由實(shí)測(cè)瞬態(tài)電磁脈沖響應(yīng)較發(fā)地反演了導(dǎo)體球和導(dǎo)體長(zhǎng)橢球的沖激響應(yīng)。
數(shù)學(xué)
最陡下降法

最陡下降法
According to this, the formula of the position and amplitude of highlight on smooth and rigid surface, where the monostatic and bistatic sonar in free field, is deduced by use of the steepest descent method.
在此基礎(chǔ)上,利用最陡下降法推導(dǎo)出自由空間中光滑剛性表面在收發(fā)分(合)置時(shí)亮點(diǎn)位置和亮點(diǎn)幅值計(jì)算式。