At last the consistently symmetrical and positive definite properties between the energy matrices and the elastic matrices are clarified by using the theory of positive definite quadratic form of matrices.

最后，運用矩陣的正定二次型理論闡述了"能量矩陣與彈性矩陣"之間一致的對稱性和正定性人人干97。

The physical meaning of the dynamical equilibrium relationships, velocity space-time distribution and energy propagation involved in the energy matrices can be described by the positive definite quadratic form of the energy matrices.

能量矩陣蘊含的動態(tài)力的平衡關(guān)系操女人网站、速度的時間_空間分布和能量的傳播及變化的物理意義，能夠從能量矩陣的正定二次型特性表述出來羞羞网站在线观看入口免费。

The second part includes the definition of positive definite function and conditional positive definite function, the basic form of Radial Basis Function interpolation, the correctness of the inversion of the interpolation matrix, the error estimate based on Kringing function.

主要包括徑向基函數(shù)的相關(guān)定義日日爽日日操，基本的插值形式，插值矩陣的可逆性一级片免费黄色网站，以Kringing范數(shù)為基礎(chǔ)的徑向基函數(shù)插值的局部誤差估計和徑向基函數(shù)插值邊界附近的情況2021国产拍精品系列观看。

The relation between the output phase differences and the losses of 2×2 and 3×3 optical fiber couplers with rotatory symmetry is deduced in this study, which is based on the characteristics of scattering matrix and Hermite positive definite quadratic form of the couplers.

前 言光纖耦合器用于諸如光纖干涉系統(tǒng)、光纖環(huán)、波分復(fù)用器件和光纖通信中的分集接收等場合時91操视频，除了要求適當(dāng)?shù)妮敵龉β时纫酝庖磺闾澹行杩紤]輸出端光場間的相位關(guān)系［1～3］。

optical fiber coupler, scattering matrix ; output phase difference; Hermite quadratic form ; positive definite matrix

利用其散射矩陣為酉矩陣的么正性不難證明717午夜理论片在线观看影片，2×2耦合器輸出相位差恒為90°欧美日韩中国产视频，與輸出功率比無關(guān)，而耦合區(qū)具有旋轉(zhuǎn)對稱結(jié)構(gòu)的3×3耦合器的輸出相位差完全取決于輸出功率比日韩亚洲三级片电影,AV不卡，特殊地黄A片免费网站在线播放，當(dāng)?shù)确止β瘦敵鰰r，輸出

positive definite form：正定型

mullarkey 奉承, 拍馬 屁 | positive definite form 正定型 | gap admittance 間隙導(dǎo)納

positive definite quadratic form：正定二次型

positive definite operator 正定算子 | positive definite quadratic form 正定二次型 | positive direction 正方向

positive definite quatratic form：正定二次型

positive definite matrix 正定矩陣 | positive definite quatratic form 正定二次型 | positive semidefinite matrix 半正定矩陣

positive definite integral form：正定積分形式

positive coupling 正連接 | positive definite integral form 正定積分形式 | positive displacement hydraulic motor 容積式液壓馬達

positive definite Hermitian form：正定埃爾米特型

positive definite function 正定関數(shù) | positive definite Hermitian form 正定埃爾米特型 | positive definite Hermitian inner product 正定埃爾米特內(nèi)積