matrix n. (pl. matrices 或matrixes) 1.【解剖學(xué)】子宮;母體;發(fā)源地,策源地,搖籃;【生物學(xué)】襯質(zhì)細(xì)胞;間質(zhì);基質(zhì);母質(zhì)。 2. 【礦物】母巖;脈石;【冶金】基體;【地質(zhì)學(xué);地理學(xué)】脈石;填質(zhì);雜礦石。 3. 【印刷】字模;型版,紙型;鑄型,陰模。 4.【陣】(矩)陣,方陣;母式;【物理學(xué)】間架;【無線電】矩陣變換電路。 5.【染】原色〔紅黃藍(lán)白黑五種〕。 the matrix of a nail 【解剖學(xué)】指甲床。
matrix, the 駭客任務(wù),又名:二十二世紀(jì)殺人網(wǎng)絡(luò)或黑客帝國(guó)
On this basis, we give three " pruning " theorems by transformation of the solution matrix using corresponding cost matrix, and give their theoretical proving process 在此基礎(chǔ)上,利用代價(jià)矩陣對(duì)解矩陣進(jìn)行變換,給出了三個(gè)“剪枝”定理,并對(duì)定理進(jìn)行了詳細(xì)的理論證明。
It gives a new expression method for the solution of often coefficient linear siuu1taneous differential equation, with the aid of uneven sublinear system of equations's standard base solution matrix nature, gradually approximation, derivative principle, the text give the limited form of this system of equations solution and the developments for the contents of literature 摘要提出了常系數(shù)線性微分方程組解的新的表達(dá)方式,借助齊次方程組的標(biāo)準(zhǔn)基解矩陣的性質(zhì)、逐步逼迫法、導(dǎo)數(shù)法則,給出了這個(gè)方程組解的有限形式。
In the paper, computational sophistication is applied to compute the basic solution matrix of a sort of two-dimensional periodic differential equation which contains two parameters . the matrix makes it realizable to study the stability of two-dimensional periodic differential equation, here, the following is proved in the paper : only if a ( t ), b ( t ), c ( t ), d ( t ) satisfy some quantity conditions, is exponentially asymptotically stable <中文摘要>=本文應(yīng)用計(jì)算技巧,計(jì)算出一類含雙參數(shù)的二維周期系統(tǒng)的基本解方陣,以這個(gè)基本解方陣為依據(jù),研究二維周期系統(tǒng)的結(jié)構(gòu)穩(wěn)定性。所得結(jié)論是:只要之間滿足一定的數(shù)量關(guān)系,則該系統(tǒng)指數(shù)型漸近穩(wěn)定。
This method can guarantee the solution matrix of sylvester equation to be inverse and the sum of the input gain norm and the observer gain norm is the minimum . for the linear systems with unknown parameters, we identify the parameters using hopfield network, then design the observers using the identified parameters, the exponential convergence of adaptive observer is also proved . for the linear time-varying systems, a new network to solve the time-varying sylvester equation is proposed, we analysis it's convergence and robustness, then, deign the linear time-varying observer using this network model, and we discuss the convergence of the observer and ruboustness to unknown match parameters 同時(shí)保證了sylvester方程的解矩陣的可逆性和觀測(cè)器的增益矩陣與輸入矩陣范數(shù)的和最小;在設(shè)計(jì)線性時(shí)不變自適應(yīng)觀測(cè)器時(shí),首先利用系統(tǒng)的輸入、輸出數(shù)據(jù)設(shè)計(jì)一個(gè)hopfield網(wǎng)絡(luò)參數(shù)估計(jì)器,進(jìn)一步設(shè)計(jì)狀態(tài)觀測(cè)器,證明了參數(shù)估計(jì)器和狀態(tài)觀測(cè)器的指數(shù)收斂性;為了仍然從神經(jīng)優(yōu)化計(jì)算的角度設(shè)計(jì)線性時(shí)變系統(tǒng)的狀態(tài)觀測(cè)器,最后介紹了一種求解時(shí)變sylvester矩陣方程的神經(jīng)網(wǎng)絡(luò)模型,分析了它的收斂性和魯棒性,然后利用該網(wǎng)絡(luò)設(shè)計(jì)時(shí)變狀態(tài)觀測(cè)器,進(jìn)一步討論該觀測(cè)器的在系統(tǒng)存在未建模不確定和外部噪聲時(shí)的魯棒性;最后給出了一種基于分離性原理和hopfield網(wǎng)絡(luò)觀測(cè)器的狀態(tài)反饋閉環(huán)系統(tǒng)的結(jié)構(gòu),分析了該閉環(huán)系統(tǒng)的特點(diǎn);對(duì)于每一種設(shè)計(jì)方法都給出了相應(yīng)的數(shù)值仿真例子來進(jìn)一步表明所提方法的可行性和有效性。
The matrix and the gel, powder and pellets of composites are characterized by ir, dta, xrd, sem . the following is the results : at the transition process, existing the polymerization of si ( oc2h5 ) 4 and citric slats . ( 2 ) the transition temperature of the drier gel to powder at 400-600 . ( 3 ) the solid solution matrix of li3.4sio . 4v0.6o4 has the structure of li3vo3 ( high temperature phase ) . t 固溶體具有l(wèi)i人o3高溫導(dǎo)電相結(jié)構(gòu):第二相氧化物或埋鹽主要以玻璃態(tài)的形式存在于燒結(jié)體的晶界,既作為燒結(jié)助劑加速了燒結(jié)的進(jìn)程,得到了均勻的、致密的燒結(jié)0體,同時(shí)又使材料的晶界電導(dǎo)率得到提高。
Also according to the basic solution matrix, hopf bifurcation of is investigated by creating subsequence functions, the measure of which differs from that of autonomous system . in the paper i apply myself to seek out a new idea to investigating heteronymous system that is no longer stickled in autonomous system 同樣以這個(gè)基本解方陣為依據(jù),本文接著研究二維周期系統(tǒng)的hopf分支,所用方法是構(gòu)造后繼函數(shù)法,但在具體構(gòu)造方法上,與自治系統(tǒng)的hopf分支不同,本文致力于探索一種不再拘泥于自治系統(tǒng)的,研究非自治系統(tǒng)hopf分支的新思路。