algebraic value 中文意思是什麼
algebraic value
解釋
代數值-
The classic difference scheme of euler is employed to solve the forward problem, and the truncated singular value decomposition is used to solve the ill - conditioned system of algebraic equation
用古典歐拉差分格式求解正問題，用截斷奇異值分解法求解病態方程組。 -
With the characteristic function method, necessary and sufficient algebraic criteria have been developed for a class of three - delay linear difference systems. the key of the criteria is to verify that the value of a trigonometric polynomial is less than one
藉助特徵函數法，獲得了一類三時滯線性差分系統的充要代數準則，其核心是判定某三角多項式的值小於1 ，這一問題由繪圖法解決。 -
Therefore it comes true the on - line adjusting, real - time control and so on. it sames as real locale. the software of logic protect ( include electric logic ) and control includes some usual algebraic and operation model of thermal control and logic operation of logic protect. it adopts foxboro ' s dcs as a example, so we configuration via filling table, user only define i / o condition, fill certain operation variable, and name logic variable. the software offers a friendly user ' s interface, personnel can compile and modify the control and logic program, change the value of logic and control variable conveniently, attach themselves to run, debug and control the set, not need to know about the inside of the old programs deeply. so the configuration software offer a flat that control engineer can attend to the structure of control loop and logic protect ( include electric logic ), not but to handle complicated program
它以foxboro的dcs控制系統為主要參考模式，採用填表的方式進行控制組態，用戶只需定義i / o條件、填寫具體的運算變量名、邏輯變量名即可。本軟體為建模人員提供了一個友好的用戶界面，使建模人員在建模時不必對模塊內部的控制、邏輯程序有很深的了解就可以方便的對其進行編寫和修改，實時改變各邏輯和控制變量在數據庫里的值，參與運行和調試，從而實現對機組的控制。因此，本組態軟體提供的這樣一個平臺，讓控制工程師能集中精力于控制迴路及邏輯保護（包含電氣邏輯）的構成，而不必拘泥於一些具體而煩瑣的程序操作。 -
Standard face images are formed through the above - mentioned processing. during the feature extraction, for those standard face images, regarding the between - class scatter matrix as generating matrix, we extract the algebraic features of face images through k - l transform and singular value decomposition
在人臉特徵提取過程中，對經過預處理的標準人臉圖像，以類間散布矩陣為產生矩陣，通過k - l變換降維並結合奇異值分解來提取人臉代數特徵。 -
As a result, the algebraic sum of rotatory value of related helix is not equal to zero, thus resulting in optical activity
根據這些螺旋的可極化性，可以準確地預測這類化合物的旋光方向。 -
Value distribution of admissible solutions of a type of systems of algebraic differential equations
一類代數微分方程組允許解的值分佈 -
Based on the theory of structured singular value, this thesis provides necessary and sufficient algebraic criteria for the delay - independent stability of a class of multiple - delay systems of neutral type
藉助結構奇異值理論，獲得了一類多時滯中立型系統的時滯無關穩定充要代數準則。 -
Second, combining with the construction principle of geometry - goppa codes, we present a kind of new algebraic - geometry code by using the properties of algebraic curves on finite fields. we determine the value of the code - length n and d imension k, and the lower bound of the minimal distances of the new algebraic - geometry code. the new algebraic - geometry code have the following characteristics : ( l ) the new code is the generalization of geometry - goppa codes and the algebraic - geometry code constructed by chaoping xing and san ling in 2000 ( 2 ) compared with brouwer ' table of the best known codes, we find more new codes, there are at least 60 new codes under two - dimension cases
其次，結合幾何goppa碼的構造原理，利用有限域上代數曲線的特點來構造代數幾何碼，確定了新的代數幾何碼的碼長n和維數k的取值，給出了最小距離d的下限，這類碼的特點是： （ 1 ）新的代數幾何碼是幾何goppa碼和新加坡國立大學chaopingxing和sanling在2000年所構造的代數幾何碼的推廣； （ 2 ）這類碼中有許多種碼的參數優于brouwer碼表，僅二維情形時，就有60多種碼優于brouwer碼表。 -
As to feature extraction, it can be divided into two parts because face features can be divided into geometrical features and algebraic features. while extracting geometrical features, the features of eyes, nose, mouth, eyebrows can be gained by some image processes : binary, sharpen, smooth, projection, calculating gradient and so on. in order to extract algebraic features, we can do some mathematical transformation for the digital images such as singular value decomposition, k - l transformation
首先根據人臉圖像二值化圖中頭發塊的輪廓，確定出人臉的一次輪廓；然後在人臉的一次輪廓中以黑塊分析與投影分析相結合的方法定位出人眼，黑塊分析基於圖像的二值特徵以及人眼的幾何特徵，投影分析則基於圖像的灰度特徵進行，它對黑塊分析的結果進行補充；根據定位出人眼信息，取出人臉的二次輪廓；對人臉的二次輪廓進行標準化，獲取人臉的標準圖像。 -
Using the theory and method of value distribution of meromorphic functions, the value distribution problem of meromorphic solutions to some systems of higher order non - linear algebraic differential equations is discussed
摘要利用亞純函數值分佈理論及方法，研究了一類代數微分方程組允許解的值分佈問題，得到了一個結果。 -
The characteristic value of the so - called inverse algebraic eigenvalue problem is that under certain restrict conditions against the question, elements of matrix are determined according to eigenvalue or eigenvector. the practical inverse alebraic eigenvalue problem arose in phisical chemistry in the study of molecular structures. it arises in various areas of application in a lot of filelds, such as dispersed system of physical mathematic, design of vibration system of the structure, correct and control, particle nuclear spectroscopy, linear variable control system and so on
所謂代數特徵值反問題就是在一定的限制條件下，根據給定的特徵值或特徵向量決定矩陣的元素，它是在研究物理化學中研究分子結構時發現的。矩陣特徵值反問題在數學物理反問題的離散系統、結構振動系統的設計、校正與控制、粒子物理的核光譜學、線性多變量控制系統的極點配置等許多領域都具有重要的應用。
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