gamma function

發(fā)布時間：2025-08-20 | 來源：互聯(lián)網(wǎng)轉(zhuǎn)載和整理

網(wǎng)絡(luò)伽馬函數(shù); 伽瑪函數(shù); Γ函數(shù); 函數(shù); gamma函數(shù)

雙語例句

Using gamma function, the paper popularized the common conceptions of the usual factorial, permutation and combination and proved some combination formulas in common use. 依照伽馬函數(shù)，對通常的階乘、排列、組合的概念進行了推廣，并證明了一些常用的組合公式。

Evaluation of Right Ventricular Function in Patient with Chronic Cor Pulmonale by Gamma Cardiac Function Device 心功能儀對肺心病患者右心功能的評價

Returns the natural logarithm of the gamma function. See Help for the equation used 返回γ函數(shù)的自然對數(shù)。有關(guān)方程式的信息，請參閱幫助

Popular choices are the exponential and inverse power functions typically used in entropy models, and the gamma function often recommended in US planning practice. 大多數(shù)的選擇是指數(shù)和熵模型中常用的反冪函數(shù)，在美國的計劃編制中通常建議采用γ數(shù)。

Gamma Function Approximation of Bower of Aggregate Claim Distribution for Two Different Risk Processes 兩類風(fēng)險過程總理賠量的Bower的Gamma函數(shù)近似

The monotonicity and logarithmically complete monotonicity properties for the Gamma function are obtained. 伽瑪函數(shù)的單調(diào)性質(zhì)和對數(shù)完全單調(diào)性質(zhì)被獲得了。

A Common Singular Integral Formula from Gamma Function 由伽馬函數(shù)引出一個較普遍的反常積分公式

The difference in physical parameters between the Marshall-Palmer exponential distribution function and gamma distribution function determined becomes greater when the order of moment increases. 由此確定的MP分布函數(shù)和Γ分布函數(shù)在計算不同階數(shù)矩對應(yīng)的物理參量時存在差別，矩的階數(shù)越高，差別越大。

In this paper, a transform factor which belongs to the inverse Gamma distribution function is introduced and the integrated inferring technology of reliability growth ***ysis is gained. 引入服從逆Gamma分布的折合因子，得到一種可靠性增長分析的整體推斷技術(shù)。該技術(shù)是閉合的，具有遞推分析形式。

Computation of auxiliary functions in molecular integral up to arbitrary accuracy(ⅰ) evaluation of incomplete gamma function by forward recurrence scheme 分子積分中輔助函數(shù)的任意精度計算（Ⅰ）&用向前遞推方案計算不完全Gamma函數(shù)

According to the basic concept of Gamma function and Γ( x) distribution, this paper gives out some expression including probability density, distribution function and basic numeric characteristic value. 依據(jù)Gamma函數(shù)及Γ（x）分布的基本概念，給出了非均質(zhì)性儲層滲透率K的概率密度、分布函數(shù)以及基本數(shù)字特征的表達式。

Take the Gamma distribution function as the fitting function, fit with the way of least square and calculate the characteristic parameters from the Gamma function. 選擇Gamma分布函數(shù)作為擬合函數(shù)，使用最小二乘法進行擬合，并從Gamma函數(shù)計算特征參數(shù)。

Under high resolution radar, it is more suitable for the generalized gamma probability density function ( G Γ-pdf) that characterizes the speckle component and modulation component in the clutter. The expression of generalized compound ( GC) pdf is derived based on this. 高分辨力雷達體制下，雜波散斑分量與調(diào)制分量更適合用廣義Gamma分布模型描述，在此基礎(chǔ)上本文推導(dǎo)了廣義復(fù)合模型表達式；

Geometric Convexity of Gamma Function Gamma函數(shù)的幾何凸性

In this paper, we consider the characteristics and application of gamma function which is defined by generalized integral of parametric variable. 本文研究用含參變量的廣義積分定義的特殊函數(shù)-Γ函數(shù)的性質(zhì)及應(yīng)用。

Clinical evaluation of the measurement of left ventricular systolic and diastolic function using the gamma cardiac function device γ心功能儀測定左室收縮功能和舒張功能的臨床評價

Additionally, the Gamma distribution function is proposed for the positive skewed distribution, and the parameter m in the function is also discussed. 提出了描述氣泡拖尾分布的Γ函數(shù)分布，并討論其分布函數(shù)中參數(shù)m的物理意義。

The water routing process is expressed with Gamma function importing a delay time parameter which can be calculated simply from river travel. 在徑流演算模塊中，將分布式瞬時響應(yīng)表示為一個帶有滯時的伽馬函數(shù)，該滯時等于徑流從網(wǎng)格所在位置至流域出口經(jīng)歷的河道匯流的傳播時間。

To fit the observed raindrop size distribution, the gamma size distribution function was assumed and the parameters of the function were determined by moment method. 為了擬合實際觀測的雨滴譜資料，采用不同階數(shù)矩確定譜分布函數(shù)的譜參數(shù)。

Strict error ***ysis is carried out for two kinds of backward recursive algorithm, series expansion and continued fraction approximation, of incomplete Gamma function Fm ( x). 對不完全Gamma函數(shù)Fm（x）兩種向后遞推算法（級數(shù)展開和連分式逼近）進行了嚴格的誤差分析。

The gamma function and its application Γ函數(shù)及應(yīng)用

A Study on the General Algorithm of Gamma Distribution Function and S ( t) Curve Γ分布函數(shù)與S（t）曲線通用算法的研究

At present, the method still has some shortcomings in prac-tice, so we have transformed its mathematical expression, made it to be evaluation of gamma distribution function, and given its general ***ytic expression and estimation formula on truncation error. 為此對其數(shù)學(xué)表達式進行了變換，把它歸納為求解Γ分布函數(shù)的值，并給出了其通用算法的解析表達式和截斷誤差估計式。

We shall construct three different mathematical forms of Euler's constant γ by two different mathematical forms of Gamma's function, and calculate the improper integral, the sums of some numeral series, the infinite product and so on by Euler's constant γ. 本文通過格瑪函數(shù)Γ（x）的兩種不同表達方式建立Euler常數(shù)γ的三個不同的數(shù)學(xué)表達式，并由此來計算有關(guān)非正常積分、級數(shù)的和以及無窮乘積的值等。

In this paper, the author has improved the definition of TTT-transformation in [ 1], and obtained some of it'S properties, and gave the TTT-transformation of Weibull distribution by the incomplete Gamma function. 本文改進了李金林提出的關(guān)于TTT變換的定義，獲得了TTT變換的若干性質(zhì)，并利用不完全Gamma函數(shù)給出了Weibull分布的TTT變換。

High Precision Approximation of Gamma Function by Using Cone Curve 伽瑪函數(shù)的高精度二次曲線逼近

The Gamma distribution function Γ(α,β) is always used as a prior distribution density function of Bayesian exponential reliability growth model. Different value of α,β will make considerable difference in evaluating results. Gamma分布函數(shù)Γ（α，β）常常用作貝葉斯指數(shù)可靠性增長模型的先驗分布密度函數(shù)，參數(shù)α、β值的不同，將使增長試驗的評估結(jié)果有很大的差異。

The value of incomplete gamma function is computed according to the approximate entropy parameter to measure the randomicity of different bit planes sequence, which is affected by texture complexity of an image. 以近似熵為參數(shù)，根據(jù)計算得到的不完全伽馬函數(shù)度量圖像不同位平面序列隨機性的強弱，并分析了圖像紋理復(fù)雜度與位平面序列隨機性強弱的關(guān)系。

Because the mathematical expressions of the software development process cost function are so complicated and Gamma function is usually applied in statistic theory, so we can deal with this kind of model easily. 由于軟件開發(fā)中的過程成本函數(shù)一般具有比較復(fù)雜的數(shù)學(xué)形式，采用統(tǒng)計理論中常用的Gamma函數(shù)形式可以使得這種模型在數(shù)學(xué)上更為容易處理。

With the help of the existed results in the field of hardware reliability research area, we present a convert method with Gamma function to express the Rayleigh model of human resource allocation during software development process. 通過借鑒硬件開發(fā)中過程模型的研究成果，提出了一種采用Gamma函數(shù)的轉(zhuǎn)換方式來表達軟件開發(fā)中關(guān)于資源分配的過程的Rayleigh模型。