cubic curve 中文意思是什麼
cubic curve
解釋
立方次曲線-
Research on the velocity field of the cubic - curve tube type hydrocyclones
三次曲線管型水力旋流器的速度場研究 -
It offers the idea according to problem faced, considering the good character of the ends, the ajusted cubic b - spline curve is used to fit ship lines. it finds out the control vertexs according to a sequence of given points, and then, through particular formula, each point in the curve could be worked out. it smoothes lines with the method based on small - paramter
針對面臨的問題，提出了自己的思路，在數學計算方法上，由於三次準均勻b樣條曲線良好的端部性質，這里用它來擬合船舶型線，首先根據所給的初步型值求出其控制頂點，然後根據相關公式進行插值便能得到曲線上的所有插值點。 -
In a word, because the cubic interpolation is superior to the other two methods, we should use the cubic interpolation for construction of zero - yield curve and for evaluation of the irdp as far as possible
總之，立方插值法優于其他兩種插值方法。因此，在構造零息收益曲線，或為利率衍生產品進行定價時；應盡可能地使用立方插值法。 -
In order to verify the feasibility of ann, adopting same training sample the author establishes quadratic curve model and index model of tourism foreign exchange income and cubic curve model and index model of total inbound tourist quantity
為了驗證人工神經網路模型的可行性，筆者用同樣的訓練樣本分別建立了旅遊外匯收入二次曲線模型、指數曲線模型和入境遊客三次曲線模型、指數曲線模型。 -
This paper reaches a conclusion that the three methods of term structure estimation lead to the difference of the pricing of irdp and that the cubic interpolation is the best method when these methods are applied to construction of zero - yield curve and evaluation of coup bond, zero - bond option and interest rate swap
立方插值法在零息收益曲線的構造時以及在對附息債券、債券期權、利率互換定價時優於三次樣條插值法和線性插值法，是三種插值方法中最好的方法。 -
This research is based on a group of countries in deferent developing phase in the same period. then, by using spss statistic software, from the regressive model, we made a conclusion that a cubic curve is found to describe the law of the housing ratio that change with economic development. we hereby divide the cubic curve into three phases : rising, falling, and re - rising, then we analysis the character of each phase
本文採用橫向數據分析法，研究了同一時期處于不同經濟發展水平的一系列國家住宅產業增加值在gdp中所佔的比率，然後藉助spss統計軟體進行回歸分析，得出了住宅比率隨經濟發展呈現三次曲線的變化規律的結論，並據此劃分了住宅產業發展軌跡的三個階段，即上升階段、下降階段、再上升階段，分析了每個階段的基本特徵。 -
In calculation, cubic spline curve is used to instead contour line. this method can increase the precision of curvilinear distance measurement
並在具體計算時，採用三次樣條曲線代替輪廓線，提高了曲線長度的計算精度。 -
The stress - strain curve of new - old concrete and hprrc, are suggested to be modeled by two sections : the ascending section of the stress - strain curve is simulated by cubic parabola equation and the descending section is simulated by rational fraction, where the theoretical value is in good agreement with the test value. the research results also provide a theoretical basis of earlier stage for improving crack resistance of new - old concrete interface
新一老硅及hprrc應力一應變全曲線建議採用兩段式擬合:上升段採用三次拋物線方程模擬，下降段採用有理分式模擬，理論值與試驗結果吻合較好。該研究成果為新老混凝土結合面抗裂能力的提高提供了前期的理論基礎。 -
A fairing method based on energy me thod for cubic b - spline curves is presented. since only local control vertices ar e modified, this method, compared with energy method, not only makes the c omputation faster, but also makes the changes in shape of curve less
4 ）研究了b樣條曲線光順的問題，在傳統能量法的基礎上提出了b樣條曲線的一種光順方法。該方法通過對局部控制頂點的修改來進行曲線光順。 -
3 zhang c, cheng f, miura k. a method for determing knots in parametric curve interpolation. cagd, 1998, 15 : 399 - 416. 4 fritsch f n, carlson r e. monotone piecewise cubic interpolation
文章以四組有代表性的數據為實例，通過定義節點用樣條函數方法構造三次參數樣條曲線，將新方法與向心參數化法修整弦長參數化法和二次精度方法進行了比較。 -
In the last part of the article applications of space cubic ph to sweep surface modeling and pipe surface modeling are introduced, and sufficient criteria that guarantee that the offset of a sweeping surface are generated by the offset curves of the profile curve is investigated
最後，本文介紹了空間三次ph曲線在掃曲面和管道面造型方面的應用，並研究了一掃曲面的等距面為該掃曲面輪廓線的等距線所生成的充分條件。 -
The paper expounds the algorithms of generating quadratic curve. using quadratic curve and cubic bezier curve enforces the smooth of curves
論文闡述了幾種二次曲線生成演算法；說明如何應用二次曲線和三次bezier曲線擬合改善曲線的光滑性。 -
If there is a previous line or curve segment in the figure, a line is added to connect the endpoint of the previous segment to the starting point of the cubic curve
如果圖形中已有一段直線段或曲線段，則添加一段直線連接已有線段的終結點和立方曲線的起始點。 -
The results indicated that there were significantly positive correlation among most amino acids and protein contents ; and 4 linear regression, 5 quadri - curve and 7 cubic - curve respectively between each amino acid and protein content
結果表明，大多數氨基酸及其與蛋白質含量之間存在顯著的正相關關系；各氨基酸與蛋白質含量之間分別有4種呈線性回歸關系， 5種呈二次曲線關系， 7種呈三次曲線關系。 -
Research of interpolation on cubic nurbs space curve
空間曲線的插值研究 -
The planar quadratic system with an invariant cubic curve has at most one limit cycle
類方程的極限環存在性的注記 -
The cubic curve is constructed from the first point to the fourth point by using the second and third points as control points
立方曲線以第二個點和第三個點為控制點，從第一個點到第四個點來構造。 -
If there are previous lines or curves in the figure, a line is added to connect the endpoint of the previous segment to the starting point of the first cubic curve in the sequence
如果圖形中已有直線或曲線，則將添加一段直線連接已有線段的終結點和序列中第一段立方曲線的起始點。 -
Valuing these irdp rationally and precisely has been increasingly important. based on the research of foreign scholars. this paper studies three methods of term structure estimation ( linear interpolation, spline interpolation, cubic interpolation ) proceeding from methods of term structure estimation about yield curve that affect the valuation of irdp
本碩士論文在綜合國外學者研究成果的基礎上，主要從影響利率衍生產品估價的期限結構估測方法出發，具體詳細地研究了三種利率期限結構估測方法（線性插值法、三次樣條插值法、立方插值法）及其在利率衍生產品定價中的應用。 -
Based on the historical data of shanghai port container throughput, forecast models are established by using grey prediction model and cubic polynomial curve prediction model
摘要利用上海港國際集裝箱吞吐量的歷史數據，分別採用灰色預測法和三次多項式曲線模型建立了單項預測模型。
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