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piecewise polynomial中文什么意思

發(fā)音:   用"piecewise polynomial"造句
  • 分段多項(xiàng)式
  • polynomial:    adj. 1.【動(dòng)、植】多詞學(xué)名的。 2.【數(shù)學(xué)】多項(xiàng)式 ...
  • piecewise polynomial approximation:    分段多項(xiàng)式逼近; 分段多項(xiàng)式近似
  • piecewise polynomial interpolation:    分段多項(xiàng)式插值
  • piecewise:    分段地
  • polynomial:    adj. 1.【動(dòng)、植】多詞學(xué)名的。 2.【數(shù)學(xué)】多項(xiàng)式的。 n. 1. 【動(dòng)、植】多詞學(xué)名。 2. 【數(shù)學(xué)】多項(xiàng)式。 a polynomial expression 多項(xiàng)式。
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例句與用法

  1. They have the properties like the quadratic uniform b - spline basis functions . the piecewise polynomial curves generated by the above - mentioned functions possess the same structure and geometry properties as piecewise quadratic uniform b - spline curve
    它們具有二次均勻b樣條基函數(shù)的性質(zhì)，且用它們生成的分段多項(xiàng)式曲線具有與分段二次均勻b樣條曲線相同的結(jié)構(gòu)和幾何性質(zhì)。
  2. The method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and controls , thus converting the optimal control problem into a nonlinear programming problem . the method is remarkably robust to initial guesses , which is better than traditional method
    這種方法利用了近些年來(lái)發(fā)展起來(lái)的直接優(yōu)化技術(shù)，用分段多項(xiàng)式來(lái)表示整個(gè)軌道的狀態(tài)和控制向量，將最優(yōu)控制問(wèn)題轉(zhuǎn)化為非線性規(guī)劃問(wèn)題來(lái)研究。
  3. In the computational methods of tpbvp , in order to reduce some difficulties involved in solving a tpbvp via adjoint variables , we discuss a direct method in which state and control variables are indirectly parameterized , the method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables , thus converting the optimal control problem into a nonlinear programming problem , which can be solved numerically . it makes the initial iterative variable more easy to be determined
    在數(shù)值解法中，為了減少解決兩點(diǎn)邊值問(wèn)題共軛變量帶來(lái)的困難，主要討論了將狀態(tài)變量和控制變量進(jìn)行參數(shù)化的一種直接方法，這種方法采用了近段發(fā)展起來(lái)的使用分段的多項(xiàng)式來(lái)代替狀態(tài)和控制變量的直接優(yōu)化方法，然后最優(yōu)控制問(wèn)題就轉(zhuǎn)化成可以用數(shù)值方法解決的非線性規(guī)劃問(wèn)題，使得迭代初值更加容易選取。

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