查询词典 polynomial approximation

Analysis of the feature and geometry of the normal compaction trend is used to establish the compaction trend with polynomial of degree 2 or 3 or polygonal line, and to predict the distribution of geopressure using the method of seismic transit time deviation -pore pressure gradient in Yinggehai bas.

研究了压力预测的方法，推导地震声波时差差值—压力梯度法的计算公式并指出它的优点是能够充分利用已知的钻井实测压力资料；从理论上分析了正常压实趋势线的性质和形态，并用2~3次多项式和分段函数建立正常压实趋势线；根据莺歌海盆地高温高压及沉积速率高、泥底辟发育的特征，建立合理的压实趋势线，并用声波时差差值—压力梯度法预测了莺歌海盆地的压力分布。

Basing on the coordinating equations of multivariate spline space, we firstly study the smooth connection problem of the bivariate quadratic polynomial spline functions which defined on the polygonal region with one interior net

最后说明了在一种类1—型三角剖分上二元二次样条函数s∈S_2~1的存在性及在其上曲面光滑连接的可行性。

Using the 19-order non-linear math polynomial, and the coefficient parameters can be obtained by method of least square.

使用数学中19阶多项式非线性函数建模，模型中的参数用最小二乘法求取。

There is apparently no approach that is simpler than converting the polynomial to coefficient form first, and then evaluating it at the new point.

最简单的方法，先将多项式转换为系数表示形式，再求多项式在新点处的值？

The answer hinges on our ability to convert a polynomial quickly from coefficient form to point-value and vice-versa.

该问题依赖于我们将多项式从系数表示快速转换为点值表示的能力，或相反。

Through analysis, we find that the fitting center is changing with coefficient of the polynomial, which causes the error.

对产生这些现象的原因进行了分析，指出拟合过程中拟合中心点随正交多项式系数的改变是导致拟合不够准确的主要原因，提出采用常规二次多项式取代正交多项式进行数据拟合，以克服正交多项式拟合方法的缺陷。

There is reason coefficient polynomial in there is reason few area top can't invite of judge axioms is algebra learned of important problem.

翻译一段数学上的东西，高手帮忙下'''有理系数多项式在有理数域上不可约的判定定理是代数学中的重要问题。

Finally a solid example for raiseding some can't inviting whole coefficient polynomial.

最后例举了一些不可约整系数多项式的实例。

Data of the liver will be fitted and mined by polynomials of order ten, and the pathologic status was identified by the coefficient of polynomial.

把处理结果数据化，利用十次多项式来进行拟合与数据挖掘，最后通过多项式的系数来确定肝脏的病变情况。

When the IPR method is used in the cases that there are few sources with same frequency, the matrix composed of noise eigenvectors is processed complexly. So we construct the matrix for computing the coefficient of polynomial with signal subspace.

针对IPR算法在信号较少时，噪声特征向量构成的矩阵计算量较大的问题，改进算法从信号子空间出发求出构造多项式的系数，从而求得到达角。

We were cousins—his grandfather was King of Scots,and his great-grandfather was Henry VII of England.

我们是堂姐弟——他的祖父曾是苏格兰国王，他的曾祖父是英格兰的亨利二世。

I do want to help you, but I am in a quandary now!

我是想帮你，但是我现在左右为难啊！