查询词典 triangular number

The triangular face internal pixel color under the vertex color diffuse reflectance, it is a triangular gradient colors surface.

该三角形面内部的像素颜色根据顶点颜色进行漫反射，因此是一个颜色渐变的三角形面。

Isosceles triangular wave generator, which in some Simulink ramp and triangular wave off-the-shelf modules, But isosceles triangle wave, there is no, it is available to everyone.

等腰三角波发生器，在simulink 中有的是锯齿波和三角波的现成模块，可是等腰三角波的就没有了，现提供给大家。

Isosceles triangular wave generator, which in some Simulink ramp and triangular wave off-the-shelf modules, But ...

等腰三角波发生器，在simulink 中有的是锯齿波和三角波的现成模块，可是等腰三角波的就没有了，现提供给大家。

In this paper,first,we analysis that there is an upper triangular matrix or a lower triangular matrix which is similar to a square matrix.

而当n比较大时，若A中的元素含非零元素比较多，这时求特征多项式有时也比较复杂。

A substance is through the primary transformation into an upper triangular matrix, the transformation matrix is a unit lower triangular matrix.

实质上是将A通过初等行变换变成一个上三角矩阵，其变换矩阵就是一个单位下三角矩阵。

By means of similarity transformation upon the state matrix, an upper triangular matrix or lower triangular matrix is found. The eigenvalues of the original system can be obtained through a series of low-dimension matrixes over the principal diagonal.

该方法对系统状态矩阵进行相似变换，得到分块上三角或下三角矩阵，使原系统特征值可以通过主对角线上一系列相互独立的低维矩阵求得。

Comparing with traditional LU numerical decomposition algorithm to solve each row of lower triangular matrix L and each column of upper triangular matrix U, the proposed method is easy to program and efficient In addition, the structure symmetry of Jacobian matrix and the experience of compiler optimization are also adopted in this research, it makes less required memory for the proposed algorithm and higher calculation efficiency.

这种算法和求取L阵每列和U阵每行的传统LU分解方法相比，具有编程简单、计算效率高的优点。另外，雅可比矩阵结构对称以及编译器优化的经验也应用到文中，使得算法不仅占用内存较少，且效率较高。

By using the method of limited unit , we build up the stiffness matrix of triangular unit of the light gauge sheet of variable thickness and produce the mathematic model for the computation of the stress and displacement at the center of the triangular unit .

应用有限元方法，建立了变厚度薄板三角形单元刚度矩阵，给出了变厚度薄板三角形单元形心上的应力和位移计算的数学模型。

Sepals triangular to ovate-triangular; leaf blades abaxially densely white tomentose, shallowly obtusely serrate.

萼片三角形到卵形三角形；浓密白色被绒毛的叶片背面，浅钝锯齿。

Plant high 30-70 cm; leaves triangular to triangular-ovate; margin of tepals and anthers purple; fruit orbicular.

植株高的30-70厘米；叶三角形的到三角状心形；花被片和花药的边缘紫色；果圆形。

Chimborazo and Cotopaxi, took me by the hand.

越过琴博腊索山和科托帕克西山。

This car is in a good condition.

这辆车的状况很好。