| 1. | Blending of three implicit quadratic algebraic surfaces and application study on pipe tee t engineering 1拼接及其在三通管道工程上的应用研究 |
| 2. | This paper proves that the rolling sphere surface determined by two algebraic surfaces is also an algebraic surface 摘要证明由两代数曲面所确定的滚球曲面仍是代数曲面。 |
| 3. | The computer journal , 1972 , 16 : 157 - 160 . 21 blinn j f . a generalization of algebraic surface drawing 我们的方法是首先确定需要保持的部分,然后生成逼近的相交曲线以构建物体。 |
| 4. | 23 bajaj c , xu g . spline approximation of real algebraic surfaces . journal of symbolic computation , 1997 , 23 : 315 - 333 基于向量运算,我们给出了插值曲面的完全显式解,保证了曲面的快速生成。 |
| 5. | In the first part , by using the method of characteristic curves for solving linear partial differential equations , all invariant algebraic surfaces for three nonlinear systems are obtained 第一部分,利用求解线性偏微分方程的特征曲线法,得到了三个系统的所有不变代数曲面。 |
| 6. | The problems on parameterization of implicit algebraic surfaces and inversion of parametric surfaces are discussed and the inversion equations for some nurbs surfaces are derived in detail 探讨隐式曲面参数化及cad超曲面重构技术研究及其应用参数曲面反演问题,具体导出了一些nurbs曲面的反演方程。 |
| 7. | In this paper , we discuss parameterization of implicit blending algebraic surfaces of three quadratic surfaces . we get the complicated mathematical formulas by maple and develop a software which has a friedly interface by opengl and c + + 从早期研究的两个管道曲面拼接,到三个管道曲面拼接,从轴心垂直的共面情况,到轴心互相不垂直的异面情况,二次曲面拼接的理论被日益完善 |