Based on the primary quadric error metric arithmetic, combined with boundary constrained condition and normal restriction, the primary arithmetic is modified and the application scope is extended.
在二次误差度量算法的基础上，考虑边界约束条件和法向量限制，扩展了算法的应用范围。
In order to avoid this kind of error, this paper presents a method to distinguish tables from graphics based on the structural constrained information of table frame lines and cells.
为避免对误判的表格或图形进行识别而产生的错误结果，文章提出了一种根据表格框线信息和表格单元信息来区分表格与图形的方法。
This paper presents an optimization of centered finite-difference operator based on the principle of constrained cost function, which can reduce the truncation error to minimum.
作者根据约束性代价函数原理提出了能够使得截断误差最小化的中心差分优化算子。
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