An infinite series whose terms are constants multiplied by sine and cosine functions and that can, if uniformlyconvergent, approximate a wide variety of functions.
一列连续与正弦、余弦函数相乘的无穷级数，若是趋向同一点时，可模拟一系列多种函数。
2
This paper studies the necessary and sufficient condition of uniformlyconvergent difference scheme for the elliptic-parabolic partial differential equation with a small parameter.
本文研究小参数椭圆-抛物偏微分方程一致收敛差分格式的充要条件。
3
If the grid points are different and dense in the interval of the solution, then approximate solution is convergentuniformly to the exact solution.