By some abstract results of operator equation, the fourth order singular boundary value problem was discussed.
利用算子方程的一些抽象结果来讨论四阶奇异边值问题。
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Abstract: Matrix keyboard key operation management efficiency and effective method, which can improve the system accuracy, to save resources, reduce the operator itself quality requirements.
This paper uses the operator of mathematical morphology to abstract image skeleton and carries out the matching of moulding board according to the skeleton angular point of image.