搜索 - 科创

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要讲拉普拉斯矩阵，就要从拉普拉斯算子讲起，要讲拉普拉斯算子，就要从散度讲起～于是我们从散度开始，发车啦～～～通量与散度首先我们来看一道初中物理题：小明乘帆船出行，刮来一阵妖风，假设帆的面积为 , 和妖风的夹角为

4、双线性插值+锐化（拉普拉斯算子）效果还行，颜色过渡边缘有点不平滑，计算速度每帧1.25ms（卷积计算太费时间）。5、双立方插值+锐化目前最好水平了，效果比较满意，有点像1080p高清了。

那么，同样的，E（▽·▽）就可以换成（▽·▽）E，而它还可以写成▽²E，这样就牵扯出了另一个大名鼎鼎的东西：拉普拉斯算子▽²。

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