Given a graph of a fractal interpolation function f which is the attractor of an unknown IFS with affine constration maps w1 ,w2 ,… ,wN ,the maps wi(i= 1,2,… ,N)are found based on the self-similarity of the zero-cro...Given a graph of a fractal interpolation function f which is the attractor of an unknown IFS with affine constration maps w1 ,w2 ,… ,wN ,the maps wi(i= 1,2,… ,N)are found based on the self-similarity of the zero-crossing points of wavelet transform. The effectiveness of method is shown in an example.展开更多
介绍了矩形区域上由迭代函数系(iterated function system,IFS)生成的二元分形插值函数的不定积分.首先证明二元插值函数的不定积分也是由迭代函数系迭代生成的,并得到了其迭代函数系.其次,证明了二元插值函数的不定积分的2阶混合偏导...介绍了矩形区域上由迭代函数系(iterated function system,IFS)生成的二元分形插值函数的不定积分.首先证明二元插值函数的不定积分也是由迭代函数系迭代生成的,并得到了其迭代函数系.其次,证明了二元插值函数的不定积分的2阶混合偏导数等于其二元插值函数本身的充要条件,并推广到2N阶的情形.展开更多
文摘Given a graph of a fractal interpolation function f which is the attractor of an unknown IFS with affine constration maps w1 ,w2 ,… ,wN ,the maps wi(i= 1,2,… ,N)are found based on the self-similarity of the zero-crossing points of wavelet transform. The effectiveness of method is shown in an example.
文摘介绍了矩形区域上由迭代函数系(iterated function system,IFS)生成的二元分形插值函数的不定积分.首先证明二元插值函数的不定积分也是由迭代函数系迭代生成的,并得到了其迭代函数系.其次,证明了二元插值函数的不定积分的2阶混合偏导数等于其二元插值函数本身的充要条件,并推广到2N阶的情形.
