(全网唯一)分数阶熵系列-matlab

发布时间 2023-07-11 19:09:55作者: RagdollCat

基于Matlab实现了多个分数阶熵。

值得注意的是,下面?有些方法文献中并未提及,这里是全网首发

分数阶微积分(Fractional Calculus, FC)由莱布尼茨引入数学,并在生物学、物理学和工程领域得到了应用。这一进展推动了新的熵指标和分数算子的形成,通常放宽了一些性质,并允许它们在复杂动力系统中的应用。从FC的角度出发,提出了α 阶的信息和熵

I_\alpha\left(p_i\right)=D^\alpha I\left(p_i\right)=-\frac{p_i^{-\alpha}}{\Gamma(\alpha+1)}\left[\ln p_i+\psi(1)-\psi(1-\alpha)\right]

S_\alpha=\sum_i\left\{-\frac{p_i^{-\alpha}}{\Gamma(\alpha+1)}\left[\ln p_i+\psi(1)-\psi(1-\alpha)\right]\right\} p_i

具体有:


# 1.分数阶近似熵(Fractional Approximate entropy)https://mbd.pub/o/bread/mbd-ZJuWk5hv

# 2.分数阶样本熵(Fractional Sample Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5hy

# 3.分数阶模糊熵(Fractional Fuzzy Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5lp

# 4.分数阶排列熵(Fractional Permutation Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5lq

# 5.分数阶散布熵(Fractional Dispersion Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5ls

# 6.分数阶冒泡熵(Fractional Bubble Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5lt

# 7.分数阶增量熵(Fractional Increment Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5lu

# 8. 分数阶分布熵(Fractional Distribution Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5lv

# 9.分数阶余弦相似熵(Fractional Cosine Similarity Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5lw

# 10.分数阶相位熵(Fractional Phase Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5lx

# 11.分数阶斜率熵(Fractional Slop Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5ly

# 12. 分数阶网格分布熵(Fractional Gridded Distribution Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5pp

# 13.分数阶散度熵(Fractional Diversity Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5pq

# 14.分数阶注意熵(Fractional Attention Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5pr

# 15.分数阶模糊散布熵(Fractional Fuzzy Dispersion Entropy)https://mbd.pub/o/bread/mbd-ZJuWk5ps

结果展示: