What is fractional calculus used for? In other words, what is the significance of the following: $\displaystyle \frac{d^{1/2}{y}}{dx^{1/2}} $ for a function $\displaystyle y = f(x) $? Are there any applications?
It's a cool topic. See here:
Fractional calculus - Wikipedia, the free encyclopedia
Here's an online text: Fractional Calculus - Table of Contents
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