Fractional-Derivative Approximation of Relaxation in Complex Systems

<div>Range of applicability of five-parameter set <svg height="14.865549pt" id="M217" style="vertical-align:-3.429431pt" version="1.1" viewbox="-0.049816 -11.436118 178.64744 14.865549" width="178.64744pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M625 186C574 85 512 32 429 32C293 32 194 153 194 337C194 485 274 621 419 621C496 621 573 586 606 468L643 475C636 537 629 583 620 638C593 644 519 665 438 665C199 665 42 523 42 317C42 158 152 -15 418 -15C486 -15 578 5 604 11C621 46 647 122 660 171L625 186Z"></path></g><g transform="matrix(.013,0,0,-0.013,12.453,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z"></path></g><g transform="matrix(.013,0,0,-0.013,23.744,0)"><path d="M300 -147C201 -63 143 98 143 270S200 602 300 686L282 710C136 610 70 450 70 271V270C70 89 136 -72 282 -170L300 -147Z"></path></g><g transform="matrix(.013,0,0,-0.013,28.259,0)"><path d="M474 429L457 433C435 440 389 448 367 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Complexity

Fractional-Derivative Approximation of Relaxation in Complex Systems

Figure 6