On the Essential Instabilities Caused by Fractional-Order Transfer Functions

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plotted versus <svg height="7.0124998" id="M116" style="vertical-align:-0.0pt" version="1.1" viewbox="0 0 6.5 7.0124998" width="6.5" xmlns="http://www.w3.org/2000/svg">
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Mathematical Problems in Engineering

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Figure 4

Figure 4: On the Essential Instabilities Caused by Fractional-Order Transfer Functions 