Primary resonance of fractional-order Duffing–van der Pol oscillator by harmonic balance method<xref rid="cpb_27_12_120502fn1" ref-type="fn">*</xref><fn id="cpb_27_12_120502fn1"><label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11872254 and 11672191).</p></fn>

Primary resonance of fractional-order Duffing–van der Pol oscillator by harmonic balance method**

Project supported by the National Natural Science Foundation of China (Grant Nos. 11872254 and 11672191).

Li Sujuan¹, Niu Jiangchuan^{2, †}, Li Xianghong³

(color online) Comparison of amplitude–frequency response.