Dark and multi-dark solitons in the three-component nonlinear Schrödinger equations on the general nonzero background<xref rid="cpb_28_12_120201fn1" ref-type="fn">*</xref><fn id="cpb_28_12_120201fn1"><label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant No. 11771151), the Guangdong Natural Science Foundation of China (Grant No. 2017A030313008), the Guangzhou Science and Technology Program of China (Grant No. 201904010362), and the Fundamental Research Funds for the Central Universities of China (Grant No. 2019MS110).</p></fn>

Dark and multi-dark solitons in the three-component nonlinear Schrödinger equations on the general nonzero background**

Project supported by the National Natural Science Foundation of China (Grant No. 11771151), the Guangdong Natural Science Foundation of China (Grant No. 2017A030313008), the Guangzhou Science and Technology Program of China (Grant No. 201904010362), and the Fundamental Research Funds for the Central Universities of China (Grant No. 2019MS110).

Xiong Zhi-Jin¹, Xu Qing², Ling Liming^{2, †}

The error E between the exact solutions and the numerical solutions (Fig. 7) about time t.