I have the following system of equations $$ exp1 = c \partial{\chi} uB + 2 uB (uB h1 + vB h2) + \nu vB + \beta vB (uB^2 + vB^2) + \alpha \partial{\chi}^2 v_B == 0\ exp2 = c \partial{\chi} vB + 2 vB (uB h1 + vB h2) - \nu uB - \beta uB (uB^2 + vB^2) - \alpha \partial{\chi}^2 u_B == 0 $$ where I have $$h1=\text{TrigToExp}[\tanh (k x)];\h2=\text{TrigToExp}[\text{sech}(k x)];\ uB=\sqrt{\gamma +\mu } \text{TrigToExp}[\tanh (k x)]\ vB=\sqrt{\mu -3 \gamma } \text{TrigToExp}[\text{sech}(k x)]
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