The meromorphic solution w, with initial value 1, of the equation zww" + ww' − zw'2 = a − bw4 is on the top,
its numerator is on the lower left, and its denominatorator q is on the lower right. The corners of the square are at ±10 ± 10i.
Multiplying the parameters by a factor essentially multiplies the scale. Hit refresh to enter new parameters or if an error occurs.