Figure 36.3.21 (See in context.)

See accompanying text See accompanying text
(a) Contour plot. (b) Density plot.
Figure 36.3.21: Phase of hyperbolic umbilic canonical integral \mathop{\mathrm{ph}\/}\nolimits\mathop{\Psi^{{(\mathrm{H})}}\/}\nolimits\!\left(x,y,3\right).