Annotations:

Symbols:

${\mathrm{\Psi }}^{(\mathrm{H})}\left(𝐱\right)$: hyperbolic umbilic canonical integral function, $\mathrm{ph}$: phase, $y$: real parameter and $x$: real parameter

Keywords:

hyperbolic umbilic canonical integral, pictures of phase

Permalink:

http://dlmf.nist.gov/36.3.F21.mag

Encodings:

Magnified png, Magnified png, pdf, pdf

Errata (effective with 1.0.14):

Scales were corrected. The interval $-8.4\le \frac{x-y}{\sqrt{2}}\le 8.4$ was replaced by $-12.0\le \frac{x-y}{\sqrt{2}}\le 12.0$ and $-12.7\le \frac{x+y}{\sqrt{2}}\le 4.2$ replaced by $-18.0\le \frac{x+y}{\sqrt{2}}\le 6.0.$

See also:

Annotations for §36.3 and Ch.36