DLMF:

Digital Library of Mathematical Functions

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5 Gamma Function Properties 5.3 Graphics 5.3 Graphics 5.4 Special Values and Extrema

Figure 5.3.3 (See in context.)

See accompanying text

Figure 5.3.3: $\mathop{\psi\/}\nolimits\!\left(x\right)$ .

Annotations:

Symbols:: $\mathop{\psi\/}\nolimits\!\left(z\right)$ : psi (or digamma) function and : real variable
Permalink:: http://dlmf.nist.gov/5.3.F3.mag
Encodings:: Magnified png, pdf

© 2010–2013 NIST / Privacy Policy / Disclaimer / Feedback; Version 1.0.6; Release date 2013-05-06 Math-Image version (See MathML) . A Printed Companionis available. 5.3 Graphics 5.4 Special Values and Extrema