DLMF:

Figure 10.3.4 (See in context.)

Figure 10.3.4: $\mathop{\theta_{{5}}\/}\nolimits\!\left(x\right),\mathop{\phi_{{5}}\/}% \nolimits\!\left(x\right),0\leq x\leq 15$ .

Symbols:: $\mathop{\phi_{{\nu}}\/}\nolimits\!\left(x\right)$ : phase of derivatives of Bessel functions, $\mathop{\theta_{{\nu}}\/}\nolimits\!\left(x\right)$ : phase of Bessel functions and : real variable
Permalink:: http://dlmf.nist.gov/10.3.F4.mag
Encodings:: Magnified png, pdf