Pearcey integral

In mathematics, the Pearcey integral is defined as[1]

\operatorname{Pe}(x,y)=\int_{-\infty}^\infty \exp(i(t^4+xt^2+yt)) \, dt.

The Percey integral is a class of canonical diffraction integrals, often used in wave propagation and optical diffraction problems[2]

References

  1. Frank J. Oliver, Daniel W. Lozier, NIST Handbook of Mathematical Functions, p. 777, Cambridge, 2010
  2. R.B.Paris, Hadamard Expansions and Hyperasymptotic Evaluation, p. 207, Encyclopedia of Mathematics and its Applications, 141, Cambridge, 2011


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