(For other notation see Notation for the Special Functions.)
integers. |
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real or complex variables. |
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codimension. |
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, where are real parameters; also , , when . |
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, |
Airy functions (§9.2). |
The main functions covered in this chapter are cuspoid catastrophes ; umbilic catastrophes with codimension three , ; canonical integrals , , ; diffraction catastrophes , , generated by the catastrophes. (There is no standard nomenclature for these functions.)