makeQuad.m

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makeQuad.m#

This routine pieces together all the quadrature ingredients describing the sequence of SD and straight line contours, and allocates quadrature points along them.

[z, w, logOut] = makeQuad(quadIngredients, freq, numPts, phaseFunction, params)

Inputs#

  • quadIngredients : An array of structs, each containing information about a component of the steepest descent deformation.

  • freq : The frequency parameter \(\omega\)

  • numPts : The number of

  • phaseFunction : The the phase function \(g\)

  • params : A struct of appoximation parameters, many of which are determined in optionalExtras.

Outputs#

  • z : The quadrature nodes.

  • w : The quadrature weights.

  • logOut : Logged information about the number of Newton iterations required for each quadrature point. This is not recorded by default - see Advanced Usage for more information.

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