shawG: Shaw Model of Slit Diffraction

Description Usage Arguments Details Value Author(s) References Examples

View source: R/shawG.R

Description

Creates the design matrix for the Shaw inverse problem of diffraction through a narrow slot.

Usage

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shawG(m, n)

Arguments

m

integer, number of rows

n

integern number of columns

Details

See Aster's book for a details explaination.

Value

Matrix used for creating data and inversion.

Author(s)

Jonathan M. Lees<[email protected]>

References

C. B. Shaw, Jr., "Improvements of the resolution of an instrument by numerical solution of an integral equation", J. Math. Anal. Appl. 37: 83-112, 1972.

Examples

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n = 20
G = shawG(n,n)

spike = rep(0,n)
spike[10] = 1

dspiken = G %*%  spike

plot(dspiken)

PEIP documentation built on Jan. 20, 2018, 9:03 a.m.