shawG | R Documentation |
Creates the design matrix for the Shaw inverse problem of diffraction through a narrow slot.
shawG(m, n)
m |
integer, number of rows |
n |
integern number of columns |
See Aster's book for a details explaination.
Matrix used for creating data and inversion.
Jonathan M. Lees<jonathan.lees@unc.edu>
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.
n = 20
G = shawG(n,n)
spike = rep(0,n)
spike[10] = 1
dspiken = G %*% spike
plot(dspiken)
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