Nothing
Multiquad <- function(nnodes, dims) {
Q = Hermquad(nnodes)
I = patterns_eq(nnodes, dims)
n = dim(I)[1]
X2 = matrix(0, n, dims)
A2 = matrix(1, n, 1)
for (i in 1:n) for (j in 1:dims) {
X2[i, j] = Q$X[I[i, j]]
A2[i, 1] = A2[i, 1] * Q$W[I[i, j]]
}
Max = Q$W[1] * Q$W[round((nnodes + 1)/2)]/15
keep = (A2 > Max)
n2 = sum(keep)
X = matrix(0, n2, dims)
A = matrix(1, n2, 1)
k = 0
for (i in 1:n) if (keep[i]) {
k = k + 1
X[k, ] = X2[i, ]
A[k, ] = A2[i, ]
}
QUAD = list()
QUAD$X = X
QUAD$A = A
class(QUAD) <- "MultiGaussQuadrature"
return(QUAD)
}
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