R/freqdom.eigen.helpers.R

In freqdom: Frequency Domain Based Analysis: Dynamic PCA

# freqdom.inflambdas = function(E){
#   apply(E$values,2,min)
# }
# freqdom.infalphas = function(E){
#   D = dim(E$values)
#   
#   R = abs(E$values[,1:(D[2]-1)] - E$values[,1 + 1:(D[2]-1)])
#   
#   A = R[,1:(D[2]-2)]
#   B = R[,1 + 1:(D[2]-2)]
#   R = array(0,c(dim(A),2))
#   R[,,1] = A
#   R[,,2] = B
#   
#   R = apply(R,1:2,min)
#   R = cbind(A[,1],R,B[,D[2]-2])
#   
#   apply(R,2,min)
# }
# freqdom.invlamintegral = function(E){
#   V = 1/E$values
#   1/apply(V,2,mean)
# }