Generate a matrix of covariates for use in resmoothing, in which the d'th column of X is translated successively by the Kronecker product of bw and MC_variates.
new_X(X, d, MC_variates, bw)
matrix with ncol(X) columns and (nrow(X)length(MC_variates) length(bw)) rows.
matrix of covariates.
integer index of covariate to be smoothed along.
vector of standard Gaussian rvs.
vector of bandwidths for the Gaussian kernel.