output_andersson.tex

用于实现非均匀采样FFT（NDFT）

n=128, delta=5.520e+02+i4.000e+02
$64$     & $5.9e-04$     & $3.0e-05$     & $1.9e-03$     & $1.2e-04$     & $1.4e-15$     \\ 
$128$    & $2.4e-03$     & $1.3e-04$     & $3.8e-03$     & $2.3e-04$     & $1.7e-15$     \\ 
$256$    & $9.5e-03$     & $1.3e-03$     & $7.6e-03$     & $4.4e-04$     & $8.9e-16$     \\ 
$512$    & $3.8e-02$     & $5.1e-03$     & $1.5e-02$     & $8.5e-04$     & $5.8e-16$     \\ 
$1024$   & $1.6e-01$     & $2.0e-02$     & $3.1e-02$     & $1.7e-03$     & $6.0e-16$     \\ 
$2048$   & $6.1e-01$     & $8.1e-02$     & $6.1e-02$     & $3.5e-03$     & $2.3e-16$     \\ 
$4096$   & $2.5e+00$     & $3.5e-01$     & $1.2e-01$     & $7.0e-03$     & $2.4e-16$     \\ 
$8192$   & $1.0e+01$     & $1.5e+00$     & $2.5e-01$     & $1.4e-02$     & $1.4e-16$     \\ 
$16384$  & $4.0e+01$     &      *        & $4.9e-01$     & $2.7e-02$     & $1.1e-16$     \\ 
$32768$  & $1.6e+02$     &      *        & $9.8e-01$     & $5.5e-02$     & $1.1e-16$     \\ 
$65536$  & $6.5e+02$     &      *        & $2.0e+00$     & $1.1e-01$     & $8.7e-17$     \\ 
$131072$         & $2.6e+03$     &      *        & $3.9e+00$     & $2.1e-01$     & $7.9e-17$     \\ 
$262144$         & $1.0e+04$     &      *        & $7.8e+00$     & $4.3e-01$     & $6.2e-17$     \\ 
$524288$         &      *        &      *        & $1.6e+01$     & $8.8e-01$     &         *     \\ 
$1048576$        &      *        &      *        & $3.1e+01$     & $1.7e+00$     &         *     \\ 
$2097152$        &      *        &      *        & $6.5e+01$     & $3.6e+00$     &         *     \\