| Line 50... |
Line 50... |
| 50 |
9 0.333+0.000i 1+0i 3.000+0.000i 9+0i 27.000+0.000i 81+0i
|
50 |
9 0.333+0.000i 1+0i 3.000+0.000i 9+0i 27.000+0.000i 81+0i
|
| 51 |
10 0.316+0.000i 1+0i 3.162+0.000i 10+0i 31.623+0.000i 100+0i
|
51 |
10 0.316+0.000i 1+0i 3.162+0.000i 10+0i 31.623+0.000i 100+0i
|
| 52 |
11 0.302+0.000i 1+0i 3.317+0.000i 11+0i 36.483+0.000i 121+0i
|
52 |
11 0.302+0.000i 1+0i 3.317+0.000i 11+0i 36.483+0.000i 121+0i
|
| 53 |
12 0.289+0.000i 1+0i 3.464+0.000i 12+0i 41.569+0.000i 144+0i
|
53 |
12 0.289+0.000i 1+0i 3.464+0.000i 12+0i 41.569+0.000i 144+0i
|
| 54 |
>
|
54 |
>
|
| - |
|
55 |
> ## fft():
|
| - |
|
56 |
> for(n in 1:30) cat("\nn=",n,":", round(fft(1:n), 8),"\n")
|
| - |
|
57 |
|
| - |
|
58 |
n= 1 : 1+0i
|
| - |
|
59 |
|
| - |
|
60 |
n= 2 : 3+0i -1+0i
|
| - |
|
61 |
|
| - |
|
62 |
n= 3 : 6+0i -1.5+0.866025i -1.5-0.866025i
|
| - |
|
63 |
|
| - |
|
64 |
n= 4 : 10+0i -2+2i -2+0i -2-2i
|
| - |
|
65 |
|
| - |
|
66 |
n= 5 : 15+0i -2.5+3.440955i -2.5+0.812299i -2.5-0.812299i -2.5-3.440955i
|
| - |
|
67 |
|
| - |
|
68 |
n= 6 : 21+0i -3+5.196152i -3+1.732051i -3+0i -3-1.732051i -3-5.196152i
|
| - |
|
69 |
|
| - |
|
70 |
n= 7 : 28+0i -3.5+7.267825i -3.5+2.791157i -3.5+0.798852i -3.5-0.798852i -3.5-2.791157i -3.5-7.267825i
|
| - |
|
71 |
|
| - |
|
72 |
n= 8 : 36+0i -4+9.656854i -4+4i -4+1.656854i -4+0i -4-1.656854i -4-4i -4-9.656854i
|
| - |
|
73 |
|
| - |
|
74 |
n= 9 : 45+0i -4.5+12.36365i -4.5+5.362891i -4.5+2.598076i -4.5+0.793471i -4.5-0.793471i -4.5-2.598076i -4.5-5.362891i -4.5-12.36365i
|
| - |
|
75 |
|
| - |
|
76 |
n= 10 : 55+0i -5+15.38842i -5+6.88191i -5+3.632713i -5+1.624598i -5+0i -5-1.624598i -5-3.632713i -5-6.88191i -5-15.38842i
|
| - |
|
77 |
|
| - |
|
78 |
n= 11 : 66+0i -5.5+18.73128i -5.5+8.558167i -5.5+4.765777i -5.5+2.511766i -5.5+0.790781i -5.5-0.790781i -5.5-2.511766i -5.5-4.765777i -5.5-8.558167i -5.5-18.73128i
|
| - |
|
79 |
|
| - |
|
80 |
n= 12 : 78+0i -6+22.3923i -6+10.3923i -6+6i -6+3.464102i -6+1.607695i -6+0i -6-1.607695i -6-3.464102i -6-6i -6-10.3923i -6-22.3923i
|
| - |
|
81 |
|
| - |
|
82 |
n= 13 : 91+0i -6.5+26.37154i -6.5+12.38472i -6.5+7.336983i -6.5+4.486626i -6.5+2.465125i -6.5+0.789243i -6.5-0.789243i -6.5-2.465125i -6.5-4.486626i -6.5-7.336983i -6.5-12.38472i -6.5-26.37154i
|
| - |
|
83 |
|
| - |
|
84 |
n= 14 : 105+0i -7+30.669i -7+14.53565i -7+8.777722i -7+5.582314i -7+3.371022i -7+1.597704i -7+0i -7-1.597704i -7-3.371022i -7-5.582314i -7-8.777722i -7-14.53565i -7-30.669i
|
| - |
|
85 |
|
| - |
|
86 |
n= 15 : 120+0i -7.5+35.28473i -7.5+16.84528i -7.5+10.32286i -7.5+6.75303i -7.5+4.330127i -7.5+2.436898i -7.5+0.788282i -7.5-0.788282i -7.5-2.436898i -7.5-4.330127i -7.5-6.75303i -7.5-10.32286i -7.5-16.84528i -7.5-35.28473i
|
| - |
|
87 |
|
| - |
|
88 |
n= 16 : 136+0i -8+40.21872i -8+19.31371i -8+11.97285i -8+8i -8+5.345429i -8+3.313709i -8+1.591299i -8+0i -8-1.591299i -8-3.313709i -8-5.345429i -8-8i -8-11.97285i -8-19.31371i -8-40.21872i
|
| - |
|
89 |
|
| - |
|
90 |
n= 17 : 153+0i -8.5+45.47098i -8.5+21.94103i -8.5+13.72797i -8.5+9.324056i -8.5+6.418902i -8.5+4.232497i -8.5+2.418459i -8.5+0.787641i -8.5-0.787641i -8.5-2.418459i -8.5-4.232497i -8.5-6.418902i -8.5-9.324056i -8.5-13.72797i -8.5-21.94103i -8.5-45.47098i
|
| - |
|
91 |
|
| - |
|
92 |
n= 18 : 171+0i -9+51.04154i -9+24.7273i -9+15.58846i -9+10.72578i -9+7.551897i -9+5.196152i -9+3.275732i -9+1.586943i -9+0i -9-1.586943i -9-3.275732i -9-5.196152i -9-7.551897i -9-10.72578i -9-15.58846i -9-24.7273i -9-51.04154i
|
| - |
|
93 |
|
| - |
|
94 |
n= 19 : 190+0i -9.5+56.93038i -9.5+27.67255i -9.5+17.55446i -9.5+12.2056i -9.5+8.745366i -9.5+6.20666i -9.5+4.167086i -9.5+2.405727i -9.5+0.787192i -9.5-0.787192i -9.5-2.405727i -9.5-4.167086i -9.5-6.20666i -9.5-8.745366i -9.5-12.2056i -9.5-17.55446i -9.5-27.67255i -9.5-56.93038i
|
| - |
|
95 |
|
| - |
|
96 |
n= 20 : 210+0i -10+63.13752i -10+30.77684i -10+19.62611i -10+13.76382i -10+10i -10+7.26543i -10+5.09525i -10+3.2492i -10+1.58384i -10+0i -10-1.58384i -10-3.2492i -10-5.09525i -10-7.26543i -10-10i -10-13.76382i -10-19.62611i -10-30.77684i -10-63.13752i
|
| - |
|
97 |
|
| - |
|
98 |
n= 21 : 231+0i -10.5+69.66295i -10.5+34.04016i -10.5+21.80347i -10.5+15.40067i -10.5+11.31631i -10.5+8.37347i -10.5+6.06218i -10.5+4.12095i -10.5+2.39656i -10.5+0.78687i -10.5-0.78687i -10.5-2.39656i -10.5-4.12095i -10.5-6.06218i -10.5-8.37347i -10.5-11.31631i -10.5-15.40067i -10.5-21.80347i -10.5-34.04016i -10.5-69.66295i
|
| - |
|
99 |
|
| - |
|
100 |
n= 22 : 253+0i -11+76.50668i -11+37.46256i -11+24.08664i -11+17.11633i -11+12.69468i -11+9.53155i -11+7.06927i -11+5.02353i -11+3.22989i -11+1.58156i -11+0i -11-1.58156i -11-3.22989i -11-5.02353i -11-7.06927i -11-9.53155i -11-12.69468i -11-17.11633i -11-24.08664i -11-37.46256i -11-76.50668i
|
| - |
|
101 |
|
| - |
|
102 |
n= 23 : 276+0i -11.5+83.66871i -11.5+41.04404i -11.5+26.47566i -11.5+18.91094i -11.5+14.1354i -11.5+10.74025i -11.5+8.11759i -11.5+5.95882i -11.5+4.0871i -11.5+2.38973i -11.5+0.78662i -11.5-0.78662i -11.5-2.38973i -11.5-4.0871i -11.5-5.95882i -11.5-8.11759i -11.5-10.74025i -11.5-14.1354i -11.5-18.91094i -11.5-26.47566i -11.5-41.04404i -11.5-83.66871i
|
| - |
|
103 |
|
| - |
|
104 |
n= 24 : 300+0i -12+91.14905i -12+44.78461i -12+28.97056i -12+20.78461i -12+15.6387i -12+12i -12+9.20792i -12+6.9282i -12+4.97056i -12+3.21539i -12+1.57983i -12+0i -12-1.57983i -12-3.21539i -12-4.97056i -12-6.9282i -12-9.20792i -12-12i -12-15.6387i -12-20.78461i -12-28.97056i -12-44.78461i -12-91.14905i
|
| - |
|
105 |
|
| - |
|
106 |
n= 25 : 325+0i -12.5+98.94769i -12.5+48.68429i -12.5+31.5714i -12.5+22.73742i -12.5+17.20477i -12.5+13.31115i -12.5+10.3409i -12.5+7.93274i -12.5+5.88205i -12.5+4.0615i -12.5+2.3845i -12.5+0.78643i -12.5-0.78643i -12.5-2.3845i -12.5-4.0615i -12.5-5.88205i -12.5-7.93274i -12.5-10.3409i -12.5-13.31115i -12.5-17.20477i -12.5-22.73742i -12.5-31.5714i -12.5-48.68429i -12.5-98.94769i
|
| - |
|
107 |
|
| - |
|
108 |
n= 26 : 351+0i -13+107.0646i -13+52.74307i -13+34.27818i -13+24.76943i -13+18.83375i -13+14.67397i -13+11.517i -13+8.97325i -13+6.82293i -13+4.93025i -13+3.20421i -13+1.57849i -13+0i -13-1.57849i -13-3.20421i -13-4.93025i -13-6.82293i -13-8.97325i -13-11.517i -13-14.67397i -13-18.83375i -13-24.76943i -13-34.27818i -13-52.74307i -13-107.0646i
|
| - |
|
109 |
|
| - |
|
110 |
n= 27 : 378+0i -13.5+115.4999i -13.5+56.96098i -13.5+37.09095i -13.5+26.88071i -13.5+20.52575i -13.5+16.08867i -13.5+12.73659i -13.5+10.05038i -13.5+7.79423i -13.5+5.82333i -13.5+4.04163i -13.5+2.38041i -13.5+0.78629i -13.5-0.78629i -13.5-2.38041i -13.5-4.04163i -13.5-5.82333i -13.5-7.79423i -13.5-10.05038i -13.5-12.73659i -13.5-16.08867i -13.5-20.52575i -13.5-26.88071i -13.5-37.09095i -13.5-56.96098i -13.5-115.4999i
|
| - |
|
111 |
|
| - |
|
112 |
n= 28 : 406+0i -14+124.2534i -14+61.33801i -14+40.0097i -14+29.0713i -14+22.28087i -14+17.55544i -14+14i -14+11.16463i -14+8.79678i -14+6.74204i -14+4.89881i -14+3.19541i -14+1.57742i -14+0i -14-1.57742i -14-3.19541i -14-4.89881i -14-6.74204i -14-8.79678i -14-11.16463i -14-14i -14-17.55544i -14-22.28087i -14-29.0713i -14-40.0097i -14-61.33801i -14-124.2534i
|
| - |
|
113 |
|
| - |
|
114 |
n= 29 : 435+0i -14.5+133.3253i -14.5+65.87416i -14.5+43.03447i -14.5+31.34124i -14.5+24.09919i -14.5+19.07442i -14.5+15.30746i -14.5+12.31641i -14.5+9.83124i -14.5+7.68741i -14.5+5.77733i -14.5+4.02591i -14.5+2.37715i -14.5+0.78617i -14.5-0.78617i -14.5-2.37715i -14.5-4.02591i -14.5-5.77733i -14.5-7.68741i -14.5-9.83124i -14.5-12.31641i -14.5-15.30746i -14.5-19.07442i -14.5-24.09919i -14.5-31.34124i -14.5-43.03447i -14.5-65.87416i -14.5-133.3253i
|
| - |
|
115 |
|
| - |
|
116 |
n= 30 : 465+0i -15+142.7155i -15+70.56945i -15+46.16525i -15+33.69055i -15+25.98076i -15+20.64573i -15+16.65919i -15+13.50606i -15+10.89814i -15+8.66025i -15+6.67843i -15+4.8738i -15+3.18835i -15+1.57656i -15+0i -15-1.57656i -15-3.18835i -15-4.8738i -15-6.67843i -15-8.66025i -15-10.89814i -15-13.50606i -15-16.65919i -15-20.64573i -15-25.98076i -15-33.69055i -15-46.16525i -15-70.56945i -15-142.7155i
|
| - |
|
117 |
>
|
| 55 |
>
|
118 |
>
|
| 56 |
> ## Complex Trig.:
|
119 |
> ## Complex Trig.:
|
| 57 |
> Meps <- .Machine$double.eps
|
120 |
> Meps <- .Machine$double.eps
|
| 58 |
> abs(Im(cos(acos(1i))) - 1) < 2*Meps
|
121 |
> abs(Im(cos(acos(1i))) - 1) < 2*Meps
|
| 59 |
[1] TRUE
|
122 |
[1] TRUE
|
| Line 145... |
Line 208... |
| 145 |
> signif(1.678932-1.238276e-2i, 5)
|
208 |
> signif(1.678932-1.238276e-2i, 5)
|
| 146 |
[1] 1.6789-0.0124i
|
209 |
[1] 1.6789-0.0124i
|
| 147 |
> signif(1.678932-1.238276e-3i, 5)
|
210 |
> signif(1.678932-1.238276e-3i, 5)
|
| 148 |
[1] 1.6789-0.0012i
|
211 |
[1] 1.6789-0.0012i
|
| 149 |
> signif(1.678932-1.238276e-4i, 5)
|
212 |
> signif(1.678932-1.238276e-4i, 5)
|
| 150 |
[1] 1.6789-1e-04i
|
213 |
[1] 1.6789-0.0001i
|
| 151 |
> signif(1.678932-1.238276e-5i, 5)
|
214 |
> signif(1.678932-1.238276e-5i, 5)
|
| 152 |
[1] 1.6789+0i
|
215 |
[1] 1.6789+0i
|
| 153 |
> signif(8.678932-9.238276i, 5)
|
216 |
> signif(8.678932-9.238276i, 5)
|
| 154 |
[1] 8.6789-9.2383i
|
217 |
[1] 8.6789-9.2383i
|
| 155 |
> ## prior to 2.2.0 rounded real and imaginary parts separately.
|
218 |
> ## prior to 2.2.0 rounded real and imaginary parts separately.
|