Ajuda del LibreOffice 24.2
Interval d'entrada: la referència de l'interval de les dades a analitzar.
Results to: The reference of the top left cell of the range where the results will be displayed.
Select whether the input data has columns or rows layout.
Les dades següents s'usen com a exemple
|
A |
B |
C |
|
|---|---|---|---|
|
1 |
Matemàtiques |
Física |
Biologia |
|
2 |
47 |
67 |
33 |
|
3 |
36 |
68 |
42 |
|
4 |
40 |
65 |
44 |
|
5 |
39 |
64 |
60 |
|
6 |
38 |
43 |
|
|
7 |
47 |
84 |
62 |
|
8 |
29 |
80 |
51 |
|
9 |
27 |
49 |
40 |
|
10 |
57 |
49 |
12 |
|
11 |
56 |
33 |
60 |
|
12 |
57 |
||
|
13 |
26 |
The following table has two time series, one representing an impulse function at time t=0 and the other an impulse function at time t=2.
|
A |
B |
|
|---|---|---|
|
1 |
1 |
0 |
|
2 |
0 |
0 |
|
3 |
0 |
1 |
|
4 |
0 |
0 |
|
5 |
0 |
0 |
|
6 |
0 |
0 |
|
7 |
0 |
0 |
|
8 |
0 |
0 |
|
9 |
0 |
0 |
|
10 |
0 |
0 |
|
11 |
0 |
0 |
|
12 |
0 |
0 |
|
13 |
0 |
0 |
La taula següent conté dos conjunts de dades.
|
A |
B |
|
|---|---|---|
|
1 |
28 |
19 |
|
2 |
26 |
13 |
|
3 |
31 |
12 |
|
4 |
23 |
5 |
|
5 |
20 |
34 |
|
6 |
27 |
31 |
|
7 |
28 |
31 |
|
8 |
14 |
12 |
|
9 |
4 |
24 |
|
10 |
0 |
23 |
|
11 |
2 |
19 |
|
12 |
8 |
10 |
|
13 |
9 |
33 |
The following table has samples of a physical phenomenon taken in 1 second interval.
|
A |
B |
|
|---|---|---|
|
1 |
Time |
Measurement |
|
2 |
1 |
2.7 |
|
3 |
2 |
4.0 |
|
4 |
3 |
4.4 |
|
5 |
4 |
7.1 |
|
6 |
5 |
4.9 |
|
7 |
6 |
3.6 |
|
8 |
7 |
4.0 |
|
9 |
8 |
0.6 |
|
10 |
9 |
1.0 |
|
11 |
10 |
4.3 |
|
Group By Columns |
CERT |
|||
|
Polar |
FALS |
|||
|
Inverse |
FALS |
|||
|
Fórmula |
{=FOURIER(B6:C40,B1,B2,B3,0)} |
|||
|
Source Array |
Transformed Array |
|||
|---|---|---|---|---|
|
Real |
Imaginary |
Real |
Imaginary |
|
|
0.392555411592569 |
0 |
17.1775578743134 |
3.88635177703826E-015 |
|
|
1.20843701681219 |
0 |
3.428868795359 |
2.37164790000189 |
|
|
0.851477676762644 |
0 |
-6.80271615433369 |
-15.1345439297576 |
|
|
1.78534651907738 |
0 |
-1.605447356601 |
-5.08653060378972 |
|
|
1.77946506138316 |
0 |
0.395847917447356 |
-2.41926785527625 |
|
|
1.51890060220168 |
0 |
-1.49410383304833 |
-2.39148041275 |
|
|
1.04694666137238 |
0 |
0.87223579298981 |
-1.14394086206797 |
|
|
0.83110083951399 |
0 |
1.5332458505929 |
0.678159168870983 |
|
|
1.23006228455127 |
0 |
0.450563708411459 |
0.22911248792634 |
|
|
0.133409796396031 |
0 |
0.545106616940358 |
0.411028927740438 |
|
|
0.130471655802496 |
0 |
2.22685996425193 |
-2.43092236748302 |
|
|
0.386478761838145 |
0 |
-1.61522859107175 |
-2.41682657284899 |
|
|
-0.703398287742919 |
0 |
1.30245078290168 |
1.45443785733126 |
|
|
-0.899115309693977 |
0 |
1.57930628561185 |
-1.33862736591677 |
|
|
-0.124045510064504 |
0 |
-1.07572227365276 |
-0.921557968003809 |
|
|
-0.513553513012611 |
0 |
-0.0557824179238028 |
-1.81336029451831 |
|
|
-0.613559196487517 |
0 |
-0.577666040004067 |
1.38887243891951 |
|
|
0.32607259491689 |
0 |
-0.826878282157686 |
-0.186591000796403 |
|
|
0.0316297814625926 |
0 |
-0.826878282157715 |
0.186591000796416 |
|
|
0.52298725899815 |
0 |
-0.577666040004051 |
-1.38887243891954 |
|
|
0.436798031445888 |
0 |
-0.0557824179237846 |
1.81336029451832 |
|
|
0.846212627320418 |
0 |
-1.07572227365276 |
0.921557968003802 |
|
|
0.913061096906024 |
0 |
1.57930628561187 |
1.33862736591678 |
|
|
1.2666287534781 |
0 |
1.3024507829017 |
-1.45443785733125 |
|
|
1.6653650481107 |
0 |
-1.61522859107176 |
2.416826572849 |
|
|
1.36582636202864 |
0 |
2.22685996425191 |
2.43092236748304 |
|
|
1.46722190894756 |
0 |
0.545106616940365 |
-0.411028927740441 |
|
|
0.66120489728397 |
0 |
0.450563708411458 |
-0.229112487926344 |
|
|
0.701534531762234 |
0 |
1.53324585059292 |
-0.678159168870965 |
|
|
0.65869368245062 |
0 |
0.872235792989797 |
1.14394086206799 |
|
|
0.287522455580069 |
0 |
-1.49410383304834 |
2.39148041275001 |
|
|
-0.409911360506096 |
0 |
0.395847917447327 |
2.41926785527626 |
|
|
-0.583168875679498 |
0 |
-1.60544735660102 |
5.08653060378972 |
|
|
-0.799684083650078 |
0 |
-6.80271615433379 |
15.1345439297575 |
|
|
-0.621417306845244 |
0 |
3.42886879535907 |
-2.37164790000194 |
|