Namnlös graf | Desmos

Uttryck 5: "f" left parenthesis, "x" , right parenthesis equals StartFraction, "a" Subscript, 0 , Baseline Over 2 , EndFraction plus total left parenthesis, "a" Subscript, "k" , Baseline cos left parenthesis, "k" Subscript, "k" , Baseline "x" , right parenthesis plus "b" Subscript, "k" , Baseline sin left parenthesis, "k" Subscript, "k" , Baseline "x" , right parenthesis , right parenthesis left brace, negative StartFraction, pi Over 4 , EndFraction less than "x" less than 9 quarters pi , right brace

Uttryck 6: "k" Subscript, "k" , Baseline equals left bracket, 1...5 , right bracket

"x" Subscript, 1 , Baseline	"y" Subscript, 1 , Baseline
0.1 5 7 1	negative 0.5 3 6
0.4 7 1 2	negative 0.2 9 6
0.7 8 5 4	0.2 4 8
1.0 9 9 6	0.5 0 4
1.4 1 3 7	0.2 6 4
1.7 2 7 9	0.2 6 4
2.0 4 2 0	0.7 6
2.3 5 6 2	0.9 2
2.6 7 0 4	0.2
2.9 8 4 5	negative 0.8 0 8
3.2 9 8 7	negative 1.2 2 4
3.6 1 2 8	negative 1.1 9 2
3.9 2 7 0	negative 1.1 9 2
4.2 4 1 2	negative 1.2 4
4.5 5 5 3	negative 1.1 7 6
4.8 6 9 5	negative 1.2 2 4
5.1 8 3 6	negative 1.4 1 6
5.4 9 7 8	negative 1.3 3 6
5.8 1 1 9	negative 0.9 2
6.1 2 6 1	negative 0.6

Beispiel für die Berechnung eines Koeffizienten. Die bk werden mit sin(kx) berechnet.

Uttryck 9: "a" Subscript, 3 , Baseline equals total left parenthesis, StartFraction, 2 "y" Subscript, 1 , Baseline cos left parenthesis, 3 "x" Subscript, 1 , Baseline , right parenthesis Over 20 , EndFraction , right parenthesis

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