listati per MathCad

esci listamathcad.htm

.MCD 25000 0
.CMD SURFACEFORMAT rot=10 tilt=35 vScale=20 size=15,30
.CMD SKETCHFORMAT mag=1.000000,1.000000 center=0.500000,0.500000 size=15,30 box=y
.CMD PLOTFORMAT logs=0,0 subdivs=1,1 size=5,15 type=l
.CMD FORMAT rd=d ct=10 im=i et=5 zt=15 pr=7 mass length time charge
.CMD SET ORIGIN 0
.CMD SET TOL 0.001000000000000
.CMD MARGIN 0
.CMD LINELENGTH 78
.CMD SET PRNCOLWIDTH 8
.CMD SET PRNPRECISION 4
.TXT 0 0 1 68
a1,67,78,66
Approssimazione di funzioni mediante somme di funzioni periodiche
.TXT 2 0 1 10
a1,9,78,8
Dominio
.EQN 0 11 1 20
x:0,0.01;6.29
.TXT 2 -11 1 11
a1,10,78,9
Funzione
.EQN 0 11 2 16
f(x):e^x-1
.TXT 4 -11 1 10
a1,9,78,8
Grafico
.EQN 0 11 11 39
&&0,f(x){1,1,10,30,l}@&&x
.TXT 13 -11 1 60
a1,59,78,58
Caratteriche funzioni periodiche: A=ampiezza, ß=frequenza
.TXT 3 0 1 28
a1,27,78,26
Funzione g(x)=A*sin(ß*x)
.EQN 3 0 1 8
A:2
.EQN 0 8 1 8
ß:5
.EQN 0 9 1 20
g(x):A*sin(ß*x)
.EQN 0 20 11 39
5&-5&0,g(x){1,1,10,30,l}@&&x
.EQN 13 -37 1 8
A:4
.EQN 0 8 1 8
ß:5
.EQN 0 8 1 20
g(x):A*sin(ß*x)
.EQN 0 21 11 39
5&-5&0,g(x){1,1,10,30,l}@&&x
.EQN 13 -37 1 8
A:3
.EQN 0 8 1 8
ß:2
.EQN 0 8 1 20
g(x):A*sin(ß*x)
.EQN 0 21 11 39
5&-5&0,g(x){1,1,10,30,l}@&&x
.EQN 13 -37 1 8
A:3
.EQN 0 8 1 8
ß:4
.EQN 0 8 1 20
g(x):A*sin(ß*x)
.EQN 0 21 11 39
5&-5&0,g(x){1,1,10,30,l}@&&x
.TXT 14 -37 1 63
a1,62,78,61
Esempio di somma di funzioni sinusoidali di diversa ampiezza
.EQN 3 0 1 21
g1(x):3*sin(4*x)
.EQN 0 22 11 40
5&-5&0,g1(x){1,1,10,30,l}@&&x
.EQN 13 -22 1 21
g2(x):2*sin(2*x)
.EQN 0 22 11 40
5&-5&0,g2(x){1,1,10,30,l}@&&x
.EQN 13 -22 1 23
g(x):g1(x)+g2(x)
.EQN 0 23 11 39
5&-5&0,g(x){1,1,10,30,l}@&&x
.TXT 13 -23 1 26
a1,25,78,24
Approssimazione di f(x)
.EQN 2 0 1 14
k:1,2;3
.EQN 3 0 5 41
A[k:2/6.29*(0&6.29`f(x)*sin(ã*k*x/6.29)&x)
.EQN 1 46 3 14
ß[k:ã*k/6.29
.EQN 6 -46 4 27
m(x):k$A[k*sin(ß[k*x)
.EQN 6 0 11 59
&&0,f(x),m(x){1,1,10,45,l}@&&x