These two variables help draw the arrow-heads. Can you tell what they do?
17
Uitdrukking 18: "l" equals 0.9 1l=0.91
negative 10−10
1010
18
Uitdrukking 19: "a" Subscript, "l" , Baseline equals 5al=5
negative 10−10
2020
19
Now we draw the axes. x_arr and y_arr are helper functions that'll we'll use in equations 23, 24, and 25
20
Uitdrukking 21: "x" Subscript, "a" "r" "r" , Baseline left parenthesis, "t" , "x" Subscript, "s" , Baseline , "y" Subscript, "s" , Baseline , right parenthesis equals left brace, 0 less than "t" less than "l" : "x" Subscript, "s" , Baseline "t" , "l" less than "t" less than StartFraction, "l" plus 1 Over 2 , EndFraction : "l" "x" Subscript, "s" , Baseline plus cos left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis "x" Subscript, "s" , Baseline left parenthesis, "t" minus "l" , right parenthesis minus sin left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis "y" Subscript, "s" , Baseline left parenthesis, "t" minus "l" , right parenthesis , StartFraction, "l" plus 1 Over 2 , EndFraction less than "t" less than 1 : "l" "x" Subscript, "s" , Baseline plus sin left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis "y" Subscript, "s" , Baseline left parenthesis, "t" minus StartFraction, "l" plus 1 Over 2 , EndFraction , right parenthesis plus cos left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis "x" Subscript, "s" , Baseline left parenthesis, "t" minus StartFraction, "l" plus 1 Over 2 , EndFraction , right parenthesis , right bracexarrt,xs,ys=0<t<l:xst,l<t<l+12:lxs+cos5π6xst−l−sin5π6yst−l,l+12<t<1:lxs+sin5π6yst−l+12+cos5π6xst−l+12
21
Uitdrukking 22: "y" Subscript, "a" "r" "r" , Baseline left parenthesis, "t" , "x" Subscript, "s" , Baseline , "y" Subscript, "s" , Baseline , right parenthesis equals left brace, 0 less than "t" less than "l" : "y" Subscript, "s" , Baseline "t" , "l" less than "t" less than StartFraction, "l" plus 1 Over 2 , EndFraction : "l" "y" Subscript, "s" , Baseline plus cos left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis "y" Subscript, "s" , Baseline left parenthesis, "t" minus "l" , right parenthesis plus sin left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis "x" Subscript, "s" , Baseline left parenthesis, "t" minus "l" , right parenthesis , StartFraction, "l" plus 1 Over 2 , EndFraction less than "t" less than 1 : "l" "y" Subscript, "s" , Baseline minus sin left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis "x" Subscript, "s" , Baseline left parenthesis, "t" minus StartFraction, "l" plus 1 Over 2 , EndFraction , right parenthesis plus cos left parenthesis, StartFraction, 5 pi Over 6 , EndFraction , right parenthesis "y" Subscript, "s" , Baseline left parenthesis, "t" minus StartFraction, "l" plus 1 Over 2 , EndFraction , right parenthesis , right braceyarrt,xs,ys=0<t<l:yst,l<t<l+12:lys+cos5π6yst−l+sin5π6xst−l,l+12<t<1:lys−sin5π6xst−l+12+cos5π6yst−l+12
22
Uitdrukking 23: left parenthesis, "x" Subscript, "a" "r" "r" , Baseline left parenthesis, "t" , "a" Subscript, "l" , Baseline "x" Subscript, "x" , Baseline , "a" Subscript, "l" , Baseline "x" Subscript, "y" , Baseline , right parenthesis , "y" Subscript, "a" "r" "r" , Baseline left parenthesis, "t" , "a" Subscript, "l" , Baseline "x" Subscript, "x" , Baseline , "a" Subscript, "l" , Baseline "x" Subscript, "y" , Baseline , right parenthesis , right parenthesisxarrt,alxx,alxy,yarrt,alxx,alxy
Minimum domein t: 00
less than or equal to "t" less than or equal to≤t≤
Maximum domein t: 11
23
Uitdrukking 24: left parenthesis, "x" Subscript, "a" "r" "r" , Baseline left parenthesis, "t" , "a" Subscript, "l" , Baseline "y" Subscript, "x" , Baseline , "a" Subscript, "l" , Baseline "y" Subscript, "y" , Baseline , right parenthesis , "y" Subscript, "a" "r" "r" , Baseline left parenthesis, "t" , "a" Subscript, "l" , Baseline "y" Subscript, "x" , Baseline , "a" Subscript, "l" , Baseline "y" Subscript, "y" , Baseline , right parenthesis , right parenthesisxarrt,alyx,alyy,yarrt,alyx,alyy
Minimum domein t: 00
less than or equal to "t" less than or equal to≤t≤
Maximum domein t: 11
24
Uitdrukking 25: left parenthesis, "x" Subscript, "a" "r" "r" , Baseline left parenthesis, "t" , "a" Subscript, "l" , Baseline "z" Subscript, "x" , Baseline , "a" Subscript, "l" , Baseline "z" Subscript, "y" , Baseline , right parenthesis , "y" Subscript, "a" "r" "r" , Baseline left parenthesis, "t" , "a" Subscript, "l" , Baseline "z" Subscript, "x" , Baseline , "a" Subscript, "l" , Baseline "z" Subscript, "y" , Baseline , right parenthesis , right parenthesisxarrt,alzx,alzy,yarrt,alzx,alzy
Minimum domein t: 00
less than or equal to "t" less than or equal to≤t≤
Maximum domein t: 11
25
And, finally, we draw the graph in blue and green. Can you figure out what g(t) and h(t) do?
26
Uitdrukking 27: "g" left parenthesis, "x" , right parenthesis equals 2 "s" left parenthesis, StartFraction, floor left parenthesis, "x" times left parenthesis, "n" plus 1 , right parenthesis , right parenthesis Over "n" , EndFraction minus .5 , right parenthesisgx=2sfloorx·n+1n−.5
27
Uitdrukking 28: "h" left parenthesis, "x" , right parenthesis equals 2 "s" left parenthesis, mod left parenthesis, "x" times left parenthesis, "n" plus 1 , right parenthesis , 1 , right parenthesis minus .5 , right parenthesishx=2smodx·n+1,1−.5
28
Uitdrukking 29: left parenthesis, "x" Subscript, "x" , Baseline "g" left parenthesis, "t" , right parenthesis plus "y" Subscript, "x" , Baseline "h" left parenthesis, "t" , right parenthesis plus "z" Subscript, "x" , Baseline "f" left parenthesis, "g" left parenthesis, "t" , right parenthesis , "h" left parenthesis, "t" , right parenthesis , right parenthesis , "x" Subscript, "y" , Baseline "g" left parenthesis, "t" , right parenthesis plus "y" Subscript, "y" , Baseline "h" left parenthesis, "t" , right parenthesis plus "z" Subscript, "y" , Baseline "f" left parenthesis, "g" left parenthesis, "t" , right parenthesis , "h" left parenthesis, "t" , right parenthesis , right parenthesis , right parenthesisxxgt+yxht+zxfgt,ht,xygt+yyht+zyfgt,ht
Minimum domein t: 00
less than or equal to "t" less than or equal to≤t≤
Maximum domein t: 11
29
Uitdrukking 30: left parenthesis, "x" Subscript, "x" , Baseline "h" left parenthesis, "t" , right parenthesis plus "y" Subscript, "x" , Baseline "g" left parenthesis, "t" , right parenthesis plus "z" Subscript, "x" , Baseline "f" left parenthesis, "h" left parenthesis, "t" , right parenthesis , "g" left parenthesis, "t" , right parenthesis , right parenthesis , "x" Subscript, "y" , Baseline "h" left parenthesis, "t" , right parenthesis plus "y" Subscript, "y" , Baseline "g" left parenthesis, "t" , right parenthesis plus "z" Subscript, "y" , Baseline "f" left parenthesis, "h" left parenthesis, "t" , right parenthesis , "g" left parenthesis, "t" , right parenthesis , right parenthesis , right parenthesisxxht+yxgt+zxfht,gt,xyht+yygt+zyfht,gt
Minimum domein t: 00
less than or equal to "t" less than or equal to≤t≤
Maximum domein t: 11
30
31
mogelijk gemaakt door
mogelijk gemaakt door
"x"x
"y"y
"a" squareda2
"a" Superscript, "b" , Baselineab
77
88
99
over÷
functies
((
))
less than<
greater than>
44
55
66
times×
| "a" ||a|
,,
less than or equal to≤
greater than or equal to≥
11
22
33
negative−
A B C
StartRoot, , EndRoot
piπ
00
..
equals=
positive+
of
om je grafieken op te slaan!
Nieuwe lege grafiek
Voorbeelden
Lineaire functies: hellingshoek en snijpunt met y-as
voorbeeld
Lineaire functies: 1 punt
voorbeeld
Lineaire functies: 2 punten
voorbeeld
Parabolen: standaard
voorbeeld
Parabolen: canonieke vergelijking
voorbeeld
Parabolen: standaard + raaklijn
voorbeeld
Trigonometrie: periode en amplitude
voorbeeld
Trigonometrie: fase
voorbeeld
Trigonometrie: golfinterferentie
voorbeeld
Trigonometrie: eenheidscirkel
voorbeeld
Kegelsneden: cirkel
voorbeeld
Kegelsneden: parabool en focus
voorbeeld
Kegelsneden: ellips met brandpunten
voorbeeld
Kegelsneden: hyperbolen
voorbeeld
Polair: roos
voorbeeld
Polair: logaritmische spiraal
voorbeeld
Polair: limaçon van Pascal
voorbeeld
Polair: kegelsneden
voorbeeld
Parametrisch: inleiding
voorbeeld
Parametrisch: cycloïde
voorbeeld
Transformaties: een functie transformeren
voorbeeld
Transformaties: functies schalen
voorbeeld
Transformaties: inverse van een functie
voorbeeld
Statistiek: lineaire regressie
voorbeeld
Statistiek: kwartet van Anscombe
voorbeeld
Statistiek: polynoom van de graad 4
voorbeeld
Lijsten: familie van sinusfuncties
voorbeeld
Lijsten: string art
voorbeeld
Lijsten: een lijst met punten plotten
voorbeeld
Differentiaalrekening: afgeleiden
voorbeeld
Differentiaalrekening: snijlijn
voorbeeld
Differentiaalrekening: raaklijn
voorbeeld
Differentiaalrekening: Taylorreeks van sin(x)
voorbeeld
Differentiaalrekening: integralen
voorbeeld
Differentiaalrekening: integralen met variabele grenzen
voorbeeld
Differentiaalrekening: hoofdstelling van de integraalrekening
