1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
input splines;
numeric u; u:=1cm;
path xaxis, yaxis;
xaxis := (-2.5u,0)--(1.5u,0);
yaxis := (0,-.5u)--(0,1.5u);
def shiftit =
currentpicture := currentpicture shifted -llcorner currentpicture;
enddef;
def dodots (text t) =
for _loc = t:
fill (fullcircle scaled 2pt) shifted (u*_loc);
endfor
enddef;
beginfig(1);
drawarrow xaxis;
drawarrow yaxis;
path p;
p := dospline (true)
((-1,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
draw p scaled u;
label(btex From {\tt dospline (true)}. etex,(.25u,-.75u));
dodots ((-1,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
shiftit;
endfig;
beginfig(2);
drawarrow xaxis;
drawarrow yaxis;
save A; pair A[];
list_to_array (A)((-1,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
path p;
p := mkclosedspline (A);
draw p scaled u;
label(btex From {\tt mkclosedspline}. etex,(.25u,-.75u));
dodots (A1, A2, A3, A4, A5, A6, A7);
shiftit;
endfig;
beginfig(3);
drawarrow xaxis;
drawarrow yaxis;
path p;
p := dospline (false)
((-1,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
draw p scaled u;
label(btex From {\tt dospline (false)}. etex,(.25u,-.75u));
dodots ((-1,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
shiftit;
endfig;
beginfig(4);
drawarrow xaxis;
drawarrow yaxis;
save A; pair A[];
list_to_array (A)((-1,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
path p;
p := mkrelaxedspline (A);
draw p scaled u;
label(btex From {\tt mkrelaxedspline}. etex,(.25u,-.75u));
dodots (A1, A2, A3, A4, A5, A6, A7);
shiftit;
endfig;
beginfig(5);
drawarrow xaxis;
drawarrow yaxis;
path p;
p := fcnspline (true)
((-2,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
draw p scaled u;
label(btex From {\tt fcnspline (true)}. etex,(.25u,-.75u));
dodots ((-2,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
shiftit;
endfig;
beginfig(6);
drawarrow xaxis;
drawarrow yaxis;
save A; pair A[];
list_to_array(A) ((-2,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
path p;
p := mkperiodicfcnspline (A);
draw p scaled u;
label(btex From {\tt mkperiodicfcnspline}. etex,(.25u,-.75u));
dodots (A1, A2, A3, A4, A5, A6, A7);
shiftit;
endfig;
beginfig(7);
drawarrow xaxis;
drawarrow yaxis;
path p;
p := fcnspline (false)
((-2,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
draw p scaled u;
label(btex From {\tt fcnspline (false)}. etex,(.25u,-.75u));
dodots((-2,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
shiftit;
endfig;
beginfig(8);
drawarrow xaxis;
drawarrow yaxis;
save A; pair A[];
list_to_array(A) ((-2,0), (-1,1), (-.5,.8), (0,1),(.5,.4), (1,0), (1.5,1));
path p;
p := mkrelaxedfcnspline (A);
draw p scaled u;
label(btex From {\tt mkrelaxedfcnspline}. etex,(.25u,-.75u));
dodots (A1, A2, A3, A4, A5, A6, A7);
shiftit;
endfig;
end.
|
