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
|
#
# weight.m
#
# (c) 2022 Prof Dr Andreas Müller, OST Ostschweizer Fachhochschule
#
global N;
N = 200;
global s;
s = 8;
global l;
l = 10;
global A;
A = 0.3;
function retval = gewicht(x)
global s;
retval = (x + 1)^(-2) * (x + 1/3)^(-0.9) * (x - 1/3) * (x - 1)^2 * exp(s * x);
endfunction
h = 2 / N;
x = (-1:h:1);
function punkt(fn, x, y)
global A;
fprintf(fn, "(%.4f,%.4f)", x, A * abs(y));
endfunction
fn = fopen("weightfunction.tex", "w");
plotting = 0;
drittelsuchen = 1;
for i = (1:N+1)
if (drittelsuchen > 0)
if (x(i) > (1/3))
fprintf(fn, "\n\t-- ");
punkt(fn, 1/3, 0);
fprintf(fn, "% drittel");
drittelsuchen = 0
end
end
y = gewicht(x(i));
if (plotting > 0)
if (abs(y) > l)
fprintf(fn, ";\n");
plotting = 0;
end
fprintf(fn, "\t\n-- ");
punkt(fn, x(i), y);
else
if (abs(y) < l)
fprintf(fn, "\\draw[color=red,line width=2.0pt] ");
punkt(fn, x(i), y);
plotting = 1;
end
end
endfor
if (plotting > 0)
fprintf(fn, ";\n");
end
fclose(fn);
|
