: . , . . .
, .
program tabulirovanie;
var a, b, h, x, y: real;
begin
a:= -2; b:= 2; h:= 0.2;
x:= a;
repeat
y:= 10*Cos(2*x);
writeln('x = ',x:3:2,' y = ',y:3:2);
x:= x + h;
until x > b + h;
readln
end.
, .
.
79. 79. 10Sin(x+1) -3 3.
: , . , , .
, , . . , . . , : , .
Y . , . , , . , , , .
round.
program grafik;
uses dos, crt, graph;
const kx = 100; { = 100 }
ky = 15; { Y = 15 }
a = -3; b= 3;
h = 0.1; { }
var y, x: real;
gd, gm, i, x1, y1: integer;
begin
gd:= 9; gm:= 1;
initgraph(gd,gm,'egavga.bgi'); { 640 350 }
setcolor(3); { }
rectangle(0,0,639,349);
line(0,175,640,175); line(640,175,620,170); line(640,175,620,180);
line(320,0,320,349); line(320,0,325,15); line(320,0,315,15);
setcolor(5); { }
x:= a; { }
while x <= b do { }
|
|
begin
y:= 10*Sin(x+1); { }
x1:= 320 + round(kx*x); { }
y1:= -round(ky*y)+175; { OY }
PutPixel(x1, y1, 10); { }
x:= x+h; { }
end;
readln;
closegraph;
end.
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91. 91. N. .
92. 92. N .
93. 93. , ||=2. [A, B] .
94. 94. N. , .
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96. 96. N.
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98. 98. 볻 .
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115.115. N (N<10).
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124.124. . , 3 7, .
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