Информатика_1 / Excel / 4_Postroenie_grafikov_poverkhnostey_i_diagramm
.pdf
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1.: ,
: Times New Roman Cyr, 12,
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3. y=sin x.
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. Y
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4.
y ax 2 bx c , a, b
[-5;5] 0.2.
5.
y a sin(b x c) , a, b [n1;n2]
h=(n2-n1)/30.
6.
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3_4 5
. =a*sin(bx+c),
a, b [n1;n2] h=(n2-n1)/30.
:
1.:
B4, B5 B6 a, b c, , 1, 2 3.
B8 B9
, , -1 5.
B10
=(B9-B8)/30.
0,2.
2. x
y:
12
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A12 “x“,
B12 , .
B8,
B13 ( )
, =B12+$B$10 $B$10 –
, ,
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D12:AF12
x 30 , .
y. A13
y, B13 - =$B$4*SIN($B$5*B12+$B$6).
($B$4, $B$5 $B$6 ) B12
x) –
, .
C13:AF13
=a*sin(bx+c) ( a, b – )
[n1;n2] h=(n2-n1)/30.
3. :
A12:AF13,
,
, :
3_4 6
:
z=cos(x^2+y^2+1)/(x^2+y^2+1)^(1/2) -2<=x<=2 -2<=y<=2
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(x y), .
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, . 0,2, , 20 x 20
y, z 20×20=400 ).
– .
4 B
x-2 2,
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- , 0,2 -1,8 ( C4)
x B4:V4.
A5 y -2,
A6 – -1,8, A5:A25
y.
z.
, x=-2 y=-2 z ( B5) ,
B5
4 ( x) A (
y).
z ( B5), B4 (
x) A5 ( y)
( , ,
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B$4 $A5, ,
).
.
-3 =A1 ),
-D3 – =A$1, ( –
A – 1)
-E3 - =$A1 ( –
A – 1)
-F3 - =$A$1 ( )
C3:F3 D4:G4 (
)
:
-D4 - =B2 (
),
-E4 – =B$1, ( ,
, 1 1
)
-F4 - =$A2 ,
A, A
)
-G3 - =$A$1 ( , A1
)
, z(-2,-2) B5 :
=COS(B$4^2+$A5^2+1)/(B$4^2+$A5^2+1)^(1/2)
6 ,
4 ( ) A (y).
B5:V25
A4:V25 ,
( ,
), :