Методичка по Информатике Ч_3
.pdfIF(F(XI)*F(B).LT.0) T=B
X=XI
GO TO 2
1WRITE (5,*) XI STOP
END
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C
F(Z)=Z*Z*ZZ+1
F1(Z)=3*Z*Z1
C
READ (5,*) A, B, E
X=A
23
IF(F(B)*6*B.GT.0) X=B
2XI=XF(X)/F1(X)
IF(ABS(XIX).LE.E) GO TO 1 X=XI
GO TO 2
C
1WRITE(5,*) XI STOP
END
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0,001 x 1,324718 , 0,0001 x 1,324718 .
a, b,
x0=a
f (b)·f ''(b)<0
x0=b
(23.8)
|xi xi-1| xi xi-1=xi
. 23.5
24
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. 24.4). |
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C
F(Z)=(Z+2)*(Z+2)/6.
READ (5,*) A, B, H
S=0.
29
a, b, h |
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S |
. 24.4
C N ZN=(B A)/H
N=ZN
DO 1 I=1, N X=A+I*H
1S=S+F(X)
S=S*H
WRITE (5,*) S STOP
END
:
a 2,0 , b 6,0 h 0,01 S 24,92890 , h 0,001
x 24,88221.
1. .
30