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- iostream.h. #include<iostream.h> cin cout ,
cin . , x , cinx; , x , . , cinxyz;.
cout . . coutx; x.
1
F x. x. dx.
a,b,c
:
1)
:
xn x
xk x
dx
a,b,c
x
F-
: x,F
2)-
 |
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 |
3) :
#include<iostream>
#include<iomanip>
using namespace std;
int main ()
{float x,xn,xk,dx,a,b,c;
double F;
cout<<"Vvedite xn,xk,dx,a,b,c"<<endl;
cin>>xn>>xk>>dx>>a>>b>>c;
cout<<"\n Tablitsa znacheniy x i y \n";
x=xn;
while(x<=xk)
{if(x==0 && b!=0) F=a*(x+c)*(x+c)-b; else
if(x==0 && b==0)
F=(x-a)/-c; else F=a+(x/c);
cout<<"x= "<<x<<"\t""F= "<<F<<endl;x+=dx;}
}
4) :
5):
2.
, , . . dx £.
1)
: x,ln,eps,MaxIter
: y,x,n
ln-
x-
y-
n-
eps-
MaxIter -
:
h*= 
2)-
 | |||
 |
3):
#include<iostream>
#include <math.h>
#include <float.h>
using namespace std;
int main()
{
const int MaxIter=500;
double x,eps=DBL_EPSILON; int n;
cout<<"\n Vvedite znacenie x";cin>>x;
double ch=1,y=ch;
for(n=0; fabs(ch)>eps && n<MaxIter;n++)
{ch*=((x-1)*(x-1)*2*n+1)/((x+1)*(x+1)*(2*n+3));
y+=ch;}
if(n<MaxIter)
{cout<<"\n znacenie fynkcii: "<<y*2<<" dlya x="<<x<<endl;
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cout<<"\n vicisleno posle "<<n<<" operacii"<<endl;}
else cout<<"\n Ryad rasxoditsya!";
}
4) :
5):
 |
1.
, n :
1)
2)
3)
1)
: arr[i],m
: n
n-
2)-
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 |
:
#include <iostream>
#include <math.h>
using namespace std;
int main()
{
int n,arr[50],m=0,z,sum=0;
cout<<"Vvedite RAZMER MASSIVA: "; cin>>n;
for (int i=0; i<n; i++){
cout<<"["<<i+1<<"]: "; cin>>arr[i];
}
int min=fabs(arr[0]);
for (int i=0; i<n; i++)
if (arr[i]<0){m++;
if (fabs(arr[i])<fabs(min)){min=arr[i]; z=i;}
}
for (int i=z+1; i<n; i++){
sum+=fabs(arr[i]);
}
cout<<"OTRICATELNIH ELEMENTOV: "<<m<<endl;
cout<<"MINIMALNIY PO MODULYU: "<<min<<';'<<" EGO NOMER: "<<z<<endl;
cout<<"SUMMA MODULEY, RASPOLOJENNIH POSLE "<<min<<" RAVNA: "<<sum;
return 0;
}
:
:
01.02 , Dev-C++.
:
.
.
.
- Dev-C++, .
:
- C++;
- ;
- ;
- ;
- .
