1. Функция main.

2. Функция chtenie_dannih.

3. Функция eee.

4. Функция kkk.

5. Функция vvv.

6. Функция vivod_grafikov.

4. Текст программы на языке Си. Результаты в виде таблиц и графиков

Текст программы на языке Си.

#include <stdio.h>

#include <math.h>

#include <alloc.h>

#include <conio.h>

#include <graphics.h>

#define N 3

struct variant

{

double T;

double dt;

double e0;

double k0;

double c;

double v0;

double r;

double R;

} mas[N];

double*ptt[N];

double*pHH[N];

int N_[N];

void chtenie_dannih(struct variant a[]);

double eee(double k0,double c,double e0,double t,double T);

double kkk(double k0,double c,double t,double T);

double vvv(double v0,double r,double t,double T);

void vivod_grafikov(int a,double*ptt,double*pHH,int N_);

//---------------------------------------------------------------------------

void main()

{

FILE *res;

int i,l,j;

double e,v,H,t;

double alfa=M_PI/2;

res=fopen("result.txt","w");

clrscr();

chtenie_dannih(mas);//s4itivaem dannie

puts("Vvedite, pogalyista, vawe ljubimoe chislo:");

scanf("%f",&H);

//tabyliryem fynkciju

for(i=0;i<N;i++)

{

N_[i]=((int)(mas[i].T/mas[i].dt))+2;

ptt[i]=(double*)malloc(N_[i]*sizeof(double));

pHH[i]=(double*)malloc(N_[i]*sizeof(double));

for(t=0,l=0;t<=mas[i].T+1e-5;t+=mas[i].dt,l++)

{

e=eee(mas[i].k0,mas[i].c,mas[i].e0,t,mas[i].T);

v=vvv(mas[i].v0,mas[i].r,t,mas[i].T);

H=e*v*sin(alfa)/pow(mas[i].R,2.0);

ptt[i][l]=t;

pHH[i][l]=H;

fprintf(res,"H(%lf)=%lf\n",t,H);

}

N_[i]=l;

fprintf(res,"\n");

}

fclose(res);

fflush(stdin);

//vivodim grafiki

for(i=0;i<N;i++)

{

vivod_grafikov(i,ptt[i],pHH[i],N_[i]);

getchar();

}

}

//---------------------------------------------------------------------------

void chtenie_dannih(struct variant a[])

{

int i;

FILE*f = fopen("ish.txt","r");

for(i=0;i<N;i++)

{

fscanf(f,"%lf",&a[i].T);

fscanf(f,"%lf",&a[i].dt);

fscanf(f,"%lf",&a[i].e0);

fscanf(f,"%lf",&a[i].k0);

fscanf(f,"%lf",&a[i].c);

fscanf(f,"%lf",&a[i].v0);

fscanf(f,"%lf",&a[i].r);

fscanf(f,"%lf",&a[i].R);

}

fclose(f);

}

//---------------------------------------------------------------------------

double eee(double k0,double c,double e0,double t,double T)

{

double k=kkk(k0,c,t,T);

double res_e;

if(t<=T/4)

res_e=e0*(1-exp(-k*t));

else

res_e=e0*(1-exp(-k*T/4));

return res_e;

}

//---------------------------------------------------------------------------

double kkk(double k0,double c,double t,double T)

{

double res_k;

if(t<=T/8)

res_k=k0*(1+exp(-c*t));

else

res_k=k0*(1+exp(-c*T/8));

return res_k;

}

//---------------------------------------------------------------------------

double vvv(double v0,double r,double t,double T)

{

double res_v;

if(t<=T/2)

res_v=v0*(1+exp(-r*t));

else

res_v=v0*(1+exp(-r*T/2));

return res_v;

}

//---------------------------------------------------------------------------

void vivod_grafikov(int a,double*ptt,double*pHH,int N_)

{

int gdriver = DETECT, gmode, errorcode;

int xmax,ymax;//maksimalnie koordinatu x - shir, y - visota

int xmin,ymin;//otstupi ot kraev

int x_tek,y_tek;//tekushie koordinati

int x_pred,y_pred;//predidushie koordinati

int i;

char st[20];

double minH,maxH;//krajnie znachenija H

initgraph(&gdriver, &gmode, "f:\\turbocpp\\bgi");

//ystanavlivaem otstypi ot kraev

xmin = 85;

ymin = 15;

//ystanavlivaem maksimalnie koordinati x i y

xmax = getmaxx()-20;

ymax = getmaxy()-20;

//nahodim maksimalnoe i minimalnoe H

maxH = minH = pHH[0];

for(i=0;i<N_;i++)

{

minH = (pHH[i]<minH)?pHH[i]:minH;

maxH = (pHH[i]>maxH)?pHH[i]:maxH;

}

//zalivaem fon

setfillstyle(SOLID_FILL,7);

bar(0,0,getmaxx(),getmaxy());

//vivodim nomer varianta

setcolor(2);

sprintf(st,"Variant No %d",a+1);

outtextxy(0,4,st);

//4ertim osi

setcolor(0);

line(xmin,ymin,xmin,ymax);//os' oy

line(xmin,ymax,xmax,ymax);//os' ox

//risyem strelo4ki

line(xmin,ymin,xmin+3,ymin+5); // Y \

line(xmin,ymin,xmin-3,ymin+5); // Y /

line(xmax,ymax,xmax-5,ymax-3); // X \

line(xmax,ymax,xmax-5,ymax+3); // X /

//podpisivaem osi

setcolor(6);

outtextxy(xmin+6,ymin,"H");

outtextxy(xmax,ymax-10,"t");

//4ertim i podpisivaem delenija po osi oy

setcolor(0);

settextstyle(SMALL_FONT,HORIZ_DIR,4);

for(y_tek=ymax-20;y_tek>ymin+10;y_tek-= 20)

{

line(xmin-2,y_tek,xmin+2,y_tek);

sprintf(st,"%0.5lf",maxH-(y_tek-ymin)*(maxH-minH)/(ymax-ymin));

outtextxy(xmin-70,y_tek-6,st);

}

//4ertim i podpisivaem delenija po osi ox

for(i=0;i<N_;i++)

{

x_tek=xmin+((ptt[i]-ptt[0])*(xmax-xmin)/(ptt[N_-1]-ptt[0]));

line(x_tek,ymax-2,x_tek,ymax+2);

if(i%3==0)

{

sprintf(st,"%0.2lf",ptt[0]+(x_tek-xmin)*(ptt[N_-1]-ptt[0])/(xmax-xmin));

outtextxy(x_tek-3,ymax+4,st);

}

}

//risyem grafik

setcolor(1);

x_pred=xmin;

y_pred=ymax;

for(i=0;i<N_;i++)

{

x_tek=xmin+((ptt[i]-ptt[0])*(xmax-xmin)/(ptt[N_-1]-ptt[0]));

y_tek=(int)((pHH[i]-minH)*(ymax-ymin)/(maxH-minH));

y_tek=ymax-y_tek;

line(x_pred,y_pred,x_tek,y_tek);

x_pred=x_tek;

y_pred=y_tek;

}

}

Результаты в виде таблиц и графиков.

Ш 1-й вариант

Исходные данные:

T=1 c

?t=0.05 c

e0=1*10-9 к

k0=0.01

с=0,1

v0=1000 м/с

r=2

R=0,001 м

Результаты программы:

H(0.000000)=0.000000

H(0.050000)=0.001899

H(0.100000)=0.003616

H(0.150000)=0.005182

H(0.200000)=0.006627

H(0.250000)=0.007963

H(0.300000)=0.007677

H(0.350000)=0.007418

H(0.400000)=0.007184

H(0.450000)=0.006972

H(0.500000)=0.006780

H(0.550000)=0.006780

H(0.600000)=0.006780

H(0.650000)=0.006780

H(0.700000)=0.006780

H(0.750000)=0.006780

H(0.800000)=0.006780

H(0.850000)=0.006780

H(0.900000)=0.006780

H(0.950000)=0.006780

H(1.000000)=0.006780

Результаты в Excel:

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