Dyakonov V. P., Abramyenkova I. V., Kruglov V. V. Matlab 5 s pakyetami rasshiryeniy

O’ZBEKISTON RESPUBLIKASI AXBOROT TEXNOLOGIYALARI VA KOMUNIKATSIYALARINI RIVOJLANTIRISH VAZIRLIGI

Muhammad Al-Xorazmiy nomidagi Toshkent axborot texnologiyalari universiteti Samarqand filiali

AMALIY ISHI-3

Mavzu: Ko’p o’zgaruvchili chiziqli regressiya.
Mashinali o’qitish fanidan
KI20-02-guruh talabasi
Bajardi :
Tekshirdi : Axrorov M.

Samarqand -2023

Mavzu: Ko’p o’zgaruvchili chiziqli regressiya
14-Variant


1-rasm. Masalani berilishi va dasturga kiritib chiqish jarayoni


2-rasm. Dastur kodini yozib olish jarayoni



3-rasm. Masalani grafigi berilishi


4-rasm. Masalani grafigi berilishi ikkinchi ko’rinishi.

Dastur kodi

y=a(:,1)';
x1=a(:,2)';
x2=a(:,3)';
plot3(x1,x2,y,'bo','linewidth',4);
hold on;
n=length(x1);
a=[ones(n,1) x1' x2'];
c=pinv(a)*y';
x1=linspace(1,100,100);
x2=linspace(1,100,100);
[x1,x2]=meshgrid(x1,x2);
y=c(1)+c(2)*x1+c(3)*x2;
mesh(x1,x2,y)
xlabel('Distance from Base station');
ylabel('Mobility of user');
zlabel('Signal strength');
title('Signal strength variation with mobility of the user and distance from base station ')
grid on;
Xulosa
Bu masalada biz x1 x2 y kiritib ularni ustida turli xil garafiklar bilan ishlashni o’rgandik.
FOYDALANILGAN ADABIYOTLAR:

1. 
   MATLAB 7./R2006/R2007 o’quv qo’llanma.:M.2008.
   
2. 
   Mathematica. Wolfram, Stephen, 1959.
   
3. 
   Dyakonov V. P., Abramyenkova I. V., Kruglov V. V. MATLAB 5 s pakyetami rasshiryeniy. – M.: Nolidj, 2001.
   
4. 
   Dyakonov V. P. MATLAB 6.5 SP1/7 + Simulink 5/6 v. Obrabotka signalov I proyektirovaniye filtrov. – M.: Solon_R, 2005.
   
5. 
   Dyakonov V. P. MATLAB 6.5 SP1/7 + Simulink 5/6 v. Rabota s izobrajye_ niyami i vidyeopotokami. – M.: Solon_R, 2005.
   
6. 
   Foydalanilgan manbalar:
   
7. 
   http://www.mathworks.com/access/helpdesk/help/helpdesk.html.
   
8. 
   http://www. lephanpublishing.com/MatlabCsharp.html
   
9. 
   http://www.lephanpublishing.com/MATLABBookCplusplus.html
   
10. 
    http://www.google.uz.