تبلیغات 
سه شنبه 15 تیر 1395 01:58 ق.ظ
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کدهای متلب :
clear all
close all
clc
x = linspace(-2,2,20);
y = 1./(x+(1-x).^2);
p = polyfit(x,y,3);
xx = linspace(-2,2,100);
plot(x,y,'.',xx,polyval(p,xx),'-','MarkerSize',30,'LineWidth',2)
close all
clc
x = linspace(-2,2,20);
y = 1./(x+(1-x).^2);
p = polyfit(x,y,3);
xx = linspace(-2,2,100);
plot(x,y,'.',xx,polyval(p,xx),'-','MarkerSize',30,'LineWidth',2)
نتیجه :
منبع کدها :
کتاب MATLAB Guide - D.J. Higham - second edition - صفحه 161 از فایل pdf کتاب
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