%exemple de trace de fonction de R^2 dans R

close all;
clear all;
clc;

nSub=10;
xMin=0;
xMax=5;
yMin=0;
yMax=5;

xPlot=linspace(xMin,xMax,nSub);
yPlot=linspace(xMin,xMax,nSub);

[X,Y]=meshgrid(xPlot,yPlot);

Z=zeros(nSub,nSub);
for i=1:nSub
    for j=1:1:nSub
        Z(i,j)=X(i,j);
    end
end

figure(1)
hold on
surf(X,Y,Z);
xlabel('axe x');
ylabel('axe y');
grid;
hold off