clc
clear all
close all

x1=1:0.01:10;
x2=1:0.01:10;

U = 4*kron((x1.^2)',x2.^2);

scrsz = get(0,'ScreenSize');
figure('Position',[scrsz(3)/12 scrsz(4)/12 scrsz(3)*5/6 scrsz(4)*5/6])
subplot(2,2,1)
mesh(x1,x2,U)
title('už. fce: 4 * x1^2 * x2^2')
xlabel('x1')
ylabel('x2')
zlabel('uzitek')

subplot(2,2,2)
mesh(x1,x2,U)
title('už. fce: 4 * x1^2 * x2^2')
xlabel('x1')
ylabel('x2')
view([0,90])

clear all