Euler RR v2

clc;
clear all;

f = @(x,y) x+y;
yk=1;
x0=0;
eps=0.01;
h=0.1;

k=0;
xk=x0;
while(xk=1+h)
    yk1 = yk + hf(xk,yk);
    yk2 = yk + 2hf(xk,yk);
    if(abs(yk1-yk2)eps)
            fprintf('k=%d x=%f y=%f  h=%fn',k,xk,double(yk),h);
    xk=xk+h;
    yk=yk1;
    k=k+1;
    else
        fprintf('ZMIANA h abs = %f n',double(abs(yk1-yk2)));
        h=h2;

    end

end
% k=359 x=1.000000 y=3.426912  h=0.001563