z1

x = [6 3 0 1]
x = x+10
x(3) = 5
x(4) = 5
b = x^2
c = sqrt(b)

z2
z = 4:2:16

z3
p = randi(20, 100, 1)
sum(p)
mean(p)
std(p)
hist(p)

g=  [ 10 2 1 1 1 1 5 6 6 5 3 2 1 8 9 8 9 2 2 2 2 2 4 6 7]
sum(p)
mean(g)
std(g)
hist(g)

z4
A = [2 3 2 3; 1 4 0 2; 5 2 2 1; 1 1 1 0]
sum(A)
sum(A,2)
det(A)
rank(A)
inv(A)
A’



z5


z6
function [] = wykres(f,a,b)
        x = linespace(a,b,1000);
    func = eval(f);

plot(x,y);
end

z7
function [wynik]= silnia(argument)
        if argument ==0
                wynik =1;
        else
                wynik=argument*silnia(argument-1);
       end
end



function[wynik]=silnia(n)
wynik=1;
for i=1:n
wynik=wynik*i;
end