Zadanie 1:

>>A=[1 2 3;4 4 6;7 8 9]
A =

1 2 3
4 4 6
7 8 9
>>B=[1 12 -3;0 9 1;-3 -2 0]
B =

1 12 -3
0 9 1
-3 -2 0
>>2*A+3*B
ans =

5 40 -3
8 35 15
5 10 18

>>A-2*B
ans =

-1 -22 9
4 -14 4
13 12 9

>>A*B
ans =

-8 24 -1
-14 72 -8
-20 138 -13

>>B*A
ans =

28 26 48
43 44 63
-11 -14 -21

Zadanie 2:

>>A=[2 4 -4;-2 -1 1;1 1 1]
A =

2 4 -4
-2 -1 1
1 1 1
>>B=[0;10;8]
B =

0
10
8
>>X=A\B

X =

-6.6667
9.0000
5.6667

Zadanie 3:

>>D=zeros(2,3)
D =

0 0 0
0 0 0
>>E=5*eye(3)
E =

5 0 0
0 5 0
0 0 5
>>F=3*ones(2,2)
F =

3 3
3 3


Zadanie 4:
suma=0
for i=1:1:10
suma=suma+input('podaj liczbę:')
end
disp('średnia wynosi:')
disp(suma/10)

Zadanie 5:
1) ezplot('((x-1)*(x^2+y^2))^2-((1/4)*x^2)^2')
2) ezplot('y^4+2*(2*x^2-3)*y^2+1')
3) t=[0:pi/100:10*pi];
plot(sin(t).*cos(t).^2, sin(t).^2.*cos(t))
4) plot3(cos(t),sin(t),exp(t))
5) ezsurfc('3*u+3*u*v^2-u^3','v^3-3*v-3*u*v^2','3*(u^2-v^2)')
6) ezmesh('nthroot(cos(x)^2+exp(y^2),4)')
7) ezpolar('sqrt(4-q^2)-asin(9/2)')
8) t=[0:pi/100:10*pi];
polar(t,2*sin(3*t))