Qimik

-->for i = 1:5
-->disp(i)
-->end

1.

2.

3.

4.

5.

-->for i = 1:2:5
-->disp(i)
-->end

1.

3.

5.

-->e =1; k = 0;-->while 1+(e/2) ~= 1 do
-->e = e/2; k = k+1;
-->end

-->e,k
e =

2.220D-16
k =

52.

-->x = int(rand(1)+100-50);

-->ifx>0 then
!--error 4
Variableindefinida: ifx



-->x = int(rand(1)*100-50);

-->if x>0 then
-->disp('positiva')

positiva
-->elseif x ==0 then
-->disp('cero')
-->else
-->disp('negativa')
-->end-->x = int(rand(1)*3);

-->select x
-->case 0 then
-->disp('cero')

cero
-->case 1 then
-->disp('uno')
-->case 2 then
-->disp('dos')
-->else
-->disp('demasiadogrande')
-->end

-->a = int(rand(3,4)*20)
a =

6. 16. 1. 14.
13. 13. 11. 3.
12. 17. 13. 10.

-->a =int(rand(3,4)*20); a>10 ,bool2s(a>10)ans =

F T T F
F T F F
F F F T
ans =

0. 1. 1. 0.
0. 1. 0. 0.
0. 0. 0. 1.

-->a=int(rand(3,4)*100);

-->x=find(a<20);-->a(x)
ans =

4.

-->x= find(a<20 | a>70); a(x) // logica O
ans =

91.
4.

-->y= find(a>20 & a <70); a(y) // logica Y
ans =

48.
33.
59.50.
43.
26.
63.
40.
48.
26.

-->and(a>10)
ans =

F

-->or(a>10)
ans =

T

-->a=rand(5,3)
a =

0.4148104 0.11213550.4062025
0.2806498 0.6856896 0.4094825
0.1280058 0.1531217 0.8784126
0.7783129 0.6970851 0.1138360
0.2119030 0.8415518 0.1998338-->s=sum(a,'r')
s =

1.8136819 2.4895836 2.0077673

-->m=mean(a,1)
m =

0.3627364 0.4979167 0.4015535

-->sd=stdev(a,1)
sd =

0.2549524 0.3393827 0.2962057...