sin(3.14) 

sin(pi) 

tan(pi) 

cot(pi) 

2^15 

log2(16) 

log10(1/10) 

log5(25) 

ceil(3.2) 

eps 

a=[1 2 5 6]' 

a 

A=[1:4;2:-2:-4;1 3 8] 

A=[1:4;2:-2:-4;1 3 8 0] 

rand(2,3) 

format compact 

format long 

rand(2,3) 

format rat 

rand(2,3) 

pi 

format long 

pi 

format short 

A 

A([2,3],3) 

A((2,3),3) 

A 

A(5) 

A(:,2) 

A(3,:) 

x=linspace(-5,3,20) 

x=linspace(-5,3,20); 

y=exp(x)-cos(x)-1 

y=exp(x)-cos(x)-1; 

plot(x,y) 

plot(x,y,'+') 

plot(x,y,'-') 

plot(x,y,'o') 

plot(x,y,'o',x,y) 

M=magic(5) 

sum(M) 

sum(M') 

sum(M')' 

M 

min(M) 

M 

sort(M) 

n=input('? ')