FIC MATLAB 2018-1/Aula-2

%-- 15-03-2018 19:12:01 --%
1/3
format short
1/3
pi
format long
pi
format short e
121545841215
15e13
exp(1)
format long e
121545841215
format bank
pi
format +
pi
-16
doc format
inv(randn(100,100))
clc
f = get(0,'Format')
0
1
-1
0
1
format rat
3.567
1/3
pi
format long
355/113
pi
22/7
format compact
22/7
format loose
22/7
format
22/7
format compact rat
format compact,rat
format compact;rat
doc format
pi
format rat
pi
format
pi
format compact
% qualquer coisa
% Vetores
x = [17 2 30 4]
x = [17, 2, 30, 4]
x = [17, 2, 30+2, 4]
y = [1 22 -3 4]
y = [1; 22; -3; 4]
y = [1
22
-3
4]
A = [1 2; 20 -5; 17.5 17]
z = [1 27 17 17 14 22 -8 -1]
x
length(x)
size(A)
length(y)
% Funcoes de tamanho
x
y
length(x)
length(y)
length(A)
B = [1 3 6; 5 1 7]
length(B)
size(A)
size(x)
size(y)
y
length(x)
m = length(x)
% Vetores usando dois pontos
n = 1:10
n = 1:100
o = 10:1
o = 10:-1:1
p = 1 : 0.5 : 10
p = 1 : pi : 100
format rat
p = 1 : pi : 100
format short
p = 1 : -pi : 100
p = 100 : -pi : 1
1 : 10 : 5
1 : 10 : 100
0 : 10 : 100
0 : 11 : 100
1 : 10 : 5
m
1 : m : 3 * m
a = 1 : (100 + 1)/50 : 100;
size(a)
a
b = linspace(1,100,52)
size(b)
b = linspace(100,1,5)
b = logspace(1,3,10)
b = logspace(1,2,10)
A = [1 2; 20 -5; 17.5 m]
m
linspace(3, 10, 6)
passo = (10 - 3) / 5
3 : 1.4 : 10
cbrt
doc sqrt
logspace(0, log(1024), 10)
log(1024)
log10(1024)
logspace(0, log10(1024), 10)
format bank
logspace(0, log10(1024), 10)
logspace(0, log10(1024), 11)
log10(1024)
clc
logspace(1, 2, 5)
format short
logspace(1, 2, 5)
17.7828 / 10
56.2341 / 31.6228
eye(3)
eye(5)
eye(2)
eye(1)
eye(3,4)
eye(4,2)
eye(4)
eye(4,4)
eye(4,4,2)
zeros(2,3)
zeros(4)
zeros(1, 5)
ones(3,2)
2*ones(3,2)
ones(3,2,4)
ones(3,2,4,2,3,2)
A
zero(3,2)
zeros(3,2)
size(A)
zeros(size(A))
eye(size(A))
x
zeros(1, length(x))
zeros(length(x))
zeros(size(x))
size(x)
t = ones(3,2,4,2,3,2)
size(t)
A
size(size(A))
size(A)
A
A.'
A'
1+3i
D = [(1+3i) 4; (-1-6i) (1i)]
D'
D.'