FIC MATLAB 2018-1/Aula-8

%-- 05-04-2018 19:05:52 --%
% Variáveis lógicas
logical(17)
format compact
logical(7)
logical(23)
logical(-17)
logical(0)
var1 = 0
var2 = true
var2 = false
doc logical
var3 = logical([])
vetor = randi(10,1,8)
% Endereçamento lógico
vetor(3)
vetor(1,3)
vetor(logical(1))
vetor(logical(0))
vetor(logical(3))
vetor(logical([0 0 1 0 0 0 0 0]))
vetor
vetor(logical([0 0 1 0 0 0 0 1]))
vetor([2 1 1 7 5 3 1 1])
vetor([0 0 1 0 0 0 0 1])
vetor(0)
vetor([false false true false false false false true])
vetor(logical([0 0 1 0 0 0 0 1]))
vetor
vetor(logical([0 0 1 0 0 1]))
% Operadores relacionais
x = 1;
x > 3
x < 10
x ~= 12
y = x == 3
double(y)
y + 12
y = true
y + 12
n = -3:3
n > 0
n >= 0
n(n >= 0)
m = [1 2 3]
% Comparação de vetoresx
n
m
n == m
m = [0 -2 8 1 1 0 3]
n
n == m
isequal(n,[1 3 5])
isequal(n,m)
x
x = -2:11
x2 = x(x > 0);
x2(x2 <= 9)
% Operadores lógicos
(x > 0) & (x <= 9)
x
(0 < x) & (x <= 9)
x((0 < x) & (x <= 9))
x(0 < x & x <= 9)
x(0<x & x<=9)
0 < x <= 9
x
x(0>=x & x>9)
0>=x & x>9
0>=x | x>9
~(0<x & x<=9)
m
n
xor(m,n)
0<x & x<=9
0<x & x<=5
xor(x>0, x<3)
x
x>0 | x<3
x
x>0 | x<3
x>0 & x<3
xor(x>0, x<3)
~xor(x>0, x<3)
% Strings
nome = 'Roberto'
nome == 'Roberto'
nome == 'Ronaldo'
strcmp(nome,'Roberto')
strcmp(nome,'Ronaldão')
nome == 'Ronaldão'
isequal(nome, 'Ronaldão')
isequal(nome, 'Roberto')
isequal(nome, 'roberto')
strcmpi(nome,'roberto')
strcmpi(nome,'rObERTo')
strcmpi(nome,'rObERT0')
double('e')
'e'+0
char(101)
a = 0.0
whos
float(0.0)
doc find
% Comando find
x
find(x > 9)
x(find(x > 9))
find([0 0 2 -1 7 3])
find([0 0 2 -1 7 3] > 0)
find('Roberto')
find('Robert0')
find(['Roberto' 0])
find([0 'Roberto'])
find('Roberto' == 'o')
indices = find('Roberto' == 'o');
indices(1)
indices = find('Roberto' == 'o',1);
find('Roberto' == 'o',1)
find('Roberto' == 'o',2)
[a,b] = find('Roberto' == 'o',2)
[a,b] = find('Roberto' == 'o')
edit teste1.m
teste1
doc publish
isnumeric('a')
isnumeric(a)
isnumeric(ans)