#######################
## Funções Matemáticas
log( 10 )
# Logaritmo natural
log( 10, base = 10) # Log base 10
log10(10)
# Também log de base 10
log( 10, base = 3.4076) # base 3.4076
############################
#Constante de funções trigonométricas
sin(0.5*pi) # Seno
cos(2*pi) # Coseno
asin(1) # Arco seno (radianos)
asin(1) / pi * 180
#############################
1 - (1 + 10^(-15))
factorial(100) # Fatorial de 100
#############################
## arredondamentos
round( 4.3478 )
round( 4.3478 , digits=3)
round( 4.3478 , digits=2)
#######################################
#Valores Infinitos, Indefinidos e Inexistentes
-5/0
500000000000000000/Inf
2 * NA
#########################
#Vetores
a = c(3.4, pi, exp(-1))
a1= c(3.4,pi, "a")
a2= c(3.4,pi, a)
a1
a2
#Sequências
b = 1:8
b
seq(from=1, to=4)
seq(from=1, to=4, by=0.5)
seq(from=1, to=4, length=6)
## Sequencias com padrão
rep(5, times=3)
rep(1:5, 3)
rep(1:5,each=3)
####################
#Operações com vetores
a = seq(0,8,2)
a
b = c(1,15,18,3,6)
a+b
a^(1/b)
length(b)/length(a)
b
sort(b)
sort(b, decreasing=T)
#######################################
