CoCalc -- Practica 4.ipynb

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ubuntu2204

Kernel: R (system-wide)

r <- 1/3; print(r)
r <- pi; print(r)
options(digits =16)
r <- 1/3; print(r)
r <- pi; print(r)
options( digits =7)

In [3]:

sqrt(-1)

Out[3]:

Warning message in sqrt(-1):
“NaNs produced”

[1] NaN

In [4]:

sqrt(-1 + 0i)

Out[4]:

[1] 0+1i

In [5]:

sqrt( as.complex(-1) )

Out[5]:

[1] 0+1i

In [8]:

r <- typeof( pi ); print(r)
r <- typeof("bosque tropical"); print(r)
r <- typeof(2 + 2i)

Out[8]:

[1] "double"
[1] "character"

In [9]:

 r <- 0/0; print(r)
r <- Inf - Inf; print(r)
Inf/Inf

Out[9]:

[1] NaN
[1] NaN

[1] NaN

In [10]:

r <- NaN + 1000; print(r)
r <- NaN*5; print(r)
r <- NaN/8; print(r)
r <- NaN + NaN; print(r)
log (NaN)

Out[10]:

[1] NaN
[1] NaN
[1] NaN
[1] NaN

[1] NaN