Displaying 4 results from an estimated 4 matches for "7c638447993707432549".
2024 Feb 29
2
Initializing vector and matrices
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2024 Mar 02
1
Initializing vector and matrices
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2024 Mar 02
1
Initializing vector and matrices
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2024 Feb 29
1
Initializing vector and matrices
x <- numeric(0)
for (...) {
x[length(x)+1] <- ...
}
works.
You can build a matrix by building a vector one element at a time this way,
and then reshaping it at the end. That only works if you don't need it to be
a matrix at all times.
Another approach is to build a list of rows. It's not a matrix, but a list of
rows can be a *ragged* matrix with rows of varying length.
On Wed,