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Update vectors.qmd

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In the figure of "The difference of two vectors...", I guess it should be "b-a" instead of "a-b".
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Fang Liu
2023-04-03 08:52:42 +00:00
committed by GitHub
parent 955d052088
commit 1eb13f5188
1 changed files with 3 additions and 3 deletions
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quarto/precalc/vectors.qmd
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@@ -486,11 +486,11 @@ The `sort` function will rearrange the values in `𝒗`:
sort(𝒗) sort(𝒗)
``` ```
The keyword argument, `rev=false` can be given to get values in decreasing order: The keyword argument, `rev=true` can be given to get values in decreasing order:
```{julia} ```{julia}
sort(𝒗, rev=false) sort(𝒗, rev=true)
``` ```
For adding a new element to a vector the `push!` method can be used, as in For adding a new element to a vector the `push!` method can be used, as in
@@ -722,7 +722,7 @@ For example, here a named tuple is constructed, and then its elements referenced
```{julia} ```{julia}
nt = (one=1, two="two", three=:three) # heterogeneous values (Int, String, Symbol) nt = (one=1, two="two", three=:three) # heterogeneous values (Int, String, Symbol)
nt.one, nt[2], n[end] # named tuples have name or index access nt.one, nt[2], nt[end] # named tuples have name or index access
``` ```
## Questions ## Questions