# Help with using the Plots package

**URL:** <https://discourse.julialang.org/t/help-with-using-the-plots-package/57036>\
**Category:** Visualization\
**Tags:** question\
**Created:** [March 12, 2021, 6:29pm UTC](https://discourse.julialang.org/t/help-with-using-the-plots-package/57036 "2021-03-12T18:29:52Z")\
**Posts on this page:** 3\
**Page:** 2

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**Author:** ![rafael.guerra](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/rafael.guerra/32/216610_2.png) [@rafael.guerra](https://discourse.julialang.org/u/rafael.guerra)\
**Post date:** [March 16, 2021, 5:38pm UTC](https://discourse.julialang.org/t/help-with-using-the-plots-package/57036/22 "2021-03-16T17:38:17Z")

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Then one can do:

```julia
Y = r+o+s
plot(x,Y) # row-wise
plot(x,Y') # column-wise

```

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<div class="post-metadata">

**Author:** ![RaquelSantos](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/raquelsantos/32/3668_2.png) [@RaquelSantos](https://discourse.julialang.org/u/RaquelSantos)\
**Post date:** [March 16, 2021, 6:48pm UTC](https://discourse.julialang.org/t/help-with-using-the-plots-package/57036/23 "2021-03-16T18:48:01Z")

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Hi @Jeff_Emanuel , thanks for the help  
Can you explain the function of this getvalue: `getvalue(u) = u` ?

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<div class="post-metadata">

**Author:** ![Jeff\_Emanuel](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jeff_emanuel/32/15440_2.png) [@Jeff\_Emanuel](https://discourse.julialang.org/u/Jeff_Emanuel)\
**Post date:** [March 16, 2021, 6:55pm UTC](https://discourse.julialang.org/t/help-with-using-the-plots-package/57036/24 "2021-03-16T18:55:10Z")

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That’s just a placeholder for your real getvalue function you mentioned in the post saying you couldn’t make a loop work. It merely returns its argument.

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