# \`inmin\` and \`inmax\` not defined
**URL:** https://discourse.julialang.org/t/inmin-and-inmax-not-defined/27175
**Category:** General Usage
**Created:** [August 5, 2019, 1:59pm UTC](https://discourse.julialang.org/t/inmin-and-inmax-not-defined/27175 "2019-08-05T13:59:30Z")
**Posts on this page:** 6
**Page:** 1
### Author:  [@ryanorsinger](https://discourse.julialang.org/u/ryanorsinger)
#### Post date: [August 5, 2019, 1:59pm UTC](https://discourse.julialang.org/t/inmin-and-inmax-not-defined/27175/1 "2019-08-05T13:59:30Z")
Good day!
I’m working though “Julia for Data Science” by Voulgaris, and in Chapter 2, the global functions `inmin` and `inmax` are not defined. Because the book is written in Julia 0.4. I searched [https://docs.julialang.org/en/v0.4/](https://docs.julialang.org/en/v0.4/), [https://github.com/JuliaLang/julia/issues](https://github.com/JuliaLang/julia/issues), and this forum, but did not find any references. Similar searches on google do not yield any useful results.
Does anyone know if `inmax` and `inmax` functions changed names or if they moved into a package? I appreciate any guidance I can find on what they do and where to find their replacements.
Onward and upward,
Ryan Orsinger
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### Author:  [@Zach\_Christensen](https://discourse.julialang.org/u/Zach_Christensen)
#### Post date: [August 5, 2019, 2:14pm UTC](https://discourse.julialang.org/t/inmin-and-inmax-not-defined/27175/2 "2019-08-05T14:14:44Z")
Just for reference, if you’re using a text with any pre v1.0 and the function is missing in recent release you can use v0.7. It gives deprecation warnings for this stuff.
Is it possible that it’s a typo for `minmax`
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### Author:  [@ryanorsinger](https://discourse.julialang.org/u/ryanorsinger)
#### Post date: [August 5, 2019, 2:16pm UTC](https://discourse.julialang.org/t/inmin-and-inmax-not-defined/27175/3 "2019-08-05T14:16:31Z")
Thank you for sharing your advice and suggestion!
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### Author:  [@cchderrick](https://discourse.julialang.org/u/cchderrick)
#### Post date: [August 5, 2019, 3:41pm UTC](https://discourse.julialang.org/t/inmin-and-inmax-not-defined/27175/4 "2019-08-05T15:41:41Z")
Just from the Google Books preview, it looks like the author used `inmin` and `inmax` to find index of minimum and maximum values, so you would `argmin` and `argmax` to do in in v0.7.0+
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### Author:  [@DNF](https://discourse.julialang.org/u/DNF)
#### Post date: [August 5, 2019, 3:51pm UTC](https://discourse.julialang.org/t/inmin-and-inmax-not-defined/27175/5 "2019-08-05T15:51:10Z")
Perhaps those are typos, and are meant to be `indmin` and `indmax`. They have been replaced by `argmin` and `argmax`.
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### Author:  [@ryanorsinger](https://discourse.julialang.org/u/ryanorsinger)
#### Post date: [August 5, 2019, 11:31pm UTC](https://discourse.julialang.org/t/inmin-and-inmax-not-defined/27175/6 "2019-08-05T23:31:16Z")
Thanks, ya’ll! I appreciate the assistance!