# About triu error in time code

**URL:** <https://discourse.julialang.org/t/about-triu-error-in-time-code/92383>\
**Category:** General Usage\
**Created:** [January 1, 2023, 2:24pm UTC](https://discourse.julialang.org/t/about-triu-error-in-time-code/92383 "2023-01-01T14:24:01Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![naznaila](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/naznaila/32/43729_2.png) [@naznaila](https://discourse.julialang.org/u/naznaila)\
**Post date:** [January 1, 2023, 2:24pm UTC](https://discourse.julialang.org/t/about-triu-error-in-time-code/92383/1 "2023-01-01T14:24:01Z")

</div>

UndefVarError: triu not defined

Stacktrace:  
[1] GMRES\_NoRestart(n::Int64)  
@ Main .\In[2]:5  
[2] macro expansion  
@ .\In[3]:2 [inlined]  
[3] top-level scope  
@ .\timing.jl:262 [inlined]  
[4] top-level scope  
@ .\In[3]:0