# Best performance for initialising a variable number of matrices/vectors within a Crank-Nicolson scheme

**URL:** <https://discourse.julialang.org/t/best-performance-for-initialising-a-variable-number-of-matrices-vectors-within-a-crank-nicolson-scheme/113083>\
**Category:** Performance\
**Tags:** question, solver\
**Created:** [April 17, 2024, 3:47pm UTC](https://discourse.julialang.org/t/best-performance-for-initialising-a-variable-number-of-matrices-vectors-within-a-crank-nicolson-scheme/113083 "2024-04-17T15:47:37Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![stevengj](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/stevengj/32/71_2.png) [@stevengj](https://discourse.julialang.org/u/stevengj)\
**Post date:** [April 19, 2024, 12:35pm UTC](https://discourse.julialang.org/t/best-performance-for-initialising-a-variable-number-of-matrices-vectors-within-a-crank-nicolson-scheme/113083/6 "2024-04-19T12:35:57Z")

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5 posts were split to a new topic: [Why re-use factorization(A) rather than inv(A)](https://discourse.julialang.org/t/why-re-use-factorization-a-rather-than-inv-a/113234)

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_[View the full topic](https://discourse.julialang.org/t/best-performance-for-initialising-a-variable-number-of-matrices-vectors-within-a-crank-nicolson-scheme/113083)._