juniorJulia
What is indexing in Julia?
Updated May 16, 2026
Short answer
Julia uses 1-based indexing for arrays.
Deep explanation
The first element of an array is accessed using index 1, which aligns with mathematical notation.
Real-world example
Important in scientific computing where matrix indexing is common.
Common mistakes
- Assuming indexing starts at 0.
Follow-up questions
- Why does Julia use 1-based indexing?