juniorNumPy
What is np.zeros in NumPy?
Updated May 17, 2026
Short answer
np.zeros creates an array filled with zeros.
Deep explanation
It initializes arrays with a given shape and dtype, useful for placeholders and initialization.
Real-world example
Initializing weight matrices in ML models.
Common mistakes
- Forgetting shape must be a tuple.
Follow-up questions
- Difference between zeros and empty?
- Can dtype be specified?