scalanlp/breeze

Lazy Matrix/Vector implementations

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#310 opened on Sep 5, 2014

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Description

This may stem from my lack of knowledge on how breeze works. I was wondering if you have support for lazy operations that only happen when needed.

Something like val a = Matrix.rand(3,3) val b = Matrix.rand(3,3)

val c = a + b where c is a LazyMatrix represented by a, b and the operation +

Contributor guide

Research direction
Investigate whether Breeze already supports lazy matrix/vector operations. If not, study Breeze's architecture to design lazy evaluation for arithmetic operations.
Tech stack
scala
Domain
backend
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Stale
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
ScalaGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60