• Extreme Optimization
  • Features
  • Solutions
  • Documentation
  • QuickStart Samples
  • Sample Applications
  • Downloads
  • Technical Support
  • Download trial
  • How to buy
  • Blog
  • Company
  • Resources
• Documentation
  • Introduction
  • Deployment Guide
  • Configuration
  • Using Parallelism
  • Mathematics Library User's Guide
  • Vector and Matrix Library User's Guide
  • Data Analysis Library User's Guide
  • Statistics Library User's Guide
  • Data Access Library User's Guide
  • Reference
• Reference
  • Extreme
  • Extreme.Collections
  • Extreme.Data
  • Extreme.Data.Json
  • Extreme.Data.Matlab
  • Extreme.Data.R
  • Extreme.Data.Stata
  • Extreme.Data.Text
  • Extreme.DataAnalysis
  • Extreme.DataAnalysis.Linq
  • Extreme.Mathematics
  • Extreme.Mathematics.Algorithms
  • Extreme.Mathematics.Calculus
  • Extreme.Mathematics.Calculus.OrdinaryDifferentialEquations
  • Extreme.Mathematics.Curves
  • Extreme.Mathematics.Curves.Nonlinear
  • Extreme.Mathematics.Distributed
  • Extreme.Mathematics.Distributed.Cuda
  • Extreme.Mathematics.EquationSolvers
  • Extreme.Mathematics.FSharp
  • Extreme.Mathematics.Generic
  • Extreme.Mathematics.Generic.LinearAlgebra
  • Extreme.Mathematics.Generic.LinearAlgebra.Implementation
  • Extreme.Mathematics.Generic.LinearAlgebra.Providers
  • Extreme.Mathematics.Generic.SignalProcessing
  • Extreme.Mathematics.Implementation
  • Extreme.Mathematics.LinearAlgebra
  • Extreme.Mathematics.LinearAlgebra.Complex
  • Extreme.Mathematics.LinearAlgebra.Complex.Decompositions
  • Extreme.Mathematics.LinearAlgebra.Implementation
  • Extreme.Mathematics.LinearAlgebra.IO
  • Extreme.Mathematics.LinearAlgebra.IterativeSolvers
  • Extreme.Mathematics.LinearAlgebra.IterativeSolvers.Preconditioners
  • Extreme.Mathematics.LinearAlgebra.Providers
  • Extreme.Mathematics.LinearAlgebra.Sparse
  • Extreme.Mathematics.Optimization
  • Extreme.Mathematics.Optimization.Genetic
  • Extreme.Mathematics.Optimization.LineSearches
  • Extreme.Mathematics.Random
  • Extreme.Mathematics.SignalProcessing
  • Extreme.Numerics.FSharp
  • Extreme.Statistics
  • Extreme.Statistics.Distributions
  • Extreme.Statistics.IO
  • Extreme.Statistics.Linq
  • Extreme.Statistics.Multivariate
  • Extreme.Statistics.Random
  • Extreme.Statistics.Tests
  • Extreme.Statistics.TimeSeriesAnalysis
• Extreme.Collections
  • Aggregator(T, U) Class
  • Aggregator2(T, U) Class
  • Aggregator2Group Class
  • Aggregator2Group(T) Class
  • AggregatorExtensions Class
  • AggregatorGroup Class
  • AggregatorGroup(T) Class
  • Aggregators Class
  • Array1D(T) Structure
  • Array2D(T) Structure
  • ArraySlice(T) Structure
  • DataFrame Class
  • DataFrame(R, C) Class
  • DataFrameRow(R, C) Class
  • DateTimeUnit Enumeration
  • Direction Enumeration
  • Grouping Class
  • Grouping(TKey) Class
  • IAccumulator(T, U) Interface
  • IAccumulator2(T, U) Interface
  • IAccumulator2(T, U, V) Interface
  • IAggregator Interface
  • IAggregator(T) Interface
  • IAggregator2 Interface
  • IAggregator2(T) Interface
  • ICategoricalVector Interface
  • IDataFrame Interface
  • IGrouping Interface
  • IIndex Interface
  • Index Class
  • Index(T) Class
  • IPivot Interface
  • IVector Interface
  • JoinType Enumeration
  • NativeArray1D(T) Structure
  • NativeArray2D(T) Structure
  • NativeArraySlice(T) Structure
  • Pivot Class
  • Pivot(R, C) Class
  • Recurrence Class
  • SortOrder Enumeration
  • TypedVectorWrapper(K, T) Structure
• Index(T) Class
  • Index(T) Constructor
  • Properties
  • Methods
• Methods
  • Append Method Overloads
  • CheckOrder Method
  • CheckUnique Method
  • Contains Method
  • CopyTo Method
  • GetEnumerator Method
  • GetSlice Method
  • GetUniqueCount Method
  • GetValue Method
  • Join Method
  • Lookup Method Overloads
  • LookupNearest Method Overloads
  • Nest(U) Method
  • Permute Method
  • Remove Method
  • RemoveAt Method
  • TryLookup Method
  • TryLookupNearest Method
• LookupNearest Method Overloads
  • LookupNearest Method (IEnumerable(T), Direction)
  • LookupNearest Method (T, Direction)

IndexTLookupNearest Method

Extreme Optimization Numerical Libraries for .NET Professional

Overload List

---

	Name	Description
	LookupNearest(IEnumerableT, Direction)	Maps a sequence of keys to the position of the nearest key in the index.
	LookupNearest(T, Direction)	Finds the key nearest to the specified value in the index.

Top

See Also

---

Reference

IndexT Class

Extreme.Collections Namespace

Copyright © 2004-2018, Extreme Optimization. All rights reserved.
Extreme Optimization, Complexity made simple, M#, and M Sharp are trademarks of ExoAnalytics Inc.
Microsoft, Visual C#, Visual Basic, Visual Studio, Visual Studio.NET, and the Optimized for Visual Studio logo
are registered trademarks of Microsoft Corporation.