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Functions
Extract
Extract
Available
Extracts parts at specified positions.
Forms
Extract[expr, pos]
Extract[expr, {pos1, pos2, …}]
Extract[expr, pos, h]
Extract[pos]
Verified examples
Extract[{a, b, c, d}, 2] → b
Extract[{a, {b1, b2, b3}, c, d}, {2, 3}] → b3
Extract[Hold[1 + 2, 3 + 4], {2}] → 7
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Topics
Elements Of Lists
- Finding Sublists
Evaluation Control
- Manipulating Unevaluated Expressions
Function Composition And Operator Forms
- Functions with Operator Forms
List Manipulation
- Elements of Lists »
Parts Of Expressions
- General
Parts Of Matrices
- Symbolic Matrices
Related
Part
Take
PadLeft
ReplacePart
Pick
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Append
Cases
Delete
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← ExternalValue
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