Wolfram: List. Filter
Filter by Function
Select-
Select[ expr, function ]→ Get elements by a filter functionSelect[ expr, function, n ]→ return first n items.
Select[ {3,4,5,6}, EvenQ ] (* {4, 6} *) Select[ {{3}, {0, 23}, {9}, {4,5,6}}, Function[ Length[#] === 2 ] ] (* {{0, 23}} *)
Filter by Pattern
Wolfram. List Operations, and Loop, Iteration, Recursion
- Wolfram: List Operations
- Wolfram: List. Create (Table)
- Wolfram: Create Flat List (Range)
- Wolfram: List. Get Parts
- Wolfram: List. Add Element
- Wolfram: List. Delete Element
- Wolfram: List. Change Element
- Wolfram: List. Check Exist
- Wolfram: List. Join, Union, Intersection, Difference
- Wolfram: List. Min, Max
- Wolfram: List. Filter
- Wolfram: List. Sort Reverse Ordering
- Wolfram: Flatten
- Wolfram: Riffle (Add at Every Nth)
- Wolfram: RotateLeft
- Wolfram: Padding
- Wolfram: List. Partition, Reshape, Split, Gather
- Wolfram: Transpose
- Wolfram: List. Same Items Counts, Tally, Group
- Wolfram: List. Combinatorics
- Wolfram: Iteration
- Wolfram: Map Function to List
- Wolfram: Scan (foreach)
- Wolfram: Recursion
- Wolfram: Fold (reduce)
- Wolfram: Loop