Z^3 Array Manipulation Member Functions

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ARRAY FUNCTIONS

A listing of the Array functions are given below:

Function name Parameter

Function Name Parameters Notes
$ Function/Array of Functions Apply functions to each element of array
$$ Function/Array of Functions Apply functions to each row of array
$$$ Function/Array of Functions Apply functions to each column of array
$$F Function/Array of Functions Append results of functions to each row
$A Parameter Get attributes from an array of objects
$C Column Array to apply, Function/Array of Functions, Optional Parameters Apply a function with parameters to a column
$CELLS Row/Column Area indices and width and height to apply (l,t,w,h), Function/Array of Functions, Optional Parameters Apply a function with parameters to a cell area
$d Same as Array.$diag
$diag Apply function to the proper diagonal of an array
$dth Apply function to dth diagonal of an array
diagonal Get the nth diagonal of an array
$R Row Array to apply, Function/Array of Functions, Optional Parameters Apply a function with parameters to a row
$X SomeArray Combines two arrays using an across operation. Reverse is .X$
$x SomeArray Same as $X
$_ Mode, Functions, Parameters Apply a function to the entire array as one aggregate call
__$ Mode, Functions, Parameters Using a mode (value, valuebyrow, index etc), apply a function to the cells with parameters
ac ColCount Add columns
accumulate Total Accumulate each element with the next and give a cumulative result. Start from Total if need be.
accumulatewith CumulateFunction, CurrentResult Accumulate each element with the next using the function and give a cumulative result. Start from Total if need be.
across OtherArray, Function Apply the functions to each combination of cells in the two arrays
add Thing Add Thing to Array
addcolumn NumberOfColumns Add specified number of columns to the array
addrow NumberOfRows Add specified number of rows to the array
addsequence InFront, StartFrom, OptionalSequenceArray Add the sequence value to the specified column
adjoint Array Adjoint of the matrix
aggregate Columns,Function, Params Apply functions to columns with parameters given
slices SliceSize slices of numbers
any Count Get Count elements from the array randomly
appendfunction Function
ar Modify the array row/Column
async Iterator, CallBack
atindex List of indices Indices indicated by the parameters
atnode Function, SubtractByArray, ScaleByArray, DoNotShowIndices
backward Function, StartValue
bindcolumn
branch SomeOnlyMatches Give three arrays (one for negative, zero and positive) with false/true for each value in the array. SomeOnlyMatches if true, shows only for the items that matched the condition
branchvalues SomeOnlyMatches Give three arrays (one for negative, zero and positive) with value that matched for each value in the array. SomeOnlyMatches if true, shows only for the items that matched the condition
buckets An object with key frequency pairs.
bykey Create an object from the array with array elements bucketed by keys from a column
c Columns Extract columns from array
calci Convert array to calci
head Head of an array
cartesianproduct IsWithoutFlatten Create a cartesian product of the elements of the arrays.
cdr Tail of an array
cell Row, Column, Width, Height Cells with the specified addresses
cells Row, Column, Width, Height Cells with the specified addresses. Same as cell
checktype TypeArray, ForceCheckOnVariables Check if elements are of the type/typearray mentioned
chunks ChunkSize Chunks of size from array. pieces gives pieces of size starting with each element which is different
ci Apply a function to column indices (same as Array.__$ in "ic" mode)
clean Expression, ReplaceWith Remove the items that match Expression and replace with ReplaceWith if provided
clear FillWith Clear array and fill with FillWith if provided
clearcopy FillWith Clear each element in a copy of the array
clearrepeats
clone Clone an array
colconcat Concat columns
colcount Column Count
collect Takes matches at element level
collectasvector Takes matches at top level
collectwhile Takes matches at element level while true
collectwhileasvector Takes matches at top level while true
column SomeColumns Extract columns
columnconcat AnotherArray Concat two arrays by column
columns SomeColumns Extract columns
compare
concatall LimitArray, IncludeEdges
converge Function, NumberOfIterations, Accuracy, Converge
copy Make a copy of the array
core
count FirstLevelOnly
crosstab RowSet, ColSet,PageSet,DataSet
cube
cumcolumn Cumulate column(s)
cumcolumns Cumulate column(s)
cumcolumnswith Cumulate column(s) with a function
cumcolumnwith Cumulate column(s) with a function
cumrow Cumulate row(s)
cumrows Cumulate row(s)
cumrowswith Cumulate row(s) with a function
cumrowwith Cumulate row(s) with a function
cumulate Cumulate elements with NUMSUM
data
dc Which Delete columns specified
deal Within, ManyInEach Generates Random Numbers
deepcopy Deep copy of an array
deletecolumn Which Delete a specified or last column
deleterow Which Delete a specified or last row
det Array Determinant of an array
determinant Array Determinant of an array
dim Dimensions Create a new array with the dimensions given
div Thing Divide Thing to Array
divide Thing Integer Divide Thing to Array
dr Which Delete a specified or last row
drop
dropwhile Drops elements that do not match at element level
dropwhileasvector Drops matches at top level
eighteenth SomeCount Pick the SomeCount of items from eighteenth position
eighth SomeCount Pick the SomeCount of items from eigth position
eleventh SomeCount Pick the SomeCount of items from eleventh position
equal Array, CheckLength, StartFrom Comparing the each value in the array and gives true/false.
equalvalues Array, CheckLength, StartFrom Comparison of set of arrays with its length and values without considering its order
eval Execute each element of the array as code
except Indices Extract the elements at indices mentioned
exec Parameters Execute each element of the array as a function with given parameters
explode StartIndex, By, RecurseTillLevel Explode each element into a sequence from start Index
extract
few Pick a few elements from the array randomly
fifteenth SomeCount Pick the SomeCount of items from fifteenth position
fifth SomeCount Pick the SomeCount of items from fifth position
fillwith Numbers Fill the array with numbers provided. Repeat the numbers if fewer than size specified
filtermatches MatchIdenticalMatrix, OnlyMatches
filteroncolumn Condition, ExtractColumns, FilterOnColumn ExtractColumns are the columns that are extracted, and filters are applied on FilterOnColumn where condition is satisfied
filteroncondition TakeDropOrAllFlag, Function, Parameter Apply a function to an array with parameters, and return list that matched/not matched/all
filteronrow Condition, ExtractRows, FilterOnRow ExtractRows are the rows that are extracted, and filters are applied on FilterOnRow where condition is satisfied
findcellref Values
first SomeCount Pick the SomeCount of items from first position
firstelement SomeCount Pick the element from first position
firsthalf First half of the array
fixat Index, Fix
fjoin HeadLength, JoinString
flatten Flatten the array to a single dimension
flip IncludeHeader Same as transpose
flipparts Switch first and second half of an array
fold AtFoldValue, AtReverseFoldValue
foldl Function, StartSeed Apply a function cumulatively to left
foldr Function, StartSeed Apply a function cumulatively to right
forward Function, StartValue
fourteenth SomeCount Pick the SomeCount of items from fourteenth position
fourth SomeCount Pick the SomeCount of items from fourth position
fourths Split array in four pieces
funcjoin HeadLength, FindString, FirstString, MidString, LastString
gettype
graph Mode
graphin
half Give two halves of the array
halves Same as half
head Head of the array (Same as Array.car)
headings
hundredth SomeCount Pick the SomeCount of items from hundredth position
i PreviousArray Indices in an array, concatenated to the PreviousArray if provided
ic Functions Apply functions to the column indices
ids Get ids of all objects in an array of objects if present
implode RecurseTillLevel
inc
include
indices Function, SubtractByArray, ScaleByArray, DoNotShowIndices, RowArray
injoin JoinWith
inner InnerSize Give inner elements.
insert Value, AfterLastFlag
insertcolumn Index, NumberOfColumns
insertrow Index, NumberOfRows
inverse Array
ir
is Thing, IsNot
is1d Check if there is One dimension
is2d Check if there is Two dimension
isFalse Check if there is any False
isfalse Check if there is any False
islikelytype
isnotnull
isnull
isTrue Check everything is true
istrue Check everything is true
istype
j
joincolumnswith ArrayOfJoinCharacters, IsRepeat
joinrowswith ArrayOfJoinCharacters, IsRepeat
joinwith
jq
keep
last Count Get Count elements from the Last element
lastelement Count
list
lookup
make
make1to2d ReplaceOriginal
makecore
makekeyarray Recursive
maplist fun
mapper Function Same as $
maprow Function Same as $$
mask
match Expression
matchcolumn Expression, Column
matchindex Expression, IndexThenFromMatch
matchrow Expression, Row
matchvalue Expression, IndexThenFromMatch
merge OtherArray, Function
mergecolumns OtherArray
mergeio
mergerows
mid From, Count Pick Count elements from From location onwards
millionth SomeCount Pick the SomeCount of items from millionth position
mod Thing Mod Thing to Array
multiply Thing Multiply Thing to Array
nicejoin JoinString, EndString, SubArrayString
nineteenth SomeCount Pick the SomeCount of items from nineteenth position
nineth SomeCount Pick the SomeCount of items from nineth position
nodeindex
notinclude Item
notwithinlimits LimitArray, IncludeEdges
nth Nth, Count Pick the SomeCount of items from nth position
ntimes Function, NumberOfIterations, Accuracy, Converge
nullifyobjects Recursive
numbers ForceCheckOnVariables
o
objects
of
op Op with another number using units (Supported Operators %, <, >, <=, >=, ==, !=,===, FEQ Floating Equals)
otherthan ArrayWithElementsToExclude The elements except the specified elements.
outer OuterSize Outer 2 elements.
pack Remove consecutive duplicates and compact the array.
pad Length, PadString
pair Value, OnRight
pairmatch AtFoldValue, AtReverseFoldValue, StartFrom
partitiononcondition TakeDropOrAllFlag, Function, Parameter
parts NumberOfParts, SpecificPart
pastefolds MidOnly
pick PickMaskArray
pieces Width, Function
pip Push and Insert into subarrays at pathindices given
pipall Push and Insert for all elements from index provided
pipallwithslice pipall with slices marked for later unpipping
plot
prefix Add a prefix to every element in an array
primitives
print Print an array as a text string
printf
r
rand
random Base,Numbers
raw Returns pure array without headers, input, input headers, and data indices information.
remove
removeByVal Value
removeindices
removewith
repeatntimes Function, NumberOfIterations, Accuracy, Converge
replace ExpressionArrayOrValues, ReplaceWith
replicate Count
rest Start, Count
result
reverselevel Level
reversepip SomeExceptIndexUpto, SomeMarkSliced Push and Insert for all elements from index provided in reverse
reversesort Function
ri Apply a function to row indices (same as Array.__$ in "ir" mode)
rotate NumberOfSteps Rotate an array NumberOfSteps times
rotatecolumns NumberOfSteps
rotaterows NumberOfSteps
row
rowconcat OtherArray Concat two arrays by row
rowcount Count of rows
rowlengths Function
rowpush OtherArray
rows
rslice
second SomeCount Pick the SomeCount of items from second position
secondhalf Get second half of the array
seq StartIndex, By
set
setaxis Axis, ColumnValues
setcolumn Column, ColumnValues
setheadings
setrow Row, Array
setunit
seventeenth SomeCount Pick the SomeCount of items from seventeenth position
seventh SomeCount Pick the SomeCount of items from seventh position
shiftlevel Level, NumberOfTimes
shuffle
sixteenth SomeCount Pick the SomeCount of items from sixteenth position
sixth SomeCount Pick the SomeCount of items from sixth position
size
size2d
slices SliceExpression
slides
some
sortrecursively
sortwith
sortbykey
specialprint Trimmed,TabLevel
spliteach SplitExpression, RetainSplitterAlsoInResult
splitwhile
splitwhileasvector
stringlist
subtract Thing Subtract Thing to Array
suchthat Filter an array with a condition (same as filteroncondition)
suchthatasvector Filter an array with a condition (same as filteroncondition) at top array level
suffix Add a suffix to every element in an array
t IncludeHeader Transpose an array
table Convert array to an html table
tablelookup RowValueMatch, ColumnValueMatch
tail
takewhile Takes matches at every element
takewhileasvector Takes matches at top level
tenth SomeCount Pick the SomeCount of items from tenth position
third SomeCount Pick the SomeCount of items from third position
thirds Split array in three pieces
thirteenth SomeCount Pick the SomeCount of items from thirteenth position
thousandth SomeCount Pick the SomeCount of items from thousandth position
tofunctions
transpose IncludeHeader Transpose an array
truefalse IsCheckTrueFunctionList, IsCheckFalseFunctionList, DoFlattenFirst
twelfth SomeCount Pick the SomeCount of items from twelfth position
twentieth SomeCount Pick the SomeCount of items from twentieth position
twod
type
uncrosstab UptoColumn
unimplode RecurseTillLevel
unimplodeleaf
unitsof
unwrapleaf
unzip
value Function
where Term
withinlimits LimitArray, IncludeEdges
withouttail
X$ SomeArray Combines two arrays using an across operation in reverse. Opposite of .$X
x$ FunctionArray, OffsetArray, ScaleArray, GiveIndicesAlso,DoCentering Apply a function array to the array, with offsets and scales applied, with indices or centering as requested
xy Apply a function array to the array, with offsets and scales applied, with indices
xypanel FunctionArray, OffsetArray, ScaleArray, GiveIndicesAlso Apply a function array to the array, with offsets and scales applied, with indices, centered by default at 0. Useful to create contour panels with inputs to apply functions on.
z3
zero ValueInstead, PreserveStructure Zero or replace values in an array
zip OtherArray Combine two arrays into one zipped array
ZJSON