Math Operators

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12 functions.

pta.add

Vector Arithmetic Add

pta.add(real0, real1)

TA-Lib name: ADD

Inputs

Input	Default
real0	required
real1	required

Parameters

None.

Outputs

Field	dtype
real	Float64

Example

df.select(pta.add(pl.col("close"), pl.col("open")).alias("add"))

pta.cumsum

Cumulative Sum

pta.cumsum(real=pl.col("close"))

TA-Lib name: CUMSUM

Inputs

Input	Default
real	pl.col("close")

Parameters

None.

Outputs

Field	dtype
real	Float64

Example

df.select(pta.cumsum().alias("cumsum"))

pta.div

Vector Arithmetic Div

pta.div(real0, real1)

TA-Lib name: DIV

Inputs

Input	Default
real0	required
real1	required

Parameters

None.

Outputs

Field	dtype
real	Float64

Example

df.select(pta.div(pl.col("close"), pl.col("open")).alias("div"))

pta.max

Highest value over a specified period

pta.max(real=pl.col("close"), time_period=30)

TA-Lib name: MAX

Inputs

Input	Default
real	pl.col("close")

Parameters

Parameter	TA-Lib name	Type	Default	Range / values
time_period	optInTimePeriod	int	30	2 .. 100000

Outputs

Field	dtype
real	Float64

Example

df.select(pta.max(time_period=20).alias("max"))

pta.maxindex

Index of highest value over a specified period

pta.maxindex(real=pl.col("close"), time_period=30)

TA-Lib name: MAXINDEX

Inputs

Input	Default
real	pl.col("close")

Parameters

Parameter	TA-Lib name	Type	Default	Range / values
time_period	optInTimePeriod	int	30	2 .. 100000

Outputs

Field	dtype
integer	Int32

Example

df.select(pta.maxindex(time_period=20).alias("maxindex"))

pta.min

Lowest value over a specified period

pta.min(real=pl.col("close"), time_period=30)

TA-Lib name: MIN

Inputs

Input	Default
real	pl.col("close")

Parameters

Parameter	TA-Lib name	Type	Default	Range / values
time_period	optInTimePeriod	int	30	2 .. 100000

Outputs

Field	dtype
real	Float64

Example

df.select(pta.min(time_period=20).alias("min"))

pta.minindex

Index of lowest value over a specified period

pta.minindex(real=pl.col("close"), time_period=30)

TA-Lib name: MININDEX

Inputs

Input	Default
real	pl.col("close")

Parameters

Parameter	TA-Lib name	Type	Default	Range / values
time_period	optInTimePeriod	int	30	2 .. 100000

Outputs

Field	dtype
integer	Int32

Example

df.select(pta.minindex(time_period=20).alias("minindex"))

pta.minmax

Lowest and highest values over a specified period

pta.minmax(real=pl.col("close"), time_period=30)

TA-Lib name: MINMAX

Inputs

Input	Default
real	pl.col("close")

Parameters

Parameter	TA-Lib name	Type	Default	Range / values
time_period	optInTimePeriod	int	30	2 .. 100000

Outputs

Field	dtype
min	Float64
max	Float64

Returned as a Struct.

Example

df.select(pta.minmax(time_period=20).alias("out")).unnest("out")

pta.minmaxindex

Indexes of lowest and highest values over a specified period

pta.minmaxindex(real=pl.col("close"), time_period=30)

TA-Lib name: MINMAXINDEX

Inputs

Input	Default
real	pl.col("close")

Parameters

Parameter	TA-Lib name	Type	Default	Range / values
time_period	optInTimePeriod	int	30	2 .. 100000

Outputs

Field	dtype
min_idx	Int32
max_idx	Int32

Returned as a Struct.

Example

df.select(pta.minmaxindex(time_period=20).alias("out")).unnest("out")

pta.mult

Vector Arithmetic Mult

pta.mult(real0, real1)

TA-Lib name: MULT

Inputs

Input	Default
real0	required
real1	required

Parameters

None.

Outputs

Field	dtype
real	Float64

Example

df.select(pta.mult(pl.col("close"), pl.col("open")).alias("mult"))

pta.sub

Vector Arithmetic Subtraction

pta.sub(real0, real1)

TA-Lib name: SUB

Inputs

Input	Default
real0	required
real1	required

Parameters

None.

Outputs

Field	dtype
real	Float64

Example

df.select(pta.sub(pl.col("close"), pl.col("open")).alias("sub"))

pta.sum

Summation

pta.sum(real=pl.col("close"), time_period=30)

TA-Lib name: SUM

Inputs

Input	Default
real	pl.col("close")

Parameters

Parameter	TA-Lib name	Type	Default	Range / values
time_period	optInTimePeriod	int	30	2 .. 100000

Outputs

Field	dtype
real	Float64

Example

df.select(pta.sum(time_period=20).alias("sum"))