MAX(MIN(A,B),C)
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MAX(MIN(A,B),C)

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Article summary

DMath: MAX(MIN(A,B),C)

Calculates the minimum of (A or B) then returns the maximum of the selected value or C

Purpose

Use this function to:
  • Compare value C to whichever is lower out of A or B
  • First find the minimum of 2 values, and then compare that minimum with a third value to find the maximum

Return Value

PropertyValue
FieldTypeDouble
FieldSizeLow / Med / High / Continuous
DataTypeDiscrete / Continuous
DataSizeShort / Integer / LongInteger / Double
Example Return Value: X*.XXXXXX....-X*.XXXXX

e.g.  21.000000, 98754654.123456, -5.000000, -654.320000


Parameters

ParameterJSONDescription
Table“targetTable”: “MyTableName”The target table on which the new field will be created
Filter“dataset”: {DataSet_JSON}Optional.   If a filter is applied, records not in the filter recordset will be returned as null.
Math Function“p1”: “Max(Min(A,B),C)”Max(Min(A,B),C)
A“p2”: “NumericFieldName”
“p2”: “#N*.N*”
Required. Numerical input for A.   Compared with B to select minimum.
Supports:  
  • DataType: Discrete / Continuous
  • Field Type: Integer, Double
  • Fixed Value:  #N*    e.g. #201596,    #-87
  • Fixed Value: #N*.N* e.g. #201596.05,    #-87.98
B“p3”: “NumericFieldName”
“p3”: “#N*.N*”
Required. Numerical input for B.  Compared with A to select minimum.
Supports:  
  • DataType: Discrete / Continuous
  • Field Type: Integer, Double
  • Fixed Value:  #N*    e.g. #201596,    #-87
  • Fixed Value: #N*.N* e.g. #201596.05,    #-87.98
C“p4”: “NumericFieldName”
“p4”: “#N*.N*”
Required. Numerical input for C.  Compared with whichever is the minimum of A or B to select maximum.
Supports:  
  • DataType: Discrete / Continuous
  • Field Type: Integer, Double
  • Fixed Value:  #N*    e.g. #201596,    #-87
  • Fixed Value: #N*.N* e.g. #201596.05,    #-87.98
Treat Null as Zero"nullIsZero": true
"nullIsZero": false

True/False.
Default = False
If true, then any null values in the input fields will be treated as if they have a value of 0.
If false, then if any of A, B or C is Null, then a Null will be returned.

JSON Sample


Usage Notes

See Also:   

  • DMATH Overview
  • Mathematical Expression Field
  • MAX(A,B)   (DMATH)
  • MIN(A,B)    (DMATH)
  • MAX(MIN(A,B),C)  (LMATH)

Example

ExampleDetails
DescriptionMaximum of input C and whichever is the lower of A or B
Input
  • Table: = [customer]
  • Filter: = [No Filter]
  • Function: = DMath
  • Math Function = MAX(MIN(A,B),C)
  • A:= [customer ].[Input_A]
  • B:= [customer ].[Input_B]
  • C:= [customer ].[Input_C]
  • Name: = MaxMinABC
Sample





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