Generate a random number within a specific range

brindas1 over 7 years ago

Hi all,
Is there a way to generate a random number within a specific range? For example, I want to generate a random number between 60 to 90. Can I able to do it using Appian functions? Using rand() function I can able to generate a random 2, 3, 4 .... digit numbers but not within a specific range.

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Top Replies

Peter Lewis over 4 years ago in reply to mayureshs782 +1
Appian Employee

There's only one rand() function and it always returns a decimal between 0 and 1. So, you have to manipulate that number to get what you need. For example, the following would work for the scenario you…

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0 ashman over 7 years ago

Another work around
load
(
local!min:50,
local!max:100,
local!occurance:10,
local!arr1:Fixed(rand(local!occurance)*local!max,0),

local!placesToChange:where(local!arr1<local!min),
local!valuesToChange:index(local!arr1,local!placesToChange),
local!differenceToAdd:local!min-index(local!arr1,local!placesToChange),
local!updatedValues:local!min+local!valuesToChange,
local!finalAnswer:updatearray(local!arr1,local!placesToChange,local!updatedValues),

a!sectionLayout(
label: "Lorem Ipsum",
firstColumnContents: {
a!textField(
label: "minimum number",
labelPosition: "ABOVE",
value:local!min,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "maximumn number",
labelPosition: "ABOVE",
value:local!max,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Occurance",
labelPosition: "ABOVE",
value: local!occurance,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Original Random numbers",
labelPosition: "ABOVE",
value:local!arr1,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "places to change",
labelPosition: "ABOVE",
value:local!placesToChange,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "values to change",
labelPosition: "ABOVE",
value:local!valuesToChange,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Difference To add",
value:local!differenceToAdd,
labelPosition: "ABOVE",
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Updated values",
value:local!updatedValues,
labelPosition: "ABOVE",
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Final answer",
value:local!finalAnswer,
labelPosition: "ABOVE",
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
)
},

validations: {}
)
)
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0 ashman over 7 years ago

Another work around
load
(
local!min:50,
local!max:100,
local!occurance:10,
local!arr1:Fixed(rand(local!occurance)*local!max,0),

local!placesToChange:where(local!arr1<local!min),
local!valuesToChange:index(local!arr1,local!placesToChange),
local!differenceToAdd:local!min-index(local!arr1,local!placesToChange),
local!updatedValues:local!min+local!valuesToChange,
local!finalAnswer:updatearray(local!arr1,local!placesToChange,local!updatedValues),

a!sectionLayout(
label: "Lorem Ipsum",
firstColumnContents: {
a!textField(
label: "minimum number",
labelPosition: "ABOVE",
value:local!min,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "maximumn number",
labelPosition: "ABOVE",
value:local!max,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Occurance",
labelPosition: "ABOVE",
value: local!occurance,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Original Random numbers",
labelPosition: "ABOVE",
value:local!arr1,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "places to change",
labelPosition: "ABOVE",
value:local!placesToChange,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "values to change",
labelPosition: "ABOVE",
value:local!valuesToChange,
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Difference To add",
value:local!differenceToAdd,
labelPosition: "ABOVE",
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Updated values",
value:local!updatedValues,
labelPosition: "ABOVE",
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
),
a!textField(
label: "Final answer",
value:local!finalAnswer,
labelPosition: "ABOVE",
saveInto: {},
refreshAfter: "UNFOCUS",
validations: {}
)
},

validations: {}
)
)
Cancel
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