Dear ODK Community:

Kind regards,

I want use math exponential function in a form. I tried to calculate a

variable with the exponential function in a xlsform survey using math

expressions: math:exp(${variable}) or exp(${variable}), at which the

following error occurs:

Error: Errors Validate ODK:

Error Evaluating field 'test': The problem was located in calculate

expression for ${test}

XPath evaluation: can not handle function 'math: exp'

Error Evaluating field 'test': The problem was located in calculate

expression for ${test}

XPath evaluation: can not handle function 'math:exp'

Caused by: org.javarosa.xpath.XPath Unhandled Exception: The problem was

located in calculate expression for ${test}

XPath evaluation: can not handle function 'math: exp'

... 14 more

I appreciate your help to find out how I can use this function.

Mauricio Arciniegas

Hi Mauricio,

That code isn't supported yet in ODK Collect. The pull request to add

it is in review.

https://bitbucket.org/m.sundt/javarosa/pull-requests/9

Yaw

## ···

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in-field training, and software development for ODK. Go to
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On Sun, Apr 17, 2016 at 9:00 PM, Mauricio Andrés Arciniegas Alvarez maarciniegasa@gmail.com wrote:

Dear ODK Community:

Kind regards,

I want use math exponential function in a form. I tried to calculate a

variable with the exponential function in a xlsform survey using math

expressions: math:exp(${variable}) or exp(${variable}), at which the

following error occurs:

Error: Errors Validate ODK:

Error Evaluating field 'test': The problem was located in calculate

expression for ${test}

XPath evaluation: can not handle function 'math: exp'

Error Evaluating field 'test': The problem was located in calculate

expression for ${test}

XPath evaluation: can not handle function 'math:exp'

Caused by: org.javarosa.xpath.XPath Unhandled Exception: The problem was

located in calculate expression for ${test}

XPath evaluation: can not handle function 'math: exp'

... 14 more

I appreciate your help to find out how I can use this function.

Mauricio Arciniegas

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This will be in the 1.4.9 release (out soon)

## ···

On Fri, Apr 22, 2016 at 7:39 AM, Mauricio Andrés Arciniegas Alvarez < maarciniegasa@gmail.com> wrote:
Thanks Yaw

El lun., 18 de abr. de 2016 a la(s) 07:33, Yaw Anokwa yanokwa@nafundi.com escribió:

Hi Mauricio,

That code isn't supported yet in ODK Collect. The pull request to add

it is in review.

https://bitbucket.org/m.sundt/javarosa/pull-requests/9

## Yaw

Need ODK consultants? Nafundi provides form design, server setup,

in-field training, and software development for ODK. Go to

https://nafundi.com to get started.

On Sun, Apr 17, 2016 at 9:00 PM, Mauricio Andrés Arciniegas Alvarez maarciniegasa@gmail.com wrote:

Dear ODK Community:

Kind regards,

I want use math exponential function in a form. I tried to calculate a

variable with the exponential function in a xlsform survey using math

expressions: math:exp(${variable}) or exp(${variable}), at which the

following error occurs:

Error: Errors Validate ODK:

Error Evaluating field 'test': The problem was located in calculate

expression for ${test}

XPath evaluation: can not handle function 'math: exp'

Error Evaluating field 'test': The problem was located in calculate

expression for ${test}

XPath evaluation: can not handle function 'math:exp'

Caused by: org.javarosa.xpath.XPath Unhandled Exception: The problem was

located in calculate expression for ${test}

XPath evaluation: can not handle function 'math: exp'

... 14 more

I appreciate your help to find out how I can use this function.

Mauricio Arciniegas

## --

Post: opendatakit@googlegroups.com

Unsubscribe: opendatakit+unsubscribe@googlegroups.com

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Mitch Sundt

Software Engineer

University of Washington

mitchellsundt@gmail.com