Template:Time Derivative: Difference between revisions
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===Time Derivative=== | ===Time Derivative=== | ||
Tool to | ====Tool description==== | ||
The ''Time Derivative'' tool operates on a transient dataset. It computes the derivate (rate of change) from one time step in the dataset to the next. | |||
The resulting dataset will have ''n - 1'' time steps for the ''n'' timesteps in the input dataset. The time associated with each time step in the resulting dataset is halfway between the times used to compute that time step. | |||
The tool supports an option of just computing a raw ''change'' in value, or a ''derivative'' by dividing that change by the time difference between the two input time steps. The user chooses the unit of time to use to divide. (Note: if the time steps in the input dataset have uniform temporal spacing, the change and derivative are just scaled versions of one another.) | |||
====Input parameters==== | |||
*''Input scalar dataset'' – Select which scalar dataset in the project will be used to create the new dataset. | *''Input scalar dataset'' – Select which scalar dataset in the project will be used to create the new dataset. | ||
*''Calculation option'' – Select to use either the "Change" or "Derivative" option. | *''Calculation option'' – Select to use either the "Change" or "Derivative" option. | ||
*''Derivative time units'' – Select the time units that will be used for the new dataset. | *''Derivative time units'' – Select the time units that will be used for the new dataset. | ||
====Output parameters==== | |||
*''Output dataset'' – Enter the name for the merged dataset | *''Output dataset'' – Enter the name for the merged dataset | ||
====Current Location in toolbox==== | |||
Datasets/Time Derivative | |||
====Related Tools==== | |||
* [[Template:Merge Datasets|Merge Datasets]] | |||
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<noinclude>[[Category:Tools]]</noinclude> | <noinclude>[[Category:Tools]]</noinclude> | ||
Revision as of 18:38, 19 October 2021
Time Derivative
Tool description
The Time Derivative tool operates on a transient dataset. It computes the derivate (rate of change) from one time step in the dataset to the next. The resulting dataset will have n - 1 time steps for the n timesteps in the input dataset. The time associated with each time step in the resulting dataset is halfway between the times used to compute that time step. The tool supports an option of just computing a raw change in value, or a derivative by dividing that change by the time difference between the two input time steps. The user chooses the unit of time to use to divide. (Note: if the time steps in the input dataset have uniform temporal spacing, the change and derivative are just scaled versions of one another.)
Input parameters
- Input scalar dataset – Select which scalar dataset in the project will be used to create the new dataset.
- Calculation option – Select to use either the "Change" or "Derivative" option.
- Derivative time units – Select the time units that will be used for the new dataset.
Output parameters
- Output dataset – Enter the name for the merged dataset
Current Location in toolbox
Datasets/Time Derivative
Related Tools
