# SensitivityAlgorithm Command
-
The most general command is the following, which computes the response
sensitivity at each time/load step, after the response has converged.
```tcl
sensitivityAlgorithm -computeAtEachStep
```
-
In those cases in which the sensitivity computation does not need to be
performed at each step (e.g., for linear elastic systems : subjected to
static pushover analysis), the sensitivity computation may be performed
only at the time/load steps required by
-
user:
```tcl
sensitivityAlgorithm -computeByCommand
```
-
However, before using the ‘-computeByCommand’ option, it is the user’s
responsibility to make sure that the response sensitivities computation
is not needed at each time/load step. For example, in case of
incremental nonlinear FE analysis or dynamic analysis, using the
‘-computeByCommand’ option will produce wrong sensitivity results.