diff --git a/releasenotes/notes/note-for-imperfect-analysis-dc49f2c07de327f4.yaml b/releasenotes/notes/note-for-imperfect-analysis-dc49f2c07de327f4.yaml new file mode 100644 index 0000000000..2264da58b4 --- /dev/null +++ b/releasenotes/notes/note-for-imperfect-analysis-dc49f2c07de327f4.yaml @@ -0,0 +1,10 @@ +--- +issues: + - | + Curve analysis may have imperfection in the uncertainty propagation computation. + Fit paramters consist of the nominal part and standard error, however, + the correlation of these paramters are not precisely taken into account. + This sometimes result in the overestimation of the confidence interval of fit curves, + or overestimation of the standard error of some analysis values computed with + multiple fitting parameters. This issue will be solved in the version 0.3. + See [qiskit-experiments/#551](https://github.com/Qiskit/qiskit-experiments/pull/551) for details.