Whatsnew added

DPeterK · DPeterK · commit 35625602ce14 · 2018-01-18T14:56:56.000Z
diff --git a/docs/iris/src/whatsnew/contributions_2.1/newfeature_2018-Jan-18_trajectory-interpolate.txt b/docs/iris/src/whatsnew/contributions_2.1/newfeature_2018-Jan-18_trajectory-interpolate.txt
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+* Added :meth:`iris.analysis.trajectory.interpolate` that allows you interpolate to find values along a trajectory.

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	`1`	+* Added :meth:`iris.analysis.trajectory.interpolate` that allows you interpolate to find values along a trajectory.