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Orekit
Orekit
Commits
e74b8a59
Commit
e74b8a59
authored
Dec 13, 2021
by
Luc Maisonobe
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Typos.
parent
6c2266ae
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1
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src/main/java/org/orekit/propagation/TriggerDateJacobianColumnGenerator.java
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e74b8a59
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@@ -27,7 +27,7 @@ import org.orekit.forces.maneuvers.trigger.ManeuverTriggersResetter;
/** Generator for one column of a Jacobian matrix for special case of trigger dates.
* <p>
* Typical use cases for this are estimation of maneuver start and stop date during
* either orbit determination or maneuver optimi
s
ation.
* either orbit determination or maneuver optimi
z
ation.
* </p>
* <p>
* Let \((t_0, y_0)\) be the state at propagation start, \((t_1, y_1)\) be the state at
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@@ -49,7 +49,7 @@ import org.orekit.forces.maneuvers.trigger.ManeuverTriggersResetter;
* respect to intermediate time \(t_1\):
* \[\frac{\partial y_t}{\partial y_0} = \frac{\partial y_t}{\partial y_1} \frac{\partial y_1}{\partial y_0}\]
* We deduce
* \[\frac{\partial y_t}{\partial y_1} = \frac{\partial y_t}{\partial y_0} \left(\frac{\partial y_1}{\partial y_0}\right)^{-1}\]
.
* \[\frac{\partial y_t}{\partial y_1} = \frac{\partial y_t}{\partial y_0} \left(\frac{\partial y_1}{\partial y_0}\right)^{-1}\]
* </p>
* <p>
* The Jacobian column can therefore be computed using the following closed-form expression:
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@@ -62,7 +62,7 @@ import org.orekit.forces.maneuvers.trigger.ManeuverTriggersResetter;
* <p>
* As the column is generated using a closed-form expression, this generator implements
* the {@link AdditionalStateProvider} interface and stores the column directly
* in the pr
em
iary state during propagation.
* in the pri
m
ary state during propagation.
* </p>
* <p>
* The implementation takes care to <em>not</em> resetting anything at propagation start.
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