Re: [commons-math] 01/02: Update ode.xml

[Alex Herbert <al...@gmail.com>]

> On 27 Sep 2019, at 16:44, erans@apache.org wrote:
> 
> This is an automated email from the ASF dual-hosted git repository.
> 
> erans pushed a commit to branch master
> in repository https://gitbox.apache.org/repos/asf/commons-math.git
> 
> commit 09f8e50dc884072119de94fd7c1614c6528a4ded
> Author: Matty G <me...@gmail.com>
> AuthorDate: Fri Sep 27 08:10:57 2019 -0700
> 
>    Update ode.xml
> ---
> src/site/xdoc/userguide/ode.xml | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/src/site/xdoc/userguide/ode.xml b/src/site/xdoc/userguide/ode.xml
> index 4d20b1f..1153bd7 100644
> --- a/src/site/xdoc/userguide/ode.xml
> +++ b/src/site/xdoc/userguide/ode.xml
> @@ -86,7 +86,7 @@
>           The user should describe his problem in his own classes which should implement the
>           <a href="../apidocs/org/apache/commons/math4/ode/FirstOrderDifferentialEquations.html">FirstOrderDifferentialEquations</a>
>           interface (or  <a href="../apidocs/org/apache/commons/math4/ode/FirstOrderFieldDifferentialEquations.html">FirstOrderFieldDifferentialEquations</a>
> -          interface). Then he should pass it to the integrator he prefers among all the classes that implement
> +          interface). Then they should pass it to the integrator they prefer among all the classes that implement
>           the <a href="../apidocs/org/apache/commons/math4/ode/FirstOrderIntegrator.html">FirstOrderIntegrator</a>
>           interface (or the <a href="../apidocs/org/apache/commons/math4/ode/FirstOrderFieldIntegrator.html">FirstOrderFieldIntegrator</a>
>           interface). The following example shows how to implement the simple two-dimensional problem using double primitives:
> @@ -190,7 +190,7 @@ integrator.addStepHandler(stepHandler);
>           class can be used to convert the variable stepsize into a fixed stepsize that can be handled by classes
>           implementing the <a href="../apidocs/org/apache/commons/math4/ode/sampling/FixedStepHandler.html">FixedStepHandler</a>
>           interface. Adaptive stepsize integrators can automatically compute the initial stepsize by themselves,
> -          however the user can specify it if he prefers to retain full control over the integration or if the
> +          however the user can specify it if they prefers to retain full control over the integration or if the

‘they prefer'

>           automatic guess is wrong.
>         </p>
>       </subsection>
> @@ -308,7 +308,7 @@ public int eventOccurred(double t, double[] y, boolean increasing) {
>         <p>
>           If in addition to state y(t) the user needs to compute the sensitivity of the final state with respect to
>           the initial state (dy/dy<sub>0</sub>) or the sensitivity of the final state with respect to some parameters
> -          of the ODE (dy/dp<sub>k</sub>), he needs to register the variational equations as a set of secondary equations
> +          of the ODE (dy/dp<sub>k</sub>), they need to register the variational equations as a set of secondary equations
>           appended to the main state before the integration starts. Then the integration will propagate the compound
>           state composed of both the main state and its partial derivatives. At the end of the integration, the Jacobian
>           matrices are extracted from the integrated secondary state. The <a
> @@ -359,7 +359,7 @@ public int eventOccurred(double t, double[] y, boolean increasing) {
>           The parameters are identified by a name (a simple user defined string), which are also specified at <a
>           href="../apidocs/org/apache/commons/math4/ode/JacobianMatrices.html">JacobianMatrices</a> class construction. If the ODE
>           is simple enough that the user can implement df(t, y, p)/dp<sub>k</sub> directly for some of the parameters p<sub>k</sub>,
> -          then he can provide one or more classes implementing the <a
> +          then they can provide one or more classes implementing the <a
>           href="../apidocs/org/apache/commons/math4/ode/ParameterJacobianProvider.html">ParameterJacobianProvider</a> interface by
>           calling the JacobianMatrices.addParameterJacobianProvide method. The parameters are handled one at a time, but all the calls to
>           ParameterJacobianProvider.computeParameterJacobian will be grouped in one sequence after the call to MainStateJacobianProvider.computeMainStateJacobian
> 


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