From 54eda12fb7996264dd63fe309446de7a18dedaff Mon Sep 17 00:00:00 2001
From: Michael BAUDIN <michael.baudin@gmail.com>
Date: Wed, 23 Aug 2023 00:26:06 +0200
Subject: [PATCH] Added getDesign()

---
 .../MetaModel/LinearModel/LinearModelResult.cxx  |  5 +++++
 .../LinearModel/openturns/LinearModelResult.hxx  |  1 +
 python/src/LinearModelResult_doc.i.in            | 16 ++++++++++++----
 3 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/lib/src/Uncertainty/Algorithm/MetaModel/LinearModel/LinearModelResult.cxx b/lib/src/Uncertainty/Algorithm/MetaModel/LinearModel/LinearModelResult.cxx
index 5d6548e0858..262ce199be9 100644
--- a/lib/src/Uncertainty/Algorithm/MetaModel/LinearModel/LinearModelResult.cxx
+++ b/lib/src/Uncertainty/Algorithm/MetaModel/LinearModel/LinearModelResult.cxx
@@ -130,6 +130,11 @@ Basis LinearModelResult::getBasis() const
   return basis_;
 }
 
+Matrix LinearModelResult::getDesign() const
+{
+  return design_;
+}
+
 /* Fitted sample accessor */
 Sample LinearModelResult::getFittedSample() const
 {
diff --git a/lib/src/Uncertainty/Algorithm/MetaModel/LinearModel/openturns/LinearModelResult.hxx b/lib/src/Uncertainty/Algorithm/MetaModel/LinearModel/openturns/LinearModelResult.hxx
index ef71215bea7..e3c6f57e348 100644
--- a/lib/src/Uncertainty/Algorithm/MetaModel/LinearModel/openturns/LinearModelResult.hxx
+++ b/lib/src/Uncertainty/Algorithm/MetaModel/LinearModel/openturns/LinearModelResult.hxx
@@ -71,6 +71,7 @@ public:
   /** Sample accessors */
   virtual Basis getBasis() const;
   virtual Sample getFittedSample() const;
+  virtual Matrix getDesign() const;
 
   /** Condensed formula accessor */
   virtual Point getCoefficients() const;
diff --git a/python/src/LinearModelResult_doc.i.in b/python/src/LinearModelResult_doc.i.in
index d1c42dd2400..1bfb4824aad 100644
--- a/python/src/LinearModelResult_doc.i.in
+++ b/python/src/LinearModelResult_doc.i.in
@@ -13,8 +13,8 @@ outputSample : 2-d sequence of float
    The output sample of a model.
 metaModel : :class:`~openturns.Function`
     The meta model.
-trendCoefficients : sequence of float
-    The trend coeffients associated to the linearmodel. 
+coefficients : sequence of float
+    The trend coefficients associated to the linear model. 
 formula : str
      The formula description. 
 coefficientsNames : sequence of str
@@ -46,7 +46,15 @@ LinearModelAlgorithm
 Returns
 -------
 basis : :class:`~openturns.Basis`
-    The basis which had been passed to the constructor."
+    The basis."
+
+%feature("docstring") OT::LinearModelResult::getDesign
+"Accessor to the design matrix.
+
+Returns
+-------
+design: :class:`~openturns.Matrix`
+    The design matrix."
 
 // ---------------------------------------------------------------------
 
@@ -65,7 +73,7 @@ outputSample : :class:`~openturns.Sample`
 
 Returns
 -------
-beta : :class:`~openturns.Point`
+coefficients : :class:`~openturns.Point`
 "
 
 // ---------------------------------------------------------------------