diff --git a/wrappers/gmshpy/gmshNumeric.i b/wrappers/gmshpy/gmshNumeric.i
index 9fca5e851bb094b87bdcf7a1660c02f97e04bca8..bf281cbac662c28cd728b1e262ec4dca94ba8b33 100644
--- a/wrappers/gmshpy/gmshNumeric.i
+++ b/wrappers/gmshpy/gmshNumeric.i
@@ -31,3 +31,15 @@
 %include "polynomialBasis.h"
 %include "pyramidalBasis.h"
 %include "BasisFactory.h"
+%extend nodalBasis {
+  fullMatrix<double> F(const fullMatrix<double> &xi) {
+    fullMatrix<double> psi;
+    $self->f(xi, psi);
+    return psi;
+  }
+  fullMatrix<double> DF(const fullMatrix<double> &xi) {
+    fullMatrix<double> dpsi;
+    $self->df(xi, dpsi);
+    return dpsi;
+  }
+}
diff --git a/wrappers/gmshpy/gmshtypemaps.i b/wrappers/gmshpy/gmshtypemaps.i
index 42a077fb8282755c8a929fce882b6a491784e659..22b493849f23b498da2a2055447ab909c1b3ec43 100644
--- a/wrappers/gmshpy/gmshtypemaps.i
+++ b/wrappers/gmshpy/gmshtypemaps.i
@@ -128,21 +128,17 @@
   {
     npy_intp dims[2] = {fm.size1(), fm.size2()};
     double *data = (double*)fm.getDataPtr();
-    /*PyObject *array = PyArray_New(&PyArray_Type, 2, dims, NPY_DOUBLE, NULL, NULL, 0, NPY_ARRAY_F_CONTIGUOUS, NULL);
-    // copy data
-    memcpy((void*)PyArray_DATA(array), data, dims[0] * dims[1] * sizeof(double));*/
     // do not copy data
     PyObject *array = PyArray_New(&PyArray_Type, 2, dims, NPY_DOUBLE, NULL, (void*)data, 0, NPY_ARRAY_F_CONTIGUOUS, NULL);
     PyArray_UpdateFlags((PyArrayObject*)array, NPY_ARRAY_ALIGNED);
-    /*if (fm.getOwnData()) {
-      fm.setOwnData(false);
-      %#if PY_MAJOR_VERSION==2 && PY_MINOR_VERSION==6
-      PyObject *capsule = PyCObject_FromVoidPtr((void*)data, deleteCapsuleArray);
-      %#else
-      PyObject *capsule = PyCapsule_New((void*) data, NULL, deleteCapsuleArray);
-      %#endif
-      PyArray_SetBaseObject((PyArrayObject*)array, capsule);
-    }*/
+    return array;
+  }
+  PyObject *fullMatrix2PyArrayProxy(const fullMatrix<double> &fm)
+  {
+    npy_intp dims[2] = {fm.size1(), fm.size2()};
+    double *data = (double*)fm.getDataPtr();
+    PyObject *array = PyArray_New(&PyArray_Type, 2, dims, NPY_DOUBLE, NULL, (void*)data, 0, NPY_ARRAY_F_CONTIGUOUS, NULL);
+    PyArray_UpdateFlags((PyArrayObject*)array, NPY_ARRAY_ALIGNED |NPY_ARRAY_WRITEABLE);
     return array;
   }
   PyObject *fullVector2PyArrayProxy(fullVector<double> &fv)
@@ -211,6 +207,10 @@
   $result = fullMatrix2PyArrayConst(*$1);
 }
 
+%typemap(out, fragment="fullMatrixConversion") fullMatrix<double>& {
+  $result = fullMatrix2PyArrayProxy(*$1);
+}
+
 %typemap(out, fragment="fullMatrixConversion") fullVector<double>& {
   $result = fullVector2PyArrayProxy(*$1);
 }