define Iotas.dJ upon init

hiddenSymmetries · Nov 1, 2023 · a246dda · a246dda
1 parent b1986cf
commit a246dda
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/simsopt/geo/surfaceobjectives.py b/src/simsopt/geo/surfaceobjectives.py
@@ -430,6 +430,7 @@ def parameter_derivatives(surface: Surface,
         1d array of size (ndofs)
     """
     N = surface.normal()
+    norm_N = np.linalg.norm(N, axis=2)
     dx_by_dc = surface.dgamma_by_dcoeff()
     N_dot_dx_by_dc = np.einsum('ijk,ijkl->ijl', N, dx_by_dc)
     nphi = surface.gamma().shape[0]
@@ -790,6 +791,7 @@ def dJ(self):
 
     def recompute_bell(self, parent=None):
         self._J = None
+        self._dJ = None
         self._dJ_by_dcoefficients = None
         self._dJ_by_dcoilcurrents = None