Merge pull request #6 from mpewsey/Update

Update

Author: mpewsey

error_solver/solvers/_base_error_solver.py

@@ -117,9 +117,10 @@ def solve(self, values, errors, const={}, combo=None, check=True, stdev=False):
         n, m = len(val), len(err)
 
         xk = np.array([errors[k] for k in err], dtype='float').reshape(-1, 1)
-        jac = np.abs(self.jacobian(values, errors, combo))
+        jac = self.jacobian(values, errors, combo)
         ju, jk = jac[:,:n], jac[:,n:n+m]
         jui = np.abs(np.linalg.inv(ju))
+        ju, jk = np.abs(ju), np.abs(jk)
 
         if const:
             ck = np.array([const.get(k, 0) for k in err], dtype='float').reshape(-1, 1)

setup.cfg

@@ -4,7 +4,7 @@ universal = 1
 [metadata]
 project = Error Solver
 name = error_solver
-version = 2.1.0
+version = 2.1.1
 author = Matt Pewsey
 copyright = 2018-2019, Matt Pewsey
 description = Estimates propagation error tolerances for systems of equations.