GWHAT crash when trying to evaluate recharge before the MRC have been evaluated

[jnsebgosselin]

What steps will reproduce the problem?

1. Try to compute recharge before computing the MRC
2. GWHAT crash.

Traceback

Traceback (most recent call last):
  File "C:\Users\jsgosselin\GWHAT\gwhat\gwrecharge\gwrecharge_calc2.py", line 22
4, in calcul_GLUE
    SyOpt, RMSE, wlvlest = self.optimize_Sy(Sy0, rechg)
  File "C:\Users\jsgosselin\GWHAT\gwhat\gwrecharge\gwrecharge_calc2.py", line 33
4, in optimize_Sy
    dr = np.linalg.tensorsolve(XtX, Xtdh, axes=None)
  File "C:\Python36\lib\site-packages\numpy\linalg\linalg.py", line 296, in tens
orsolve
    res = wrap(solve(a, b))
  File "C:\Python36\lib\site-packages\numpy\linalg\linalg.py", line 375, in solv
e
    r = gufunc(a, b, signature=signature, extobj=extobj)
  File "C:\Python36\lib\site-packages\numpy\linalg\linalg.py", line 90, in _rais
e_linalgerror_singular
    raise LinAlgError("Singular matrix")
numpy.linalg.linalg.LinAlgError: Singular matrix

Proposed Solution

A warning message should pop-up telling the user that a MRC needs to be evaluated first.