class_docstr: Class that defines linalg operation on an array
  
  svd version, where svd is taken on original data array, if
  or when it matters
  
  no spectral cutoff in first version
code: def mdet(self):
      return self.meigh[0].prod()
  
imports: import numpy
  from scipy import linalg
  from statsmodels.tools.decorators import cache_readonly
label_desc: Use image node_id 5 for calling the SvdArray obj's underlying member method code with example usage: obj.mdet() and returns: self