class_docstr: Class for fitting the Diffusion Kurtosis Microstructural Model 
class_docstr_tok: ["Class","for","fitting","the","Diffusion","Kurtosis","Microstructural","Model"]
docstr: Returns the axial diffusivity of the hindered compartment.
  
  Notes
  -----
  The hindered diffusion tensor can be seem as the tissue's
  extra-cellular diffusion compartment [1]_.
  
  References
  ----------
  .. [1] Fieremans, E., Jensen, J.H., Helpern, J.A., 2011. White Matter
         Characterization with Diffusion Kurtosis Imaging. Neuroimage
         58(1): 177-188. doi:10.1016/j.neuroimage.2011.06.006
docstr_tok: ["Returns","the","axial","diffusivity","of","the","hindered","compartment",".","Notes","--","--","-","The","hindered","diffusion","tensor","can","be","seem","as","the","tissue's","extra-cellular","diffusion","compartment","[","1","]","_.","References","--","--","--","--","--","..","[","1","]","Fieremans",",","E.",",","Jensen",",","J.H.",",","Helpern",",","J.A.",",","2011",".","White","Matter","Characterization","with","Diffusion","Kurtosis","Imaging",".","Neuroimage","58","(","1",")",":","177-188.","doi:10.1016\/j.neuroimage.2011.06.006"]
code: def hindered_ad(self):
      """Returns the axial diffusivity of the hindered compartment.
  
      Notes
      -----
      The hindered diffusion tensor can be seem as the tissue's
      extra-cellular diffusion compartment [1]_.
  
      References
      ----------
      .. [1] Fieremans, E., Jensen, J.H., Helpern, J.A., 2011. White Matter
             Characterization with Diffusion Kurtosis Imaging. Neuroimage
             58(1): 177-188. doi:10.1016/j.neuroimage.2011.06.006
      """
      return axial_diffusivity(self.hindered_evals)
  
imports: import numpy
  from dipy.reconst.dti import lower_triangular, from_lower_triangular, decompose_tensor, trace, mean_diffusivity, radial_diffusivity, axial_diffusivity, MIN_POSITIVE_SIGNAL
  from dipy.reconst.dki import split_dki_param, _positive_evals, directional_kurtosis, directional_diffusion, kurtosis_maximum, DiffusionKurtosisModel, DiffusionKurtosisFit
  from dipy.reconst.dti import design_matrix
  from dipy.core.ndindex import ndindex
  from dipy.reconst.vec_val_sum import vec_val_vect
  from dipy.data import get_sphere
  import dipy.core.sphere
label_desc: Use image node_id 6 for calling the KurtosisMicrostructuralFit obj's underlying member method code with example usage: obj.hindered_ad() and returns: axial_diffusivity