.. _method-r2s-trapezoidal:
.. role::  raw-html(raw)
    :format: html

Closed-form solutino using trapezoidal approximation
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`Pei, M., Nguyen, T.D., Thimmappa, N.D., Salustri, C., Dong, F., Cooper, M.A., Li, J., Prince, M.R., Wang, Y., 2014. Algorithm for fast monoexponential fitting based on Auto-Regression on Linear Operations (ARLO) of data. Magnetic resonance in medicine 73, 843–850. <https://doi.org/10.1002/mrm.25137>`_ 

.. image:: ../images/r2s/trapezoidal.png