Table 5 Fit parameters of the synthetic curves obtained from CTRW trajectories.

From: A new perspective of molecular diffusion by nuclear magnetic resonance

\(\delta\) (s)

g (T/m)

Exact \(D_\alpha ({\text {m}}^2/{\text {s}}^{\alpha }]\)

Fitted \(D_\alpha [{\text {m}}^2/{\text {s}}^{\alpha }]\)

Exact \(\alpha\)

Fitted \(\alpha\)

\(D_\alpha\) error \((\%)\)

\(\alpha\) error \((\%)\)

0.01

0.02

\(2\times 10^{-9}\)

\(7.7751\times 10^{-10} \pm 6\times 10^{-14}\)

0.5

\(0.308098 \pm 1.90\times 10^{-4}\)

\(61.12\%\)

\(38.38\%\)

0.02

0.02

\(2\times 10^{-9}\)

\(4.3879\times 10^{-10} \pm 2.3\times 10^{-13}\)

0.5

\(0.114993 \pm 1.04 \times 10^{-4}\)

\(78.06\%\)

\(77\%\)

0.03

0.02

\(2\times 10^{-9}\)

\(4.9302635\times 10^{-7} \pm 4.6619492\times 10^{-7}\)

0.7

\(5.3\times 10^{-5} \pm 5 \times 10^{-5}\)

\(24551\%\)

\(100\%\)

0.003

0.02

\(2\times 10^{-9}\)

\(1.71476\times 10^{-9} \pm 1.6\times 10^{-13}\)

0.5

\(0.536484 \pm 1.0 \times 10^{-4}\)

\(14.26\%\)

\(7.30\%\)

0.003

0.02

\(2\times 10^{-9}\)

\(1.84380\times 10^{-9} \pm 1.0\times 10^{-13}\)

0.7

\(0.714850 \pm 5 \times 10^{-5}\)

\(7.81\%\)

\(2.12\%\)