This repo contains the simulation functions and plotting functions used in the paper (bioRxiv link)

Axon Diameter Measurements using Diffusion MRI are Infeasible.
Michael Paquette, Cornelius Eichner, Thomas R. Knösche, and Alfred Anwander  

All figure-making scripts are self-contained, generating their data and plotting it.
 

Scatter plot of noisy diameter fit.

Contour plot of signal differences for two cylinders distributions.

Contour plot of signal differences for gamma distributions.

Computing numerical and theoretical d_eff on histology data.

Computing multiple distribution with equivalent d_eff.

Monte-Carlo simulation of mean square displacement inside cylinder cross-section.

Intra-axonal signal decay for various $\Delta$ and $\delta$.

Fitting intra-axonal decay formulas to extra-axonal decay signals to obtain "fake diameters".

Contour plot of signal differences for two cylinders distributions.

Contour plot of signal differences for two cylinders distributions.

Notebook with every single computation used in the manuscript outside of the figures
i.e. all tables and every quoted values of minimal signal, SNR or diameters, etc.