Table 1 Dimensionless parameter estimates
From: Techniques for analysing pattern formation in populations of stem cells and their progeny
Symbol | Description | Dimensionless value |
|---|---|---|
L | Computational domain size | 120 |
N init | Initial number of cells | 3500 |
r c | Typical cell radius | 1 |
t end | Duration of the simulation | 4 |
χ | Bifurcation control parameter | 5 |
δ | Noise amplitude | 10-4 |
S juxt | Sensitivity parameter (juxtacrine) | 10-3 |
R juxt | Radius for juxtacrine signalling | 3 |
S diff | Sensitivity parameter (diffusive) | 10 |
λa, λ b | Morphogen degradation rates | 10 |
D a , D b | Morphogen diffusion coefficients | 103 |
M s | Number of grid squares | 120 |
M q | Number of quadrats in each direction | 12 |
M sim | Number of simulation realisations | 100 |
M g | Number of distance intervals for RDFs | 60 |
dt | Time step | 4 × 10-4 |