User Portlet
| Discussions |
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| Hi Kelly, You can contact me by email: wu_fei_1978@163.com, or we can disuss your issue in Wolfram Community. |
| New contributions were added: **Detecting Global Community Structure in a COVID-19 Activity Correlation Network** by Hiroki Sayama https://community.wolfram.com/groups/-/m/t/3056172 **COVID-19 SIR models: transmission, vaccination, herd... |
| Another way, highlighting the bifurcation: ParametricPlot3D[ Evaluate@{r /. First@Solve[r x (1 - x/k) - x^2/(1 + x^2) == 0, r], k, x}, {k, 0, 10}, {x, 0 + 2 $MachineEpsilon, k - 20 $MachineEpsilon}, PlotPoints ->... |
| Je ne sais pas. Please ask to Stephen Wolfram, why UpSet? |
| Right now I don't think the problem can be solved. Deaths are easy to count and because they were ill first most all were tested, but the number of infected people is determined by testing, which has varied widely by location and indication. Until... |