An emulator-based forecasting on astrophysics and cosmology with 21 cm and density cross-correlations during the epoch of reionization

Open Access

Fig. 2.

Comparison of true cross-power amplitude between 21 cm and δ_m field with the corresponding predicted estimates using ANN at different k bins used in this work. Other descriptions are similar to those of Figure 1. This corresponds to an R² value of 0.99.

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