Image: Triple integral ellipse shadow

The elliptical region x2+z2/4≤1 was computed as the shadow of the three-dimensional region bounded by y=5−4x2−z2 and y=x2+z2/4 for the sun being at the positive y-axis.
Image file: triple_integral_ellipse_shadow.png
Source image file: triple_integral_ellipse_shadow.ggb
Source image type: Geogebra
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