This is a description of a contour plot with filled contours, displaying a periodic pattern of colored regions with superimposed contour lines. The x-axis ranges from -3 to 5, and the y-axis ranges from -3 to 5. The colors transition from dark red to light red, then to light blue, and finally to dark blue, with contour lines in cyan and yellow. The pattern suggests a trigonometric function in two dimensions, with dark blue and dark red indicating local minima and maxima, respectively. Contour lines represent levels of constant function value.
documents/EFTA00606226.pdf
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