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13:51, 2 September 2020 Rrshier talkcontribs uploaded File:SQ-RBF graph no range.png (Ryan Shier, Wolfram Alpha, https://www.wolframalpha.com, Image can be obtained (with range) using Wolfram Alpha and the following command: "Piecewise[(((1-x^2/2), abs(x)<=1}, {(2-abs(x))^2/2, 1<abs(x)<=2}, {0, abs(x)>2))]")
13:41, 2 September 2020 Rrshier talkcontribs uploaded File:SQ-RBF Graph.png(Ryan Shier, Wolfram Alpha, https://www.wolframalpha.com, This graph can be obtained by entering "Piecewise[(((1-x^2/2), abs(x)<=1}, {(2-abs(x))^2/2, 1<abs(x)<=2}, {0, abs(x)>2))]" into Wolfram Alpha.)