https://bugs.kde.org/show_bug.cgi?id=422225
--- Comment #1 from Eduardo <eduponto...@gmail.com> --- the value of c0 were so small and then i changed the input data to x: (0; 0,37; 0,5) y: (0; 20; 25) and forget to correct on the first message. Consider x = 0,37 as in the print screen in attachment -- You are receiving this mail because: You are watching all bug changes.