Joni
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 Jan 10 awarded Yearling Sep 24 awarded Autobiographer Apr 30 answered Can I calculate the new standard deviation when adding a value without knowing the original set of values? Feb 2 awarded Nice Answer Jan 10 awarded Yearling Jan 2 comment Find quadratic equation based on 2 tangents In comments below you say you are looking for a parabola, and not just any quadratic equation. Do you have any limitations or preferences on the kind of a parabola, for example if its axis should be parallel to the X or Y axis? Jan 2 comment Find quadratic equation based on 2 tangents Yes, I realised the wording was unclear. Jan 2 comment Find quadratic equation based on 2 tangents This question appears to be off-topic because it is about mathematics. Questions on Stackoverflow should be at least tangentially related to computer programming. Jan 2 answered Find quadratic equation based on 2 tangents Oct 23 revised Countability of polynomials added 86 characters in body Oct 23 comment Countability of polynomials Each polynomial has a unique representation in the suggested scheme because each integer has a unique representation in base 10. Oct 23 answered Countability of polynomials Sep 28 answered If $gf$ is 1-1, is $g$ 1-1? Jun 29 revised Is there such a thing as a metric space of sets over an underlying metric space? formatting equations Jun 29 suggested approved edit on Is there such a thing as a metric space of sets over an underlying metric space? Jun 11 answered Is there such a thing as a metric space of sets over an underlying metric space? May 31 awarded Commentator May 31 comment What will happen if I try to print an impossible solid into a 3D printer? "closed as not constructive" How appropriate :D Mar 20 answered Solving for a variable Mar 17 comment One to one and onto Neither of those are functions by the regular definition. The first one defines several mappings for one value, and the second doesn't define a mapping for 3.