Timeline for Is there a formula for an s-shaped curve with domain and range [0,1]?
Current License: CC BY-SA 4.0
5 events
| when toggle format | what | by | license | comment | |
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| S May 28 at 4:37 | history | suggested | cottontail | CC BY-SA 4.0 |
link to where comment; remove a period which was causing spurious space
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| May 28 at 2:36 | review | Suggested edits | |||
| S May 28 at 4:37 | |||||
| May 13, 2019 at 18:11 | comment | added | wmsmith | This function does not map 1 -> 1. In fact, f -> 1 as x -> ∞. Depending on k the value of f at x=1 may be quite small, but it will never be exactly 0. In fact, that is the main reason for using e^... in the denominator, i.e. so that the relevant domain is [0,∞) instead of [0,1]. | |
| May 27, 2016 at 2:26 | history | edited | user3487564 | CC BY-SA 3.0 |
corrected the derivative expression
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| May 26, 2016 at 22:16 | history | answered | user3487564 | CC BY-SA 3.0 |