check_curve() checks a curve for its convexity
typeuik() finds the UIK estimation for elbow or knee point
of a curved2uik() performs UIK method on the approximation of
second order derivativesThe Unit Invariant Knee (UIK) estimator is described in article:
Install the inflection package and then read vignettes:
vignette('inflection', package ='inflection') an
introductory vignettevignette('inflectionDevelopingMethods', package ='inflection')
reproduction of results for article:
vignette('inflectionMissionImpossible', package ='inflection')
a vignette for ‘impossible’ missionsRemove the option to plot in two separate pdfs ‘ese_iterations.pdf’,
‘ede_iterations.pdf’ from findipiterplot() and open new
plot windows instead of saving files.
ese()
bese()
findiplist()
findipiterplot()
ese(x,y,index)bese(x,y,index)ede(x,y,index)edeci(x,y,index)bede(x,y,index) All functions require
length(x)>=4 in order to create numeric outputfindipiterplot(x,y,index) was improved and
became
findipiterplot(x, y, index, plots = TRUE, crossrun = FALSE, ci = FALSE)Demetris T. Christopoulos (2016). On the efficient identification of an inflection point.International Journal of Mathematics and Scientific Computing, (ISSN: 2231-5330), vol. 6(1). https://demovtu.veltech.edu.in/wp-content/uploads/2016/04/Paper-04-2016.pdf