11. This can also be expressed by saying that the squaring function is an even function . 12. Every even function or only some of them? 13. Geometrically speaking, the graph face of an even function is reflection about the " y "-axis. 14. Thus it is an even function , that is, symmetric with respect to the " y "-axis. 15. One user has deleted F-86 edits with the excuse of'unreliable datas'adding a link that not even function . 16. Some authors only define the cosine transform for even functions of, in which case its sine transform is zero. 17. This directly results from the fact that the integrand e ^ {-t ^ 2 } is an even function . 18. Members of the Mets'organization wonder at Orsulak's ability to concentrate-- to even function -- with all the strain he is under. 19. I doubt it is a source voltage problem, because chances are, if it was, then your computer wouldn't even function correctly. 20. This function is neither odd nor even, which can be considered as a sum of an odd function and an even function .