Search results
Create the page "Self-Fourier functions" on this wiki! See also the search results found.
File:ArcGamma.jpg [[Category:Mathematical functions]](1,188 × 924 (156 KB)) - 08:29, 1 December 2018File:Factorialz.jpg [[Category:Plots of functions]](1,219 × 927 (479 KB)) - 08:35, 1 December 2018File:FactoReal.jpg [[Category:plots of functions]](915 × 1,310 (141 KB)) - 08:35, 1 December 2018File:OneOverFactorial.jpg [[Category:Mathematical functions]](1,244 × 949 (276 KB)) - 17:50, 20 June 2013File:5kar.jpg ...in pees together with bear, showing the similarity and the distribution of functions in the russian [[tandem]].(438 × 640 (28 KB)) - 09:40, 21 June 2013File:AbelFactorialMap.png [[Category:Abel functions]](675 × 673 (120 KB)) - 08:28, 1 December 2018File:AbelFactorialR.png [[Category:Abel functions]] [[Category:Inverse functions]](1,060 × 705 (34 KB)) - 09:39, 21 June 2013File:AcipmapTjpg.jpg ...a general case, the complex double function ACip5 should be called. other functions are good only for the special case.(1,759 × 1,746 (661 KB)) - 09:41, 21 June 2013File:AcipmapTpng.png ...a general case, the complex double function ACip5 should be called. other functions are good only for the special case.(844 × 838 (199 KB)) - 09:41, 21 June 2013File:AcomapT200.png [[Category:Elementary functions]](2,345 × 2,328 (1.06 MB)) - 09:41, 21 June 2013File:Acosc1mapT.png [[Cosc]], [[Arccosc]], Inverse funciton]], [[Sazae-san functions]], [[Sazae-san constants]](1,759 × 1,746 (862 KB)) - 09:41, 21 June 2013File:AcoscmapT300.png ...e [[plofu.cin]]. However, for different manuscripts and different kinds of functions, the different styles may be required.(3,517 × 3,492 (1.64 MB)) - 09:41, 21 June 2013File:AcosqplotT100.png [[ArcCosc]], [[ArcCosq]], [[Sazae-san functions]], [[Category:Sazae-san functions]](2,231 × 1,215 (152 KB)) - 09:41, 21 June 2013File:AcosqqplotT.png through functions [[acosq]] (or [[ArcCosq]]); it is expressed as;(1,686 × 1,823 (148 KB)) - 09:41, 21 June 2013File:ArcCipMapT.jpg ...a general case, the complex double function ACip5 should be called. other functions are good only for the special case.(1,759 × 1,746 (661 KB)) - 09:41, 21 June 2013File:ArcSeregaMapT.png // WARNING: non-holomorphic functions included!(1,312 × 1,312 (483 KB)) - 09:43, 21 June 2013File:ArcTaniaMap.png [[Category:Inverse functions]](851 × 841 (626 KB)) - 08:30, 1 December 2018File:ArcYulyaPlot100.png [[Category:Inverse functions]](3,540 × 748 (220 KB)) - 09:39, 21 June 2013File:AsimapT.png [[Category:Elementary functions]](1,759 × 1,746 (746 KB)) - 09:41, 21 June 2013File:AsincmapT.png [[Category:Inverse functions]](1,759 × 1,746 (896 KB)) - 09:41, 21 June 2013File:AsincplotT500.png Explicit plot of functions [[ArcSinc]] (thick blue curve) and [[ArcCosc]] (thin red curve): [[Category:Sazae-san functions]](843 × 2,014 (184 KB)) - 09:41, 21 June 2013File:AuZexLamPlotT.jpg [[Explicit plot]] of functions [[AuZex]] (thick black curve) and [[LambertW]] (thin red curve).(2,508 × 841 (169 KB)) - 08:30, 1 December 2018File:B271a.png H.Trappmann, D.Kouznetsov. Uniqueness of Analytic Abel Functions in Absence of a Real Fixed Point. Aequationes Mathematicae, v.81, p.65-76 ((1,609 × 1,417 (506 KB)) - 08:30, 1 December 2018File:Besselj1mapT080.png [[Category:Special functions]](2,056 × 1,048 (1.72 MB)) - 09:42, 21 June 2013File:Bessely0mapT064.png [[Category:Cylindric functions]](1,462 × 745 (1.35 MB)) - 09:42, 21 June 2013File:CoshcplotT.png Explicit plot of functions [[Coshc]] and [[Coshc']] for positive values of the argument. Functions $~y\!=\!\mathrm{coshc}(x)~$ and $~y\!=\!\mathrm{coshc}'(x)~$ are shown in t(465 × 851 (36 KB)) - 09:41, 21 June 2013File:E1efig09abc1a150.png [[Category:Holomorphic functions]](2,234 × 711 (883 KB)) - 08:34, 1 December 2018File:Elutin1a4tori.jpg [[Category:Mathematical functions]](922 × 914 (62 KB)) - 09:38, 21 June 2013File:Esqrt2iterMapT.png the functions $F$ and $G$ are called $F_{4,5}$ and $F_{4,5}^{~-1}$.(1,092 × 1,080 (1.36 MB)) - 09:43, 21 June 2013File:Expc.jpg [[Category:Mathematical functions]](941 × 852 (48 KB)) - 18:39, 11 July 2013File:ExpIte4T.jpg ...-4/S0273-0979-1993-00432-4.pdf Walter Bergweiler. Iteration of meromorphic functions. Bull. Amer. Math. Soc. 29 (1993), 151-188.(1,673 × 1,673 (901 KB)) - 08:35, 1 December 2018File:FourierExampleGauss16pol04Ta.png [[Explicit plot]] of the [[self-Fourier function]] and its discrete approximation. [[Category:Self-Fourier functions]](2,134 × 470 (88 KB)) - 09:39, 21 June 2013File:IterPowPlotT.png ...e can be expressed in the closed form through the same function. For other functions, such a representation may be not available. ...fic value $c\!=\!2$. The attempts to apply relations (6) to other transfer functions $T$ leads to confusions and errors.(2,093 × 2,093 (680 KB)) - 20:50, 28 September 2013File:KellerDoyaT.png (661 × 881 (70 KB)) - 08:39, 1 December 2018File:Logi1a345T300.png ...on-integer iterates of the [[logisticOperator]] are calculated through the functions [[LogisticSequence]] and [[ArcLogisticSequence]] with(1,636 × 565 (184 KB)) - 08:41, 1 December 2018File:Modeabso25T.png Parameters $p$, $q$ and $r$ expressed through functions [[ArcCosq]]=[[acosq]] and [[ArcCosqq]] as follows:(2,657 × 905 (262 KB)) - 09:41, 21 June 2013File:Plog4.png [[Category:Mathematical functions]](307 × 432 (13 KB)) - 09:38, 21 June 2013File:PowIteT.jpg ...e can be expressed in the closed form through the same function. For other functions, such a representation may be not available.(2,093 × 2,093 (1.01 MB)) - 08:46, 1 December 2018File:QFactorialQexp.jpg Functions sqrt(!) , left, and sqrt(exp), right, in the complex plane. The corresponding functions <math>S</math> are, respectively, [[SuperFactorial]], left, and(800 × 399 (121 KB)) - 17:23, 11 July 2013File:SazaeconT.png Graphics of functions [[Cohc]] and [[Cosc]]. Meanings of constants [[Sazae]], [[Tarao]], [[Fune]](2,118 × 1,682 (216 KB)) - 09:41, 21 June 2013File:SelfCosFTt200.png Two self-fourier functions and their discrete representations and their discrete [[CosFourier]] transf These functions are shown with dotted lines.(1,467 × 637 (100 KB)) - 09:42, 21 June 2013File:SquareRootOfFactorial.png Graphical representation of the [[Square root of factorial]]: functions<br>(538 × 1,050 (34 KB)) - 09:39, 21 June 2013File:Superfactocomple1.png [[Category:Mathematical functions]](706 × 706 (172 KB)) - 00:10, 29 February 2024File:Superfactorea500.png [[Category:Holomorphic functions]](575 × 748 (50 KB)) - 00:06, 29 February 2024File:TaniaBigMap.png [[Category:Approximation of functions]](851 × 841 (654 KB)) - 08:53, 1 December 2018File:TaniaContourPlot100.png [[Category:Inverse functions]](1,182 × 1,168 (931 KB)) - 08:53, 1 December 2018File:TaniaPlot.png [[Category:Inverse functions]] [[Category:Holomorphic functions]](807 × 424 (16 KB)) - 09:39, 21 June 2013File:Tet10bxr.jpg [[Category:Mathematical functions]](2,491 × 1,952 (236 KB)) - 08:53, 1 December 2018File:TetPlotU.png $y\!=\!x\!+\!1$. The difference between these two functions, scaled with factor 10, id est, $y=10\Big( \mathrm{tet}(x)-(x+1)\Big)$, is(838 × 2,088 (124 KB)) - 08:53, 1 December 2018File:Tetreal10bx10d.png [[Category:Mathematical functions]](2,192 × 2,026 (436 KB)) - 13:56, 5 August 2020File:Tetreal2215.gif [[Category:Mathematical functions]](876 × 881 (111 KB)) - 09:38, 21 June 2013File:Tetreal2215.jpg // The functions defined in [[conto.cin]] and [[ado.cin]] should be downloaded for the compo(876 × 881 (130 KB)) - 09:38, 21 June 2013File:TodaShow.png ...laser as oscillator Toda: approximation of the solution through elementary functions -- J. Phys. A: 40, 2107-2124 (2007).(1,707 × 317 (155 KB)) - 09:39, 21 June 2013File:Exp1mapT200.jpg ...-4/S0273-0979-1993-00432-4.pdf Walter Bergweiler. Iteration of meromorphic functions. Bull. Amer. Math. Soc. 29 (1993), 151-188.(2,281 × 1,179 (1.14 MB)) - 12:37, 28 July 2013File:Exp09mapT200.jpg ...-4/S0273-0979-1993-00432-4.pdf Walter Bergweiler. Iteration of meromorphic functions. Bull. Amer. Math. Soc. 29 (1993), 151-188.(2,281 × 1,179 (1.23 MB)) - 12:28, 28 July 2013File:Exm01mapT200.jpg The complex double implementations [[FSEXP]] and [[FSLOG]] of these functions are used in the [[C++]] code below. ...-4/S0273-0979-1993-00432-4.pdf Walter Bergweiler. Iteration of meromorphic functions. Bull. Amer. Math. Soc. 29 (1993), 151-188.(2,281 × 1,179 (834 KB)) - 12:52, 28 July 2013File:Exm05mapT200.jpg ...-4/S0273-0979-1993-00432-4.pdf Walter Bergweiler. Iteration of meromorphic functions. Bull. Amer. Math. Soc. 29 (1993), 151-188.(2,281 × 1,179 (705 KB)) - 12:54, 28 July 2013File:Exm09mapT200.jpg ...-4/S0273-0979-1993-00432-4.pdf Walter Bergweiler. Iteration of meromorphic functions. Bull. Amer. Math. Soc. 29 (1993), 151-188.(2,281 × 1,179 (560 KB)) - 12:56, 28 July 2013File:Exm1mapT200.jpg ...-4/S0273-0979-1993-00432-4.pdf Walter Bergweiler. Iteration of meromorphic functions. Bull. Amer. Math. Soc. 29 (1993), 151-188.(2,281 × 1,179 (544 KB)) - 12:47, 28 July 2013File:2014.12.26rubleDollar.png and the approximations with elementary functions. where $M$ is total number of experimental data. Approximating functions are specified below:(1,502 × 651 (246 KB)) - 08:26, 1 December 2018File:2014.12.31rudo.png D.Kouznetsov. Fitting of economical data with elementary functions: rouble versus dollar in 2014. In preparation, 2015.(1,452 × 684 (190 KB)) - 08:26, 1 December 2018File:2014ruble15t.png ...he abscissa axis). Totally, 7 parameters are used to approximate the three functions. ...invited to construct better approximations for the same data with special functions (less parameters or less mean-square deviation).(693 × 680 (110 KB)) - 08:26, 1 December 2018File:2014rubleDollar2param.png ...Currency band and the approximations: Fitting of rouble with 3-parametric functions. 2015, under consideration.(1,527 × 1,004 (232 KB)) - 08:26, 1 December 2018File:2014rubleDollar3param.png In the way mentioned above, the following four functions $f$ are considered and plotted: For these functions, the mean square deviations is of order of 10.(1,273 × 837 (294 KB)) - 08:26, 1 December 2018File:2014specula.png Other curves correspond to the approximations with elementary functions.(1,502 × 651 (177 KB)) - 08:26, 1 December 2018File:2015ruble2.jpg ...Currency band and the approximations: Fitting of rouble with 3-parametric functions. Applied Mathematical Sciences, Vol. 9, 2015, no. 17, 831 - 838(1,726 × 709 (248 KB)) - 08:26, 1 December 2018File:2015ruble3.jpg ...Currency band and the approximations: Fitting of rouble with 3-parametric functions. Applied Mathematical Sciences, Vol. 9, 2015, no. 17, 831 - 838(1,726 × 684 (266 KB)) - 08:26, 1 December 2018File:2016ruble1.jpg ...Currency band and the approximations: Fitting of rouble with 3-parametric functions. Applied Mathematical Sciences, Vol. 9, 2015, no. 17, 831 - 838(2,764 × 684 (414 KB)) - 08:27, 1 December 2018File:Acker2t400.jpg (3,555 × 5,588 (1.09 MB)) - 08:28, 1 December 2018File:Ackerplot.jpg ...t/u7327836m2850246/ H.Trappmann, D.Kouznetsov. Uniqueness of Analytic Abel Functions in Absence of a Real Fixed Point. Aequationes Mathematicae, v.81, p.65-76 ((2,800 × 4,477 (726 KB)) - 08:28, 1 December 2018File:Ackerplot400.jpg ...t/u7327836m2850246/ H.Trappmann, D.Kouznetsov. Uniqueness of Analytic Abel Functions in Absence of a Real Fixed Point. Aequationes Mathematicae, v.81, p.65-76 ((3,355 × 4,477 (805 KB)) - 08:29, 1 December 2018File:Amosmap.jpg (1,726 × 1,718 (396 KB)) - 08:29, 1 December 2018File:Analuxp01t400.jpg ...this figure, $u$ and $v$ are [[logamplitude]] and [[phase]] of the plotted functions; not the real and imaginary parts, as usually. ...power and ultra exponential functions”. Integral Transforms and Special Functions 17 (8), 549-558 (2006)(2,083 × 3,011 (1.67 MB)) - 08:29, 1 December 2018File:Analuxp01u400.jpg ...power and ultra exponential functions”. Integral Transforms and Special Functions 17 (8), 549-558 (2006) Functions $\mathrm{fit}_2$ and $\mathrm{fit}_3$ above provide the key. I used to chec(2,083 × 3,011 (1.72 MB)) - 08:29, 1 December 2018File:Anka616map.jpg where [[zex]] is elementary functions, $\mathrm{zex}(z)=z\,\exp(z)$(2,641 × 2,625 (1.48 MB)) - 08:29, 1 December 2018File:Apow2ma4.jpg Two complex maps of the real-holomorphic [[abelpower]] functions, ...ined adding to the function some periodic function with period unity. Such functions show fast (at least exponential) growth in the imaginary direction; the abe(1,779 × 879 (616 KB)) - 08:29, 1 December 2018File:Aupow2map.jpg [[Category:Abel functions]](2,175 × 2,158 (906 KB)) - 08:30, 1 December 2018File:AuPow2Plot.jpg Explicit plof of two [[abelpower]] functions:(1,577 × 1,469 (219 KB)) - 08:30, 1 December 2018File:Boyt.jpg Super sin and the Abel sin functions, id est, [[SuSin]] and [[AuSin]], are used to evaluate the high iteration o(5,105 × 2,449 (1.17 MB)) - 08:31, 1 December 2018File:Boyt100.jpg Super sin and the Abel sin functions, id est, [[SuSin]] and [[AuSin]], can be used to evaluate the iteration of(3,473 × 1,646 (467 KB)) - 08:31, 1 December 2018File:Facite.jpg For non–integer value sof $n$, the iterate is expressed through functions(2,092 × 2,092 (799 KB)) - 08:35, 1 December 2018File:Hermigaaplot.jpg The approximations are build with functions [[amos]] that(1,672 × 477 (247 KB)) - 08:37, 1 December 2018File:Hermigaplot.jpg (1,672 × 435 (160 KB)) - 08:37, 1 December 2018File:Logic4T.jpg can be expressed in terms of elementary functions; this case can be used for the testing of the numerical implementation of t(2,195 × 2,208 (1.66 MB)) - 08:42, 1 December 2018File:Magaplot300.jpg [[Explicit plot]] of function [[maga]] and related functions.(4,234 × 896 (401 KB)) - 08:42, 1 December 2018File:MagaplotFragment.jpg [[Explicit plot]] of function [[maga]] and related functions.(1,743 × 896 (245 KB)) - 08:42, 1 December 2018File:Moriplot300.jpg fprintf(o,".008 W 0 0 0 RGB S\n"); // this is agreement of functions morin and mori0; important at the testing.(2,366 × 572 (139 KB)) - 08:43, 1 December 2018File:MoriplotFragment.jpg fprintf(o,".008 W 0 0 0 RGB S\n"); // this is agreement of functions morin and mori0; important at the testing.(1,917 × 514 (133 KB)) - 08:43, 1 December 2018File:Nem1hht.jpg is expressed through functions [[SuNem]] and [[AuNem]].(759 × 747 (79 KB)) - 08:44, 1 December 2018File:Nembrant.jpg ...onstruction of [[exotic iterate]]s; they can be constructed for asymmetric functions too.(361 × 871 (65 KB)) - 08:44, 1 December 2018File:Norifit76fragment.jpg where functions nori and kori are evaluated through the straightforward definitions using t For reference, at the bottom, functions [[nori]] and [[kori]], scaled with factor 10, are shown with green and red(967 × 448 (155 KB)) - 08:44, 1 December 2018File:Norifit76plot.jpg where functions nori and kori are evaluated through the straightforward definitions using t For reference, at the bottom, functions [[nori]] and [[kori]], scaled with factor 10, are shown with green and red(1,070 × 448 (168 KB)) - 08:44, 1 December 2018File:QQFacMT.jpg The half iterate is evaluatef through functions [[SuFac]] and [[AuFac]]:(885 × 868 (437 KB)) - 08:48, 1 December 2018File:Ruble85210a.png ...Currency band and the approximations: Fitting of rouble with 3-parametric functions. Applied Mathematical Sciences, Vol. 9, 2015, no. 17, 831 - 838(1,519 × 689 (217 KB)) - 08:50, 1 December 2018File:Sqrt2sufuplot.png Along the real axis, functions(3,520 × 2,507 (408 KB)) - 10:11, 10 June 2022File:Sufact.png [[Explicit plot]] of functions [[Factorial]] and [[SuFac]]:(1,677 × 2,191 (224 KB)) - 08:53, 1 December 2018File:Sutralomap.jpg with two its approximations with entire functions,(2,533 × 1,254 (1.26 MB)) - 08:53, 1 December 2018File:Vladi07.jpg Maps of agreement of approximations of natural [[tetration]] with elementary functions [[fima]] and [[maclo]], used in the implementation [[fsexp.cin]].(741 × 383 (100 KB)) - 08:56, 1 December 2018File:Vladi08.jpg Agreement of approximations of tetration by elementary functions with the original representation through the Cauchi integral is shown in th(787 × 375 (117 KB)) - 08:56, 1 December 2018File:ZexPlot.png [[Category:Inverse functions]] [[Category:Special functions]](408 × 402 (10 KB)) - 08:57, 1 December 2018File:2021.12.07.CovidRussiaForecast.png ...d blue curves show the pessimistic and optimistic extrapolation with power functions(1,706 × 841 (314 KB)) - 11:35, 7 December 2021File:Student5map.png Let us cover all functions used in the research(1,706 × 1,690 (154 KB)) - 09:18, 10 May 2024