File:FilogmT1000a.jpg: Difference between revisions

From Citizendium
Jump to navigation Jump to search
imported>Dmitrii Kouznetsov
No edit summary
(== Summary == Importing file)
Tag: Server-side upload
 
(3 intermediate revisions by one other user not shown)
Line 1: Line 1:
== Summary ==
== Summary ==
{{Image_Details|user
Importing file
|description  = [[Complex map]] of function [[Filog]], zoom-in from the central part. <math>u\!+\!\mathrm i v=\mathrm{Filog}(x\!+\!\mathrm i y$
|author      = [[User:Dmitrii Kouznetsov|Dmitrii Kouznetsov]]
|date-created = 2013.03.05
|pub-country  = Japan
|notes        = 2013.02.27, 17:30, Server http://tori.ils.uec.ac.jp/TORI is cracked by Nishio Shigeaki from computer identified as gigabyte.ils.uec.ac.jp
and, perhaps, we'll never be able to recover it.
I try to save the most important pictures, formulas and algorithms. [[User:Dmitrii Kouznetsov|Dmitrii Kouznetsov]] 02:40, 8 March 2013 (UTC)
|versions    = http://en.citizendium.org/wiki/File:FilogbigT.jpg
}}
== Licensing ==
{{CC|by|3.0}}
 
==[[C++]] generator of curves==
 
// FIles [[filog.cin]], [[ado.cin]] and [[conto.cin]] should be loaded to the working directory in order to compile the code below.
 
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#define DB double
#define DO(x,y) for(x=0;x<y;x++)
using namespace std;
#include <complex>
typedef complex<double> z_type;
#define Re(x) x.real()
#define Im(x) x.imag()
#define I z_type(0.,1.)
#include "conto.cin"
#include "filog.cin"
main(){ int j,k,m,n; DB x,y, p,q, t; z_type z,c,d;
int M=600,M1=M+1;
int N=401,N1=N+1;
DB X[M1],Y[N1], g[M1*N1],f[M1*N1], w[M1*N1]; // w is working array.
char v[M1*N1]; // v is working array
FILE *o;o=fopen("filogm.eps","w");ado(o,302,202);
fprintf(o,"101 101 translate\n 100 100 scale\n");
DO(m,M1) X[m]=-1.+.005*(m-.2);
DO(n,200)Y[n]=-1.+.005*n;
        Y[200]=-.0001;
        Y[201]= .0001;
for(n=202;n<N1;n++) Y[n]=-1.+.005*(n-1.);
for(m=-1;m<3;m++){M(m,-1)L(m,1)}
for(n=-1;n<2;n++){M( -1,n)L(2,n)}
fprintf(o,"2 setlinecap .004 W 0 0 0 RGB S\n");
M(exp(-1.),-1)
L(exp(-1.), 1)
M(M_PI/2.,-1)
L(M_PI/2., 1)
fprintf(o,".002 W 0 0 0 RGB S\n");
DO(m,M1)DO(n,N1){g[m*N1+n]=9999; f[m*N1+n]=9999;}
DO(m,M1){x=X[m]; //printf("%5.2f\n",x);
DO(n,N1){y=Y[n]; z=z_type(x,y);       
// c=Tania(z_type(-1.,-M_PI)+log(z))/(-z);
c=Filog(z);
p=Re(c);q=Im(c); 
if(p>-41. && p<41. &&  q>-41. && q<41. ){ g[m*N1+n]=p;f[m*N1+n]=q;}
        }}
fprintf(o,"1 setlinejoin 2 setlinecap\n");  p=5.;q=.8;
for(m=-10;m<11;m++)for(n=2;n<10;n+=2)conto(o,f,w,v,X,Y,M,N,(m+.1*n),-q, q); fprintf(o,".001 W 0 .6 0 RGB S\n");
for(m=0;m<11;m++) for(n=2;n<10;n+=2)conto(o,g,w,v,X,Y,M,N,-(m+.1*n),-q, q); fprintf(o,".001 W .9 0 0 RGB S\n");
for(m=0;m<11;m++) for(n=2;n<10;n+=2)conto(o,g,w,v,X,Y,M,N, (m+.1*n),-q, q); fprintf(o,".001 W 0 0 .9 RGB S\n");
for(m=1;m<21;m++)  conto(o,f,w,v,X,Y,M,N, (0.-m),-p,p); fprintf(o,".003 W .9 0 0 RGB S\n");
for(m=1;m<121;m++)  conto(o,f,w,v,X,Y,M,N, (0.+m),-p,p); fprintf(o,".003 W 0 0 .9 RGB S\n");
                  conto(o,f,w,v,X,Y,M,N, (0.  ),-p,p); fprintf(o,".003 W .6 0 .6 RGB S\n");
for(m=-20;m<21;m++) conto(o,g,w,v,X,Y,M,N, (0.+m),-p,p); fprintf(o,".003 W 0 0 0 RGB S\n");
fprintf(o,"showpage\n%c%cTrailer",'%','%'); fclose(o);
      system("epstopdf filogm.eps");   
      system(    "open filogm.pdf"); //for mac
//    getchar(); system("killall Preview"); // for mac
}
// Copyleft 2013 by Dmitrii Kouznetsov
 
==[[Latex]] generator of labels]]

Latest revision as of 19:54, 11 March 2022

Summary

Importing file

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current19:54, 11 March 2022Thumbnail for version as of 19:54, 11 March 20224,359 × 2,989 (1.68 MB)Maintenance script (talk | contribs)== Summary == Importing file

The following page uses this file:

Metadata