Mathc initiation/Fichiers h : c77a4

Sommaire

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Les fonctions trigonométriques de bases avec gnuplot

Remarque : Les fonctions trigonométriques sont périodiques. J'ai essayé de ne dessiner qu'une seule période.

Contrôler votre graphe :

# ---------------------
#
#  linetype  | lt <0..8>   (color)
#  linewidth | lw <1..6>   (size)
#
#  set zeroaxis lt 3 lw 1  (set axis)
#
#  set size ratio -1       
#
# ---------------------

Dessinons cos(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

set size ratio -1

plot [-pi/2.:3./2.*pi] [-1:1]\
     cos(x) lt 8 lw  1
     
reset
# ---------------------

Dessinons sin(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

set size ratio -1

plot [-0.:2*pi] [-1:1]\
     sin(x) lt 8 lw  1
     
reset
# ---------------------

Dessinons tan(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

set size ratio -1

plot [-pi/2.:pi/2.] [-3:3]\
     tan(x) lt 8 lw  1
     
reset
# ---------------------

Dessinons cot(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

set size ratio -1

plot [-0.:pi] [-3:3]\
     cos(x)/sin(x) lt 8 lw  1
     
reset
# ---------------------

Dessinons sec(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

#set size ratio -1

plot [-pi/2.:3./2.*pi] [-6:6]\
     1./cos(x) lt 8 lw  1
     
reset
# ---------------------

Dessinons csc(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

#set size ratio -1

plot [-0.:2*pi] [-6:6]\
     1./sin(x) lt 8 lw  1
     
reset
# ---------------------

Dessinons acos(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

set size ratio -1

plot [-1.:1.] [-.5:pi]\
     acos(x) lt 8 lw  1
     
reset
# ---------------------

Dessinons asin(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

set size ratio -1

plot [-1.:1.] [-pi/2.:pi/2.]\
     asin(x) lt 8 lw  1
     
reset
# ---------------------

Dessinons atan(x) :

# ---------------------
# Copy and past this file into the screen of gnuplot
#
set zeroaxis lt 3 lw 1

set size ratio -1

plot [-3:3] [-pi/2.:pi/2.]\
     atan(x) lt 8 lw  1
     
reset
# ---------------------