Förberedande kurs i matematik 1

Versionen från 23 mars 2008 kl. 09.20 (redigera) Tek (Diskussion | bidrag) (Ny sida: <noinclude>Detta är en figur som används i teoriavsnitt 4.4 och är ritad i språket [http://en.wikipedia.org/wiki/Metapost Metapost]. Du kan redigera b...) ← Gå till föregående ändring		Nuvarande version (23 mars 2008 kl. 09.49) (redigera) (ogör) Tek (Diskussion | bidrag)
Rad 61:		Rad 61:
	dy := dx; % vertical distance between grid lines		dy := dx; % vertical distance between grid lines
-	Lx_lft := 4*dx+2pt; % Length of the left-hand part of the x-axis	+	Lx_lft := 5*dx+2pt; % Length of the left-hand part of the x-axis
-	Lx_rt := 4*dx+2pt; % Length of the right-hand part of the x-axis	+	Lx_rt := 5*dx+2pt; % Length of the right-hand part of the x-axis
-	Ly_lwr := 4*dy+4pt; % Length of the lower part of the y-axis	+	Ly_lwr := 5*dy+4pt; % Length of the lower part of the y-axis
-	Ly_upr := 4*dy+4pt; % Length of the upper part of the y-axis	+	Ly_upr := 5*dy+4pt; % Length of the upper part of the y-axis
	ahangle := 30; % Angle of the arrow tip		ahangle := 30; % Angle of the arrow tip
Rad 108:		Rad 108:
	% The circle		% The circle
	path p_circle;		path p_circle;
-	R := 3;	+	R := 4;
	p_circle := (0,-R*dy){right}		p_circle := (0,-R*dy){right}
	for theta=-70 step 20 until 250:		for theta=-70 step 20 until 250:
Rad 115:		Rad 115:
	..cycle;		..cycle;
	s := xpart (p_circle intersectiontimes ((0,0.1dy)--(Lx_rt,0.1dy)));		s := xpart (p_circle intersectiontimes ((0,0.1dy)--(Lx_rt,0.1dy)));
-	t := xpart (p_circle intersectiontimes ((0,1.1dy)--(Lx_rt,1.1dy)));	+	t := xpart (p_circle intersectiontimes ((0,1.5dy)--(Lx_rt,1.5dy)));
	pickup pencircle scaled 0.6pt;		pickup pencircle scaled 0.6pt;
	draw subpath(0,s) of p_circle withcolor lightblue;		draw subpath(0,s) of p_circle withcolor lightblue;
Rad 126:		Rad 126:
	picture p_lab;		picture p_lab;
	p_lab := thelabel.rt(btex $y=\tfrac{1}{2}$ etex, origin);		p_lab := thelabel.rt(btex $y=\tfrac{1}{2}$ etex, origin);
-	draw p_lab scaled 0.7 shifted ((R+1)*dx,0.5*R*dy);	+	draw p_lab scaled 1.0 shifted ((R+1)*dx,0.5*R*dy);
	% The radius		% The radius
Rad 138:		Rad 138:
	% The pi/6 angle		% The pi/6 angle
	path p_angle;		path p_angle;
-	r := 1.5;	+	r := 1.7;
	p_angle := (r*dx,0){up}		p_angle := (r*dx,0){up}
	for theta=5 step 5 until 30:		for theta=5 step 5 until 30:
Rad 149:		Rad 149:
	picture p_lab;		picture p_lab;
	p_lab := thelabel.urt(btex $\pi/6$ etex, origin);		p_lab := thelabel.urt(btex $\pi/6$ etex, origin);
-	draw p_lab scaled 0.7 shifted (r*dx,-1pt);	+	draw p_lab scaled 1.0 shifted (r*dx+2pt,-1pt);
	% Save the image		% Save the image
Rad 157:		Rad 157:
	% The circle		% The circle
	path p_circle;		path p_circle;
-	R := 3;	+	R := 4;
	p_circle := (0,-R*dy){right}		p_circle := (0,-R*dy){right}
	for theta=-70 step 20 until 250:		for theta=-70 step 20 until 250:
Rad 163:		Rad 163:
	endfor		endfor
	..cycle;		..cycle;
-	s := xpart (p_circle intersectiontimes ((-Lx_lft,0.9dy)--(0,0.9dy)));	+	s := xpart (p_circle intersectiontimes ((-Lx_lft,1.3dy)--(0,1.3dy)));
	t := xpart (p_circle intersectiontimes ((-Lx_lft,0.1dy)--(0,0.1dy)));		t := xpart (p_circle intersectiontimes ((-Lx_lft,0.1dy)--(0,0.1dy)));
	pickup pencircle scaled 0.6pt;		pickup pencircle scaled 0.6pt;
Rad 175:		Rad 175:
	picture p_lab;		picture p_lab;
	p_lab := thelabel.rt(btex $y=\tfrac{1}{2}$ etex, origin);		p_lab := thelabel.rt(btex $y=\tfrac{1}{2}$ etex, origin);
-	draw p_lab scaled 0.7 shifted ((R+1)*dx,0.5*R*dy);	+	draw p_lab scaled 1.0 shifted ((R+1)*dx,0.5*R*dy);
	% The radius		% The radius
Rad 187:		Rad 187:
	% The -pi/6 angle		% The -pi/6 angle
	path p_angle;		path p_angle;
-	r := 1.5;	+	r := 1.7;
	p_angle := (-r*dx,0){up}		p_angle := (-r*dx,0){up}
	for theta=175 step -5 until 150:		for theta=175 step -5 until 150:
Rad 198:		Rad 198:
	picture p_lab;		picture p_lab;
	p_lab := thelabel.ulft(btex $-\pi/6$ etex, origin);		p_lab := thelabel.ulft(btex $-\pi/6$ etex, origin);
-	draw p_lab scaled 0.7 shifted (-r*dx-1pt,-1pt);	+	draw p_lab scaled 1.0 shifted (-r*dx-4pt,-1pt);
	% Save the image		% Save the image

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Nuvarande version

Detta är en figur som används i teoriavsnitt 4.4 och är ritad i språket Metapost. Du kan redigera bilden genom att klicka på redigera-fliken.