Förberedande kurs i matematik 1

Versionen från 23 mars 2008 kl. 08.54 (redigera) Tek (Diskussion | bidrag) (Ny sida: <noinclude>Detta är en figur som används i teoriavsnitt 4.3 och är ritad i språket [http://en.wikipedia.org/wiki/Metapost Metapost]. Du kan redigera bild...) ← Gå till föregående ändring		Nuvarande version (23 mars 2008 kl. 14.47) (redigera) (ogör) Tek (Diskussion | bidrag)
Rad 117:		Rad 117:
	drawarrow (-Lx_lft,0)--(Lx_rt,0);		drawarrow (-Lx_lft,0)--(Lx_rt,0);
	label.rt(btex \small\strut $x$ etex, (Lx_rt,0));		label.rt(btex \small\strut $x$ etex, (Lx_rt,0));
-	draw (0,-Ly_lwr)--(0,2.1dy);	+	draw (0,-Ly_lwr)--(0,2.9dy);
-	draw (0,2.1dy)--(0,2.9dy) withcolor 0.7[lightgrey,white];	+	draw (0,2.9dy)--(0,3.8dy) withcolor 0.7[lightgrey,white];
-	drawarrow (0,2.9dy)--(0,Ly_upr);	+	drawarrow (0,3.8dy)--(0,Ly_upr);
	label.top(btex \small\strut $y$ etex, (0,Ly_upr));		label.top(btex \small\strut $y$ etex, (0,Ly_upr));
Rad 143:		Rad 143:
	pickup pencircle scaled 0.6pt;		pickup pencircle scaled 0.6pt;
	p_radius := (0,0)--R*2dx*(dir (90-v));		p_radius := (0,0)--R*2dx*(dir (90-v));
-	draw p_radius withcolor lightgrey dashed evenly;	+	draw p_radius dashed evenly;
	pickup pencircle scaled 2.8pt;		pickup pencircle scaled 2.8pt;
-	drawdot point infinity of p_radius withcolor lightgrey;	+	drawdot point infinity of p_radius;
	% The angle v		% The angle v
	path p_angle;		path p_angle;
-	r := 1.0;	+	r := 1.3;
	ahangle := 20; % Angle of the arrow tip		ahangle := 20; % Angle of the arrow tip
	ahlength := 3bp; % Length of the arrow tip		ahlength := 3bp; % Length of the arrow tip
Rad 161:		Rad 161:
	picture p;		picture p;
	p := thelabel.urt(btex $v$ etex, origin);		p := thelabel.urt(btex $v$ etex, origin);
-	draw p scaled 0.7 shifted ((r*2dx*(dir 0))+(1pt,0));	+	draw p scaled 1.0 shifted ((r*2dx*(dir 0))+(1pt,0));
	% The angle -v		% The angle -v
	path p_angle;		path p_angle;
-	r := 1.0;	+	r := 1.3;
	ahangle := 20; % Angle of the arrow tip		ahangle := 20; % Angle of the arrow tip
	ahlength := 3bp; % Length of the arrow tip		ahlength := 3bp; % Length of the arrow tip
Rad 174:		Rad 174:
	..{dir (90-v-90)}r*2dx*(dir (90-v));		..{dir (90-v-90)}r*2dx*(dir (90-v));
	pickup pencircle scaled 0.2pt;		pickup pencircle scaled 0.2pt;
-	drawarrow endshy p_angle withcolor lightgrey;	+	drawarrow endshy p_angle;
	picture p;		picture p;
	p := thelabel.top(btex $-v\phantom{-}$ etex, origin);		p := thelabel.top(btex $-v\phantom{-}$ etex, origin);
-	draw p scaled 0.7 shifted (r*2dx*(dir 80));	+	draw p scaled 1.0 shifted (r*2dx*(dir 80));
	% The dashed line		% The dashed line
	path p_dashed;		path p_dashed;
	p_dashed := (R+1)*2dx*(dir (45+180))--origin--(R+1)*2dx*(dir 45);		p_dashed := (R+1)*2dx*(dir (45+180))--origin--(R+1)*2dx*(dir 45);
-	s := arctime 3.1*dx of subpath(1,2) of p_dashed;	+	draw p_dashed dashed evenly scaled 0.5;
-	s := s+1;	+
-	t := arctime 3.9*dx of subpath(1,2) of p_dashed;	+
-	t := t+1;	+
-	draw subpath(0,s) of p_dashed dashed evenly;	+
-	draw subpath(s,t) of p_dashed dashed evenly shifted (2bp,0)	+
-	withcolor 0.7[lightgrey,white];	+
-	draw subpath(t,2) of p_dashed dashed evenly;	+
-		+
-	% The double arrow	+
-	pickup pencircle scaled 0.4pt;	+
-	reflectarrow(2.6dx*(dir 45),(1,1));	+
	% Rescale the image		% Rescale the image

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Nuvarande version

Detta är en figur som används i teoriavsnitt 4.3 och är ritad i språket Metapost. Du kan redigera bilden genom att klicka på redigera-fliken.