|
|
(44 intermediate revisions by the same user not shown) |
Line 2: |
Line 2: |
| size(216); | | size(216); |
| | | |
− | real e = 2.718281828459045235360287471352662497757247093699959574966967627724076630353;
| + | draw((0,10)--(0,0)--(10,0)); draw((5,10)--(0,0)--(10,5)); |
− | real pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286;
| + | label("$ct$",(0,10),N); label("$x$",(10,0),E); |
| + | label("$ct'$",(5,10),N); label("$x'$",(10,5),E); |
| | | |
− | xaxis("$v$",0,4);
| + | dot((0,3),blue); dot((3,6),blue); draw((0,3)--(3,6),blue); |
− | yaxis("$\gamma$",0,4);
| + | label("$ct_1$",(0,3),W,blue); label("$ct_2'$",(3,6),NW,blue); |
− | | |
− | real f(real x) { return 1/sqrt(1 - x^2/12.25); }
| |
− | | |
− | draw(graph(f,0,3.499)); draw((3.5,0)--(3.5,4),dashed);
| |
− | label("$0$",(0,0),W); label("$1$",(0,1),W); label("$c$",(3.5,0),S);
| |
− | | |
− | limits((-1,-1),(4,4),Crop);
| |
− | </asy>
| |
− | | |
− | <!-- 3D
| |
− | <asy>
| |
− | import graph3;
| |
− | import three;
| |
− | | |
− | size(288);
| |
− | | |
− | real e = 2.718281828459045235360287471352662497757247093699959574966967627724076630353;
| |
− | real pi = 3.141592653589793238462643383279502884197169399375105820974944592307816406286;
| |
− | | |
− | currentprojection=orthographic(3,-2,2);
| |
− | xaxis3("$z'$",0,5);
| |
− | yaxis3("$x'$",0,5);
| |
− | zaxis3("$y'$",0,5);
| |
− | | |
− | //real f(real x) { return 3 * (-1/x + 1/(2*x^2)); }
| |
− | //triple g(real t) { return (2 * cos(pi * t/180), 2 * sin(pi * t/180), 2.5); }
| |
− | //triple rot(real t) { return (0.2 * cos(pi * t/180), 0.2 * sin(pi * t/180), 4.5); }
| |
− | | |
− | draw((0,0,4)--(0,1,4),EndArrow3);
| |
− | label("$O'$",(0,0,0),W); label("$S'$",(0,-1,4),W); label("$v$",(0,1,4),NE); | |
| </asy> | | </asy> |
− | -->
| |