Mercurial > hg > octave-lyh
changeset 17174:0e34c475c956
plotimages.m: Add axis labels and titles to plots in Manual.
* doc/interpreter/plotimages.m: Add axis labels and titles to plots in Manual.
author | Michael Godfrey <michaeldgodfrey@gmail.com> |
---|---|
date | Sat, 03 Aug 2013 17:12:33 -0700 |
parents | bb60b1bb47cf |
children | 0a761f218d8d |
files | doc/interpreter/plotimages.m |
diffstat | 1 files changed, 26 insertions(+), 5 deletions(-) [+] |
line wrap: on
line diff
--- a/doc/interpreter/plotimages.m +++ b/doc/interpreter/plotimages.m @@ -34,10 +34,16 @@ elseif (strcmp (nm, "plot")) x = -10:0.1:10; plot (x, sin (x)); + xlabel ("x"); + ylabel ("sin (x)"); + title ("Simple 2-D Plot"); print ([nm "." typ], d_typ); elseif (strcmp (nm, "hist")) rand ("state", 2); hist (randn (10000, 1), 30); + xlabel ("Value"); + ylabel ("Count"); + title ("Histogram of 10,000 normally distributed random numbers"); print ([nm "." typ], d_typ); elseif (strcmp (nm, "errorbar")) rand ("state", 2); @@ -47,9 +53,13 @@ yu = 0.1 .* rand (size (x)); errorbar (x, sin (x), yl, yu); axis ([0, 10, -1.1, 1.1]); + xlabel ("x"); + ylabel ("sin (x)"); + title ("Errorbar plot of sin (x)"); print ([nm "." typ], d_typ); elseif (strcmp (nm, "polar")) polar (0:0.1:10*pi, 0:0.1:10*pi); + title ("Example polar plot from 0 to 10*pi"); print ([nm "." typ], d_typ); elseif (strcmp (nm, "mesh")) tx = ty = linspace (-8, 8, 41)'; @@ -57,21 +67,32 @@ r = sqrt (xx .^ 2 + yy .^ 2) + eps; tz = sin (r) ./ r; mesh (tx, ty, tz); + xlabel ("tx"); + ylabel ("ty"); + zlabel ("tz"); + title ("3-D Sombrero plot"); print ([nm "." typ], d_typ); elseif (strcmp (nm, "plot3")) t = 0:0.1:10*pi; r = linspace (0, 1, numel (t)); z = linspace (0, 1, numel (t)); plot3 (r.*sin(t), r.*cos(t), z); + xlabel ("r.*sin (t)"); + ylabel ("r.*cos (t)"); + zlabel ("z"); + title ("plot3 display of 3-D helix"); print ([nm "." typ], d_typ); elseif (strcmp (nm, "extended")) x = 0:0.01:3; - plot(x,erf(x)); + plot (x,erf(x)); hold on; - plot(x,x,"r"); - axis([0, 3, 0, 1]); - text(0.65, 0.6175, ['\leftarrow x = {2/\surd\pi {\fontsize{16}', ... - '\int_{\fontsize{8}0}^{\fontsize{8}x}} e^{-t^2} dt} = 0.6175']); + plot (x,x,"r"); + axis ([0, 3, 0, 1]); + text (0.65, 0.6175, ['\leftarrow x = {2/\surd\pi {\fontsize{16}' \ + '\int_{\fontsize{8}0}^{\fontsize{8}x}} e^{-t^2} dt} = 0.6175']); + xlabel ("x"); + ylabel ("erf (x)"); + title ("erf (x) with text annotation"); print ([nm "." typ], d_typ); else error ("unrecognized plot requested");