matlab - Octave contourf how to specify the yticks? -


i have data plot contour. range of y values 0 24, when use command:

axis ([3.12,14.88,0,24]); [cc, hc] = contourf(x,y,z,[-1:0.1:1]);

however, in resulting figure y ranges 0 25: enter image description here

and values of x , y follows:

x =   columns 1 through 17:      3.1200    3.3600    3.6000    3.8400    4.0800    4.3200    4.5600    4.8000    5.0400    5.2800    5.5200    5.7600    6.0000    6.2400    6.4800    6.7200    6.9600   columns 18 through 34:      7.2000    7.4400    7.6800    7.9200    8.1600    8.4000    8.6400    8.8800    9.1200    9.3600    9.6000    9.8400   10.0800   10.3200   10.5600   10.8000   11.0400   columns 35 through 50:     11.2800   11.5200   11.7600   12.0000   12.2400   12.4800   12.7200   12.9600   13.2000   13.4400   13.6800   13.9200   14.1600   14.4000   14.6400   14.8800  y =      0    4    8   12   16   20   24

so problem. need plot of y same yticks above y values.

here's page mathworks discusses customizing tick spacing on axis: http://www.mathworks.com/support/solutions/en/data/1-15hxq/

i'm not sure you're asking, if want tick marks appear on 0,4 ..., 24, following snippet link above should help:

% set xtick integer values range 0.5 - 12.5 used

set(gca,'xtick',[1:12])


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