logscale

[John W. Eaton]

On 21-Apr-2000, BERTRAND =?iso-8859-1?Q?Jo=EBl?= <address@hidden> wrote:

| 
|     I try to use octave to plot Bode's diagrammes. The frequency
| (x) are in logarithm scale. I know how make logscale in
| Gnuplot, but with octave...
| 
|     I made :
| octave:6> gset logscale y
| ...
| octave:10> gshow logscale
| 
|         no logscaling
| ... !?!!
| octave:13> gset logscale x
| octave:14> gshow logscale
| 
|         logscaling x (base 10) only
| 
| octave:15> plot(y)
| 
| but the figure is plotted without logscale ! Where is the problem ?

The plot function turns off log scales.

Use semilogy instead of plot.

jwe



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