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semilogplot

  

semi-logarithmic plot of functions where the horizontal axis has a logarithmic scale

 

Calling Sequence

Parameters

Description

Examples

Calling Sequence

semilogplot(f, h, v, options)

Parameters

f

-

function(s) to be plotted

h

-

horizontal range

v

-

(optional) vertical range

options

-

(optional) options as described in plot/options

Description

• 

The semilogplot command creates a 2-D plot where the horizontal axis has a logarithmic scale.  The horizontal range must be given in a call to semilogplot.

• 

The semilogplot command provides support for 2-D log plots of one or more functions specified as expressions, procedures, or lists of points.  See plot/function for more information on the different input forms.

• 

The horizontal and vertical range arguments h and v define the axis labels and the range over which the function(s) are displayed. They take one of the following forms: string, low..hi, or string=low..hi, where low and hi are real constants. See plot/range for further information.

• 

Remaining arguments are interpreted as options which are specified as equations of the form option = value. These options are the same as for those found with the plot command. See plot/option for more information.

• 

An alternative method for creating a two-dimensional plot where the horizontal axis has a logarithmic scale is to use the plot command with the axis option.

Examples

withplots:

semilogplotlog10x,x=1..10

semilogplotcosx+sinx,x=1..2π

Reproduce the above plots using the operator form of input.

semilogplotxlog10x,1..10

semilogplotcos+sin,1..π

Plot multiple curves.

semilogplotx2sinx,x2cosx,1..10

Display logarithmic gridlines along the horizontal axis.

semilogplotlog10x,x=1..10,axis1=gridlines

See Also

plot

plot/axis

plot/function

plot/option

plot/range

plots[loglogplot]

plots[logplot]