15.3 Plotting with MATLAB 485
■Figure 15.18 MATLAB’s Text Property Editor.
plot(x,y),except it uses logarithmic axes. The command semilogx(x,y)or semi-
logy(x,y)creates a plot with base-10 logarithmic scales for either only thex-axis ory-axis.
Finally, it is worth noting that you can use the holdcommand to plot more than one set of
data on the same chart.
A reminder, when creating an engineering chart, whether you are using MATLAB,
Excel, other drawing software, or a free-hand drawing; an engineering chart must contain proper
labels with proper units for each axis. The chart must also contain a figure number
with a title explaining what the chart represents. If more than one set of data is plotted on
the same chart, the chart must also contain a legend or list showing symbols used for different
data sets.Copyright 2010 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s).圀圀圀⸀夀䄀娀䐀䄀一倀刀䔀匀匀⸀䌀伀䴀圀圀圀⸀夀䄀娀䐀䄀一倀刀䔀匀匀⸀䌀伀䴀