PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

Plots of square wave approximations using harmonics

0.8

0.6

0.2

0

−0.2

−0.4

−0.6

−0.8

0.4

Amplitude

0 0.5^1 1.5^2 2.5 3 3.5^4

time (in sec)

COLOR FIGURE 4.31

Plots of part d of Example 4.1.

Harmonic components of a sawtooth wave

0.4

0.3

0.2

0.1

−0.1

−0.2

−0.3

−0.4

0

Amplitude

0 0.5 1 1.5^2 2.5^3 3.5^4

time (in sec)

COLOR FIGURE 4.34

Plots of part b of Example 4.2.

CRC_47760_COLPLA.indd 5CRC_47760_COLPLA.indd 5 7/18/2008 5:34:24 PM7/18/2008 5:34:24 PM