PRACTICAL MATLAB® FOR ENGINEERS PRACTICAL MATLAB

186 Practical MATLAB® Applications for Engineers

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iR2 =

5*exp(-t)

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iR5 =

2*exp(-2/5*t)

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FIGURE 2.87
Transient voltage plots across R of Example 2.25.

0 0.5 1 1.5 2 2.5 3

0

1

2

3

4

5

6

7

8

9

10

11

time t/sec

Voltages across R, for R = 1, 2, and 5

voltage

R = 1 ohm

R = 2 ohms

R = 5 ohms

FIGURE 2.86
Transient voltage plots across C of Example 2.25.

0

0

1

2

3

4

5

6

voltage

7

8

9

10

11

0.5 1 1.5

time t/sec

2 2.5 3

Voltage across C for R = 1, 2, and 5

R = 1 ohms

R = 2 ohms

R = 5 ohms