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Create the following matrix A.
By writing one command and using the colon to address
(a) Create a six-element row
(b) Create a three-element column vector named hb that contains the elements of the sixth column of A.
(c) Create a five-element row vector named hc that contains the first two elements of the third row of A and the last three element of the first row of A.
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Chapter 2 Solutions
MATLAB: An Introduction with Applications
- 2. If the Ce value in Fig. 11-7 is changed to 0.1 μF, is the output still a PWM waveform? Explain. C₁ 0.014 C₂ 100 R₁ 300 HF 8 Vcc 4 reset output 3 discharge 7 2 trigger 5 control voltage U₁ LM555 6 threshold GND ODUCT R₂ 10k ww Bo +12 V 22 R3 1k VR 5k www Re 300 C5 100 ww 8 Vcc 4 reset output 3 2 trigger 7 discharge ли R7 10k PWM Output threshold C6 -0.014 5 control voltage GND Rs 2k CA U2 LM555 1 100μ C3 0.01 Audio lutput Fig. 11-7 Pulse width modulatorarrow_forwardPROD 1. What is the function of VR, in Figs. 11-2 and 11-7. DL RO 0.014 +12V R₁ 1k ww Vin(+) 6 C₁ 0.1μ Audio input HH VRI Vin(-) 4 U1 HА741 10k ww R2 10k UCTS 0.01 μ -12V PWM output Fig. 11-2 The pulse width modulator based on μA741 +12 V ° C₂ 100 R₁ 300 Re 300 Cs 100 ww ww Vcc 4 reset 2 trigger 5 control voltage U₁ LM555 GND www R₂ T₁ 10k output 3 discharge Z Voc output 3 reset VR₁ 5k 2 trigger 7 discharge Ra 1k threshold 6 control 6 threshold voltage GND Rs CA U2 LM555 1 2k 100 Ca 0.01 Audio lutput www R7 10k O PWM C6 -0.014 Fig. 11-7 Pulse width modulator 11/9 Outputarrow_forwardPRO3. In a point of view of voltage polarity, what is the difference between the output PWM signals in experiments 11-1 and 11-2? H ICTS Experiment 11-1.. Pulse Width Modulator Using uA741 Experiment 11-2 Pulse Width Modulator Using LM555arrow_forward
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- Figure 9.58 For Prob. 9.51. 9.52 If V. =8/30° V in the circuit of Fig. 9.59, find I¸. Is 4 10 Ω Figure 9.59 For Prob. 9.52. www -j5Q 5 Ω ww j5Q Voarrow_forward9.64 Find ZT and I in the circuit in Fig. 9.71. 30/90° V 492 www 602 www N ZT (+) Figure 9.71 For Prob. 9.64. -j10 18 Ωarrow_forward(b) 10 i dt + +6i(t) = 5 cos(5t + 22°) A dt 9.26 The loop equation for a series RLC circuit gives di+2i+ [ i dt = cos 21 A Assuming that the value of the integral at t=-00 is zero, find i(t) using the phasor method. 50 Figure 9arrow_forward
Power System Analysis and Design (MindTap Course ...Electrical EngineeringISBN:9781305632134Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. SarmaPublisher:Cengage Learning