Chap2_difference_eq_sol

# Chap2_difference_eq_sol - ’n’ ylabel ’y[n]’ y(1:5 c...

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% a) a=.5; b=[0 2]; n = 0:30; y0 = 0; x0 = 0; x = zeros(size(n)); x(1) = 1; y=recur(a,b,n,x,x0,y0); subplot(221),stem(n,y) title( ’1a)’ ) xlabel( ’n’ ) ylabel( ’y[n]’ ) y(1:5) % displays y for n=0 to 5, used to double-check hand answers % b) a=2; b=[0 2]; n = 0:30; y0 = 0; x0 = 0; x = zeros(size(n)); x(1) = 1; y=recur(a,b,n,x,x0,y0); subplot(222),stem(n,y) title( ’1b)’ ) xlabel(
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Unformatted text preview: ’n’ ) ylabel( ’y[n]’ ) y(1:5) % c) a=[1.2 .32]; b = [1 -1]; y0 = [1 2]; x0 = 0; x = ones(size(n)); y=recur(a,b,n,x,x0,y0); subplot(223),stem(n,y) title( ’1c)’ ) xlabel( ’n’ ) ylabel( ’y[n]’ ) y(1:5) 10 20 30-1 1 2 1a) n y[n] 10 20 30-1.5-1-0.5 0.5 1 x 10 9 1b) n 10 20 30-2-1 1 2 1c) n...
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Chap2_difference_eq_sol - ’n’ ylabel ’y[n]’ y(1:5 c...

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