Unit8 Lab B

# Unit8 Lab B - 6-A.14 function Prob6_A_14(a b plots...

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6-A.14 function Prob6_A_14(a, b) % plots specified math function in range (a, b) % INPUT: a, scalar, lower limit for range of function plot % b, scalar, upper limit for range of function plot % OUTPUT: none % generates a plot x = linspace(a,b); F = 1 ./ (x .* exp(-0.04./x)); plot(x, F, '-k') title('F(x) = 1 / (x * exp(-0.04/x))', 'FontSize', 16) xlabel('x', 'FontSize', 12) ylabel('F(x)', 'FontSize', 12) grid on % sample call % lower = 1; % upper = 2; % Prob6_A_14(lower, upper) 6-A.17 function Prob6_A_17 % plot G(x,y,z) = (z*exp(-0.3/x)) / (log(y)*sqrt(x)) % as 2D plots, % PLOT 1: var x in (0.1,4), y=5, z=3 % PLOT 2: var y in (2,4), x=0.8, z=3 % PLOT 3: var z in (0,4), with x=0.8, y=5 % INPUT: none % OUTPUT: none % generate a graph % sample call % Prob6_A_17 figure % generate plot 1 in a subplot subplot(3,1,1) x = linspace(0.1,4); y = 5; z = 3; G = (z*exp(-0.3./x)) ./ (log(y)*sqrt(x)); plot(x, G, '-r'), grid on title( 'G(x,y,z) = (z*exp(-0.3/x)) / (log(y)*sqrt(x))', 'FontSize', 14) xlabel('x') ylabel('G') disp('move cursor to graph to put label for constants') gtext('y = 5'), gtext('z = 3') disp('DONE') % generate plot 2 in a subplot subplot(3,1,2) x = 0.8; y = linspace(2,4); z = 3; G = (z*exp(-0.3/x)) ./ (log(y)*sqrt(x));

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plot(y, G, '-g'), grid on xlabel('y') ylabel('G') disp('move cursor to graph to put label for constants') gtext('x = 0.8'), gtext('z = 3') disp('DONE') % generate plot 3 in a subplot subplot(3,1,3) x = 0.8; y = 5; z = linspace(0,4); G = (z*exp(-0.3/x)) / (log(y)*sqrt(x)); plot(z, G, 'm'), grid on xlabel('z') ylabel('G') disp('move cursor to graph to put label for constants') gtext('x = 0.8'), gtext('y = 5')
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