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Unformatted text preview: 6-A.2function Prob6_A_2(A)% use ezplot to graph sin(x)*exp(-0.1x) in [0, A*pi]% INPUT: A, a scalar number% OUTPUT: noneezplot('sin(x)*exp(-0.1*x)', [0, A*pi])6-A.3function Prob6_A_3% Graphiclly find the solutions to -2*x^2 + 5*x + 4% INPUTS: none% OUTPUTS: noneezplot('-2*x^2 + 5*x + 4')grid on% at this point the student would “zoom” the chart to better% show the roots - i.e. the zero-crossinggtext('lower root')gtext('upper root')6-A.7function x=Prob6_A_7(lower, upper)% uses ezplot to create a plot to find the value of cos(t)% when cosh(t)=3.% INPUTS: lower, a scalar, the lower limit of the range of t% upper, a scalar, upper limit on t% OUTPUTS: noneF1 = 'cos(t)'; F2 = 'cosh(t)';ezplot(F1, F2, [lower, upper])grid on% by experimentation, reasonable values for the lower and% upper are lower=pi/2 upper=pi/1.75[x,y]=ginput(1); % click on the curve where y=3% ginput returns both the x and y coordinates of the point....
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This homework help was uploaded on 03/30/2008 for the course CSE 131 taught by Professor Sticklen during the Spring '08 term at Michigan State University.
- Spring '08