Cody

Problem 44934. Plot Damped Sinusoid

Solution 2669960

Submitted on 9 Jul 2020 by Alethea Faye Cendaña
This solution is locked. To view this solution, you need to provide a solution of the same size or smaller.

Test Suite

Test Status Code Input and Output
1   Pass
clf; t = linspace(0,15,400); y = exp(-0.5*t).*cos(2*pi.*t); m = plot_cos(y, t); assert(abs(m - (-0.781239288889930)) <= 1e-4) h = findobj(gcf, 'Type', 'Line'); if length(h) == 2 assert(isequal([h.Color], [1 0 0 0 0 1]), 'Check plot colors') assert(strcmp([h.LineStyle], 'none--'), 'Check the line style') assert(strcmp([h.Marker],'*none'), 'Check marker type') assert(isequal([h.YData],[m, y]), 'Check plotted data') elseif length(h) == 1 assert(isequal([h.Color], [0 0 1]),'Check plot colors') assert(strcmp([h.LineStyle], '--'), 'Check the line style') assert(strcmp([h.Marker],'*'),'Check marker type') assert(isequal([h.YData],y),'Check plotted data' ) assert(isequal([h.MarkerEdgeColor], [1 0 0]),'Check plot colors') assert(isequal([h.MarkerIndices], 14),'Check marker location') elseif length(h)>2 error('There may be too many plots on the figure.') else error('No plot found.') end

  
2   Pass
clf; t = linspace(2,5,100); y = exp(-0.5*t).*cos(2*pi.*t); m = plot_cos(y, t); assert(abs(m - (-0.287376348726584)) <= 1e-4) h = findobj(gcf, 'Type', 'Line'); if length(h) == 2 assert(isequal([h.Color], [1 0 0 0 0 1]), 'Check plot colors') assert(strcmp([h.LineStyle], 'none--'), 'Check the line style') assert(strcmp([h.Marker],'*none'), 'Check marker type') assert(isequal([h.YData],[m, y]), 'Check plotted data') elseif length(h) == 1 assert(isequal([h.Color], [0 0 1]),'Check plot colors') assert(strcmp([h.LineStyle], '--'), 'Check the line style') assert(strcmp([h.Marker],'*'),'Check marker type') assert(isequal([h.YData],y),'Check plotted data' ) assert(isequal([h.MarkerEdgeColor], [1 0 0]),'Check plot colors') assert(isequal([h.MarkerIndices],17 ),'Check marker location') elseif length(h)>2 error('There may be too many plots on the figure.') else error('No plot found.') end

  

Suggested Problems

More from this Author13

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!