Plot wont show line

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Devin Downs
Devin Downs 2019-11-2
回答： Subhadeep Koley 2019-11-5
Im trying to plot these lines and it is just showing the point but not the lines for the plot any thoughts here is the code.
%output the Revenue and Total Cost plot
figure('color','w');
plot(y,Tcost,'r--','linewidth',3) ;
hold on
plot(y,revenue_cost_wpy,'linewidth',3) ;
hold on
plot(breakeven,'o k','Markerfacecolor','k');
grid on
title('Revenue and Total Cost')
xlabel('Number of Years (Y)')
ylabel('Revenue and Cost [$]')
%plot profit plot
figure('color','w')
plot(y, profit,'g-.','linewidth',2.5);
hold on
plot(breakeven,profit,'o k','Markerfacecolor','k')
grid on
title('Profit')
xlabel('Number of Years (Y)')
ylabel('Profit of the construction choice [$]')
legend('Profit','location','northwest')

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回答（1 个）

Subhadeep Koley
Subhadeep Koley 2019-11-5
Hi, it is difficult to provide an exact solution without your original data. However, when I executed your code with demo data, it is giving output as expected.
close all;clc;clear;
% Example data for test
y = 1:100;
Tcost = linspace(10,80,100);
revenue_cost_wpy = linspace(0,100,100);
profit = revenue_cost_wpy - Tcost;
breakeven = 32;
% Plotting
figure('color','w');
plot(y,Tcost,'r--','linewidth',3) ;
hold all;
plot(y,revenue_cost_wpy,'linewidth',3) ;
plot(y,breakeven,'o k','Markerfacecolor','k');
grid on;
title('Revenue and Total Cost');
xlabel('Number of Years (Y)');
ylabel('Revenue and Cost [$]');
legend({'Total Cost','Revenue','Breakeven'},'location','northwest');
figure('color','w');
plot(y, profit,'g-.','linewidth',2.5);
hold on;
plot(breakeven,profit,'o k','Markerfacecolor','k');
grid on;
title('Profit');
xlabel('Number of Years (Y)');
ylabel('Profit of the construction choice [$]');
legend('Profit','location','northwest');
hold off;
rev1.png rev2.png
Check whether these kind of output is expected or not.
Hope this helps!

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