Subplot error from two matrices

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James Wilson
James Wilson el 23 de Abr. de 2021
Editada: DGM el 23 de Abr. de 2021
I am trying to create a 4x2 subplot to show two functions on one subplot throughout the code, I copyed & pasted the code from the first line after I got it working, but I recieve the error: "Error in Generator (line 53) plot(x, usage(2:24), 'b', x, P_Energy(2:24), 'g');
I am pulling the information from plot from two 24x7 matrices.
Code:
P_Energy = Pan*Energy_WeatherAffect;
x = [1;2;3;4;5;6;7;8;9;10;11;12;13;14;15;16;17;18;19;20;21;22;23;24];
figure
subplot(4,2,1);
plot(x, usage(1:24), 'b', x, P_Energy(1:24), 'g');
xlabel('Hour')
ylabel('Energy Produced')
grid on
title('Day 1 Produced vs. Used')
subplot(4,2,2);
plot(x, usage(2:24), 'b', x, P_Energy(2:24), 'g');
xlabel('Hour')
ylabel('Energy Produced')
grid on
title('Day 2 Produced vs. Used')
subplot(4,2,3);
plot(x, usage(3:24), 'b', x, P_Energy(3:24), 'g');
xlabel('Hour')
ylabel('Energy Produced')
grid on
title('Day 3 Produced vs. Used')
subplot(4,2,4);
plot(x, usage(4:24), 'b', x, P_Energy(4:24), 'g');
xlabel('Hour')
ylabel('Energy Produced')
grid on
title('Day 4 Produced vs. Used')
subplot(4,2,5);
plot(x, usage(5:24), 'b', x, P_Energy(5:24), 'g');
xlabel('Hour')
ylabel('Energy Produced')
grid on
title('Day 5 Produced vs. Used')
subplot(4,2,6);
plot(x, usage(6:24), 'b', x, P_Energy(6:24), 'g');
xlabel('Hour')
ylabel('Energy Produced')
grid on
title('Day 6 Produced vs. Used')
subplot(4,2,7);
plot(x, usage(7:24), 'b', x, P_Energy(7:24), 'g');
xlabel('Hour')
ylabel('Energy Produced')
grid on
title('Day 1 Produced vs. Used')
legend('green solid is Energy Produced', 'blue solid is Energy Used')
  1 comentario
DGM
DGM el 23 de Abr. de 2021
Editada: DGM el 23 de Abr. de 2021
You're plotting
usage(2:24) % 23 element vector
against
x % 24 element vector
I don't think that's what you want to do. You said your arrays are 24x7, and you're plotting daily usage, so maybe you want to be plotting usage(:,2) vs x and usage(:,3) vs x, and so on.
When you do usage(1:24), it does work, but only accidentally. In this syntax, you're doing a linear index into the array instead of using two subscripts. Linear indices operate columnwise, so you're implicitly selecting the first column. It's just a coincidence that that's correct for your needs in this one case.

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Respuesta aceptada

James Wilson
James Wilson el 23 de Abr. de 2021
Nevermind, I released where I messed up the code my not doing (1:24,1) for each column I wanted to pull the information from causing the error.

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