hold on producing separate graphs

1 vue (au cours des 30 derniers jours)
Lucy
Lucy le 11 Déc 2022
Modifié(e) : Voss le 13 Déc 2022
hold on
figure
x = I
y1 = 4*I.^20
hold on
plot(x,y1)
figure
x = I
y2 = 4*I.^1
hold on
plot(x,y2)
figure
x = I
y3 = 4*I.^0.3
hold on
plot (x,y3)
Here is my code for the three lines I want to plot on the same graph, however it is producing 3 separate graphs, I wondered how I can edit this to ensure it plots the three lines on one graph?
Thank you

Réponse acceptée

VBBV
VBBV le 11 Déc 2022
I = 1:10;
figure
x = I
x = 1×10
1 2 3 4 5 6 7 8 9 10
y1 = 4*I.^2
y1 = 1×10
4 16 36 64 100 144 196 256 324 400
hold on
plot(x,y1)
% figure
x = I
x = 1×10
1 2 3 4 5 6 7 8 9 10
y2 = 4*I.^1
y2 = 1×10
4 8 12 16 20 24 28 32 36 40
hold on
plot(x,y2)
% figure
x = I
x = 1×10
1 2 3 4 5 6 7 8 9 10
y3 = 4*I.^0.3
y3 = 1×10
4.0000 4.9246 5.5616 6.0629 6.4826 6.8471 7.1712 7.4643 7.7327 7.9810
hold on
plot (x,y3)
  2 commentaires
Lucy
Lucy le 11 Déc 2022
Perfect, thank you!
VBBV
VBBV le 11 Déc 2022
Its better to use subplot when you have values on lines which differ by significantly high
I = 1:10;
subplot(311)
x = I
x = 1×10
1 2 3 4 5 6 7 8 9 10
y1 = 4*I.^20 % this ^ 20 is huge number !
y1 = 1×10
1.0e+20 * 0.0000 0.0000 0.0000 0.0000 0.0000 0.0001 0.0032 0.0461 0.4863 4.0000
plot(x,y1)
y2 = 4*I.^1
y2 = 1×10
4 8 12 16 20 24 28 32 36 40
subplot(312)
plot(x,y2)
y3 = 4*I.^0.3
y3 = 1×10
4.0000 4.9246 5.5616 6.0629 6.4826 6.8471 7.1712 7.4643 7.7327 7.9810
subplot(313)
plot (x,y3)

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KALYAN ACHARJYA
KALYAN ACHARJYA le 11 Déc 2022
Modifié(e) : KALYAN ACHARJYA le 11 Déc 2022
Remove all "figure" statements, also one hold on is sufficient.
Same Figures:
x = I
y1 = 4*I.^20
hold on
plot(x,y1)
x = I
y2 = 4*I.^1
plot(x,y2)
x = I
y3 = 4*I.^0.3
plot (x,y3)

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