How do I optimize graph size?

조회 수: 2 (최근 30일)
Byungho
Byungho 2023년 11월 20일
댓글: Byungho 2023년 11월 20일
How do I optimize the black graph? I cannot display the red and blue graph because of the scale of the black graph. Is there any ways to shrink the only black graph and so that I can display three graph together properly. I need to use the maxium value of the black graph.
please, help me to make the proper graph.
Thank you.
  댓글 수: 1
Sam Chak
Sam Chak 2023년 11월 20일
Tfuel obviously has a larger amplitude compared to Twater and Tclad. Do you want to normalize them and plot all normalized sine waves on the same graph?
Also, what exactly do you mean by "I need to use the maximum value of the black graph"?

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채택된 답변

VBBV
VBBV 2023년 11월 20일
May be the change in coefficient for cosine function plotted in black color as shown below
z = -72:0.2:72;
hold on
Tb = 543.41+41.9*(1+sin(pi*z/144));
plot(z,Tb,'r','linewidth',2)
Tb = 543.41+41.9*(1+sin(pi*z/144))+48.86*(cos(pi*z/144));
plot(z,Tb,'b','linewidth',2)
Tb = 543.41+41.9*(1+sin(pi*z/144))+33.72*(cos(pi*z/144)); % may be this change
plot(z,Tb,'k','linewidth',2); grid; legend('Twater','Tclad','Tfuel','location','best')
  댓글 수: 2
VBBV
VBBV 2023년 11월 20일
if you want all the plots to compare together, an alternate way is to use subplot
z = -72:0.2:72;
subplot(211)
Tb = 543.41+41.9*(1+sin(pi*z/144));
plot(z,Tb,'r','linewidth',2); grid;
Tb = 543.41+41.9*(1+sin(pi*z/144))+48.86*(cos(pi*z/144));
hold on
plot(z,Tb,'b','linewidth',2)
Tb = 543.41+41.9*(1+sin(pi*z/144))+3372*(cos(pi*z/144)); % may be this change
legend('Twater','Tclad','location','best')
subplot(212)
plot(z,Tb,'k','linewidth',2); grid; legend('Tfuel','location','best')
Byungho
Byungho 2023년 11월 20일
Thanks, It works great.

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추가 답변 (1개)

Mathieu NOE
Mathieu NOE 2023년 11월 20일
hello
first idea would be to use a Y log scale so it would reduce the black curve peak and you would see better the blue and red curves
z = -72:0.2:72;
Tb = 543.41+41.9*(1+sin(pi*z/144));
Tc = 543.41+41.9*(1+sin(pi*z/144))+48.86*(cos(pi*z/144));
Tm = 543.41+41.9*(1+sin(pi*z/144))+3372*(cos(pi*z/144));
plot(z,Tb,'r',z,Tc,'b',z,Tm,'k','linewidth',2);
semilogy(z,Tb,'r',z,Tc,'b',z,Tm,'k','linewidth',2);
legend('Twater','Tclad','Tfuel','location','best')
otherwise you can try also to break the y axis in two separate parts :

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