struct to restrict curve in max problem

Question

Atom 2024-6-7

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2126516-struct-to-restrict-curve-in-max-problem

评论： Voss 2024-6-7

采纳的回答： Voss

H_LC(1).mat

在 MATLAB Online 中打开

I have to keep the blue curve for a=1.617915e-01 (black broken line) to a=1.619728e-01. There's a small segment of the curve near the black vertical line that is unwanted. How can I remove it?

clear all

warning off

format long

set(0,'DefaultAxesFontSize',20);

figure;

load('H_LC(1).mat');

dim=2; %number of variables of my system which are x and y

MM=max(x(1:dim:end-2,:));

plot(x(end,:),MM,'b', 'LineWidth',2);

xlabel('$a\rightarrow$','FontSize',20,'interpreter','latex','FontWeight','normal','Color','k');

ylabel('$b\rightarrow$','FontSize',20,'interpreter','latex','FontWeight','normal','Color','k');

hold on; xline(1.617915e-01,'k--', 'LineWidth',1);

axis([.16175 .1621 .3 1]);

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Answer 1

Voss 2024-6-7

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2126516-struct-to-restrict-curve-in-max-problem#answer_1468956

在 MATLAB Online 中打开

H_LC(1).mat

warning off

format long

set(0,'DefaultAxesFontSize',20);

figure;

load('H_LC(1).mat');

dim=2; %number of variables of my system which are x and y

MM=max(x(1:dim:end-2,:));

[~,idx] = min(x(end,:));

plot(x(end,1:idx),MM(1:idx),'b', 'LineWidth',2);

xlabel('$a\rightarrow$','FontSize',20,'interpreter','latex','FontWeight','normal','Color','k');

ylabel('$b\rightarrow$','FontSize',20,'interpreter','latex','FontWeight','normal','Color','k');

hold on; xline(1.617915e-01,'k--', 'LineWidth',1);

axis([.16175 .1621 .3 1]);

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Atom 2024-6-7

编辑：Atom 2024-6-7

在 MATLAB Online 中打开

Thank you. However, I'm having trouble with the second part of the problem. Specifically, I can't handle the lines after load('H_LC(2).mat') in the code below;. I am unable to load H_LC(2).mat because the file size is too large to load. I can explain it better with a figure. In the attached figure '11.jpg', I used the second part of the code to generate it. I also don't want to keep the lower part of the curve that you plotted.

warning off
format long
set(0,'DefaultAxesFontSize',20);
figure;
load('H_LC(1).mat');
dim=2; %number of variables of my system which are x and y
MM=max(x(1:dim:end-2,:));
a=0.1617915;
[~,idx] = min(abs(x(end,:)-a)); % index of the element of x(end,:) nearest to a
plot(x(end,1:idx),MM(1:idx),'b', 'LineWidth',2);
xlabel('$a\rightarrow$','FontSize',20,'interpreter','latex','FontWeight','normal','Color','k');
ylabel('$b\rightarrow$','FontSize',20,'interpreter','latex','FontWeight','normal','Color','k');
hold on; xline(a,'k--', 'LineWidth',1);
axis([.16175 .1621 .3 1]);
hold on
load('H_LC(2).mat');
dim=2; %number of variables of my system which are x and y
MMM=max(x(1:dim:end-2,:));
plot(x(end,:),MMM,'r', 'LineWidth',2); % RED

Atom 2024-6-7

Thank you so much. I am extremely grateful. Countless thanks.

Voss 2024-6-7

You're welcome!

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struct to restrict curve in max problem

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