if data.st(i) > sum(list4) Constraints = [Constraints, w1(i) == 0]; else Constraints = [Constraints, w1(i) == 1]; end在matlab调用yalmip时可以用吗
时间: 2024-03-09 15:51:50 浏览: 144
这段代码是在MATLAB中使用YALMIP定义约束条件的一部分。根据您提供的代码,这个约束条件的含义是:如果`data.st(i)`大于`list4`中所有元素的和,则`w1(i)`等于0;否则,`w1(i)`等于1。这个约束条件可以被编码为以下YALMIP代码:
```
if data.st(i) > sum(list4)
Constraints = [Constraints, w1(i) == 0];
else
Constraints = [Constraints, w1(i) == 1];
end
```
这个代码段的语法是正确的,并且可以在MATLAB中使用YALMIP来定义线性规划问题的约束条件。如果您还有其他的问题或需要更多的帮助,请随时告诉我。
相关问题
JPanel panel = new JPanel(new GridBagLayout()); GridBagConstraints constraints = new GridBagConstraints(); constraints.insets = new Insets(10, 10, 10, 10); JLabel usernameLabel = new JLabel("用户名:"); constraints.gridx = 0; constraints.gridy = 0; panel.add(usernameLabel, constraints); usernameField = new JTextField(20); constraints.gridx = 1; constraints.gridy = 0; panel.add(usernameField, constraints); JLabel passwordLabel = new JLabel("密码:"); constraints.gridx = 0; constraints.gridy = 1; panel.add(passwordLabel, constraints); passwordField = new JPasswordField(20); constraints.gridx = 1; constraints.gridy = 1; panel.add(passwordField, constraints); JLabel confirmPasswordLabel = new JLabel("确认密码:"); constraints.gridx = 0; constraints.gridy = 2; panel.add(confirmPasswordLabel, constraints); confirmPasswordField = new JPasswordField(20); constraints.gridx = 1; constraints.gridy = 2; panel.add(confirmPasswordField, constraints); JLabel phoneLabel = new JLabel("手机号:"); constraints.gridx = 0; constraints.gridy = 3; panel.add(phoneLabel, constraints); phoneField = new JTextField(20); constraints.gridx = 1; constraints.gridy = 3; panel.add(phoneField, constraints); JLabel genderLabel = new JLabel("性别:"); constraints.gridx = 0; constraints.gridy = 4; panel.add(genderLabel, constraints); maleButton = new JRadioButton("男"); femaleButton = new JRadioButton("女"); ButtonGroup genderGroup = new ButtonGroup(); genderGroup.add(maleButton); genderGroup.add(femaleButton); JPanel genderPanel = new JPanel(new FlowLayout()); genderPanel.add(maleButton); genderPanel.add(femaleButton); constraints.gridx = 1; constraints.gridy = 4; panel.add(genderPanel, constraints); registerButton = new JButton("注册"); constraints.gridx = 1; constraints.gridy = 5; panel.add(registerButton, constraints);提取成一个方法
可以将上述代码提取成一个方法,如下所示:
```java
public JPanel createRegistrationPanel() {
JPanel panel = new JPanel(new GridBagLayout());
GridBagConstraints constraints = new GridBagConstraints();
constraints.insets = new Insets(10, 10, 10, 10);
JLabel usernameLabel = new JLabel("用户名:");
constraints.gridx = 0;
constraints.gridy = 0;
panel.add(usernameLabel, constraints);
usernameField = new JTextField(20);
constraints.gridx = 1;
constraints.gridy = 0;
panel.add(usernameField, constraints);
JLabel passwordLabel = new JLabel("密码:");
constraints.gridx = 0;
constraints.gridy = 1;
panel.add(passwordLabel, constraints);
passwordField = new JPasswordField(20);
constraints.gridx = 1;
constraints.gridy = 1;
panel.add(passwordField, constraints);
JLabel confirmPasswordLabel = new JLabel("确认密码:");
constraints.gridx = 0;
constraints.gridy = 2;
panel.add(confirmPasswordLabel, constraints);
confirmPasswordField = new JPasswordField(20);
constraints.gridx = 1;
constraints.gridy = 2;
panel.add(confirmPasswordField, constraints);
JLabel phoneLabel = new JLabel("手机号:");
constraints.gridx = 0;
constraints.gridy = 3;
panel.add(phoneLabel, constraints);
phoneField = new JTextField(20);
constraints.gridx = 1;
constraints.gridy = 3;
panel.add(phoneField, constraints);
JLabel genderLabel = new JLabel("性别:");
constraints.gridx = 0;
constraints.gridy = 4;
panel.add(genderLabel, constraints);
maleButton = new JRadioButton("男");
femaleButton = new JRadioButton("女");
ButtonGroup genderGroup = new ButtonGroup();
genderGroup.add(maleButton);
genderGroup.add(femaleButton);
JPanel genderPanel = new JPanel(new FlowLayout());
genderPanel.add(maleButton);
genderPanel.add(femaleButton);
constraints.gridx = 1;
constraints.gridy = 4;
panel.add(genderPanel, constraints);
registerButton = new JButton("注册");
constraints.gridx = 1;
constraints.gridy = 5;
panel.add(registerButton, constraints);
return panel;
}
```
x_Iij_square=sdpvar(32,N,'full');%电流平方 x_ui_square=sdpvar(33,N,'full');%电压平方 x_pij=sdpvar(32,N,'full');%线路有功功率 x_qij=sdpvar(32,N,'full');%线路无功功率 x_Pdg=sdpvar(3,N,'full');%dg功率 u_Pdg=binvar(3,N,'full');%dg出力状态 x_Pil=sdpvar(2,N,'full');%切负荷功率 u_Pil=binvar(2,N,'full');%切负荷状态 x0_ug=binvar(3,N,'full');%机组启动 x0_vg=binvar(3,N,'full');%机组停止 x_R=sdpvar(1,N,'full');%备用负荷 %% 定义约束条件 Constraints=[]; P_dg=sdpvar(33,24,'full');%将dg出力情况放入对应的节点 for i=1:33 if i==7 Constraints=[Constraints,P_dg(i,:)==x_Pdg(1,:)]; elseif i==24 Constraints=[Constraints,P_dg(i,:)==x_Pdg(2,:)]; elseif i==25 Constraints=[Constraints,P_dg(i,:)==x_Pdg(3,:)]; else Constraints=[Constraints,P_dg(i,:)==0]; end end P_il=sdpvar(33,24,'full');%将IL合同约束放入对应的节点 for i=1:33 if i==8 Constraints=[Constraints,P_il(i,:)==x_Pil(1,:)]; elseif i==25 Constraints=[Constraints,P_il(i,:)==x_Pil(2,:)]; else Constraints=[Constraints,P_il(i,:)==0]; end end Constraints=[Constraints,x_ui_square(1,:)==12.66^2]; %平衡节点每小时电压平方 Constraints=[Constraints,x_Iij_square>=0]; % Constraints=[Constraints,x_pij(1,:)>=0]; %% 支路欧姆定律 for r=1:32 Constraints=[Constraints,x_ui_square(Branch(r,2),:)-... x_ui_square(Branch(r,3),:)+(r_ij(r)^2+x_ij(r)^2)*x_Iij_square(r,:)-... 2*(r_ij(r)*x_pij(r,:)+x_ij(r)*x_qij(r,:))==0]; end %dg爬坡约束 for t=1:23 for i=1:3 Constraints=[Constraints,x_Pdg(i,t+1)-x_Pdg(i,t)<=vup]; Constraints=[Constraints,x_Pdg(i,t)-x_Pdg(i,t+1)<=vdn]; end end %IL合同约束 Constraints=[Constraints,0<=x_Pil<=Pilmax.*u_Pil]; %dg最小启停时间约束 for i=1:3 Constraints=[Constraints,consequtiveON([onoffhistory(i,:) u_Pdg(i,:)],Tmup)]; Constraints=[Constraints,consequtiveON(1-[onoffhistory(i,:) u_Pdg(i,:)],Tmd)]; end for t=2:N%公式7这段代码什么意思
这段代码是一个优化问题的约束条件部分,其中包含了电流、电压、线路功率、发电机功率、切负荷功率、机组启停状态和备用负荷等变量的定义。具体地,这些变量是通过 SDPVAR 和 BINVAR 进行定义的,SDPVAR 是用于定义实数型的优化变量,而 BINVAR 是用于定义二进制型的优化变量。Constraints 数组则是用于存储各种约束条件的,例如 DG 爬坡约束、IL 合同约束等等。最后,for 循环部分是对第二个时间步以及之后的时间步应用了“公式 7”。具体公式是什么需要查看其他部分的代码才能确定。
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