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cvx_error!The second argument must be positive or negative semidefinite
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1
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6
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January 2, 2025
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What is the best way to deal with trace over trace function?
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1
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8
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December 31, 2024
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I am a beginner for CVX and I am trying to solve the below problems, however, I get a wrong message of " Cannot perform the operation norm( {mixed convex/constant}, 2 ),出错 UAV (第 196 行) s1_2=norm([1,x])-x;"
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8
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25
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December 27, 2024
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Promblem with the function vec
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3
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20
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December 26, 2024
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A problem about square norm in CVX
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9
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31
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December 26, 2024
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Error in cvx_end ?!
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13
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27
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December 24, 2024
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I'm currently trying to reproduce a convex optimization problem from a certain article, with the following code.However, I encounter this error when running the code at the third-to-last and fourth-to-last lines:Invalid constraint: {positive convex}=={1}
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2
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24
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December 24, 2024
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Problem about changing CVX solver
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1
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10
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December 23, 2024
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R_sum is complex; Disciplined convex programming error: Invalid quadratic form: product is complex
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3
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18
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December 23, 2024
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A question about cvx solver - mosek
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1
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14
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December 23, 2024
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Disciplined convex programming error: Cannot perform the operation {convex}*{convex}
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7
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16
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December 23, 2024
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A problem of using CVX SDP
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4
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32
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December 22, 2024
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The CVX optimization rate is negative
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6
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17
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December 22, 2024
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Can anyone help with Scaling issue(maybe
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7
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24
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December 19, 2024
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Infeasibility error for optimal control problem
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3
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11
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December 19, 2024
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A positive semidefinite constraint makes error in CVX
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5
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18
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December 18, 2024
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How to write this positive semidefinite constraint into CVX?
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1
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20
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December 14, 2024
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Asking for help：I don't know why the line of code cvx_end is giving an error; my CVX version is 2.2, so I would like to inquire about the reasons behind the occurrence of this issue
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2
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14
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December 13, 2024
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Ph.D. Thesis idea: Next generation of CVX or CVXPY which automatically figues out reformulations using "computer algebra" techniques
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8
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1039
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December 12, 2024
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Cannot perform the operation: {positive constant}./{concave}
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4
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11
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December 12, 2024
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This constraint is non-convex in CVX. Could you please tell me how to transform it into a convex one?
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4
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23
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December 12, 2024
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Ask for help: The expression trace(H_e1 * W1) results in a "not a square" error because H_e1 is a constant square matrix, while W1 is a variable matrix
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1
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13
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December 11, 2024
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There was an error when I asked for rk at the end, can you help me! Error message Disciplined convex programming error: Illegal operation: log( {convex} )
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1
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11
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December 11, 2024
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R = log(1+a/x), where x is a variable.How to correctly represent this in CVX?
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2
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20
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December 10, 2024
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trace(hk(:,a)*hk(:,a)'*w*w')How should the traces of this matrix be represented in CVX?
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3
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22
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December 9, 2024
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Cvx problem about trace operation
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4
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19
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December 6, 2024
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Differences between models implemented with cvxpy and pyomo
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4
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15
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December 5, 2024
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How to solve this convex problem using cvx matlab?
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2
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12
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December 5, 2024
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Ask for help:Why does the error occur in the third iteration?
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5
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13
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December 3, 2024
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Disciplined convex programming error: Invalid numeric values (NaNs) may not be used in CVX expressions.
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4
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27
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December 3, 2024
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