# Chenhui Qu

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## アクティビティの概要

Chenhui Quさんの最近のアクティビティ
• Chenhui Quさんが投稿を作成しました:

### Query Regarding Different Objective Values with Varying Warm Start Solutions in MIQCP

回答済み

Dear All, I am currently working on solving a mixed-integer quadratically constrained programming (MIQCP) problem using Gurobi, and I have encountered an issue that I need your assistance with. Whe...

• Chenhui Quさんが投稿を作成しました:

### Optimal Solution Discrepancy Between Convex and Non-Convex Models

回答済み

Hi, I am working with two models (one convex and one non-convex) that address the same problem but are constructed differently. Both models obtained their respective optimal solutions, with the con...

• Chenhui Quさんがコメントを作成しました:

Hi Jaromił, Thank you very much for your support!! Best wishes, Chenhui

• Chenhui Quさんがコメントを作成しました:

Hi Jaromił, Thank you for your reply! This is the constraint which I suppose is  a soc constraint: I transformed this constraint into the following form for input into GUROBI: Here is the corresp...

• Chenhui Quさんがコメントを作成しました:

Dear Jaromił, Thank you very much for your suggestion! I recently modified the model and found that the main issue was that I should use inequalities. Your advice was very helpful! However, I have ...

• Chenhui Quさんが投稿を作成しました:

### Inquiry Regarding Better Solutions Found Using Warm Start for Linearized MIQCP Model

ユーザーの入力を待っています。

Dear All, I am currently working on solving a Mixed-Integer Quadratically Constrained Program (MIQCP) and have opted to linearize the model for solving purposes. However, I have encountered an issu...

• Chenhui Quさんが投稿を作成しました:

### Gurobi Solver Incorrectly Identifying Non-Convex MIQCP in a SOCP Model

回答済み

Hi, I am encountering an issue with Gurobi where it incorrectly identifies my model as a non-convex MIQCP. However, I am certain that my model only contains second-order cone (SOCP) constraints, wh...