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Aug 3, 2025
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Update README.md #970

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13 changes: 12 additions & 1 deletion README.md
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Expand Up @@ -2287,20 +2287,24 @@ In cell **K2**, enter:
=SUMPRODUCT(B2:D4, G2:I4)
```

<br>

This formula multiplies each assignment by its cost and sums the total.


<br>


#### [.4](): Add Row and Column Sums for Constraints
#### [1.4](): Add Row and Column Sums for Constraints

#### [Row Sums]() (Each Task Assigned Once):

- In **J2**: `=SUM(G2:I2)`
- In **J3**: `=SUM(G3:I3)`
- In **J4**: `=SUM(G4:I4)`

<br>

#### [Column Sums]() (Each Machine Assigned Once):

- In **G5**: `=SUM(G2:G4)`
Expand All @@ -2312,17 +2316,24 @@ This formula multiplies each assignment by its cost and sums the total.

### [Step 2](): Configure Excel Solver

<br>

1. **Go to**: Data > Solver

2. **Set Objective**:
- Set **K2** (total cost) to **Minimize**.

3. **By Changing Variable Cells**:
- Select **G2:I4**.

4. **Add Constraints**:
- **J2:J4 = 1** (each task assigned once)
- **G5:I5 = 1** (each machine assigned once)
- **G2:I4 = binary** (only 0 or 1 allowed)

5. **Choose Solving Method**:
- Use "Simplex LP" or "GRG Nonlinear" (either works for this size).

6. **Click Solve**.

<br>
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