Sistem Pendukung Keputusan
Perhitungan SAW
Simple Additive Weighting
Normalisasi, pembobotan, dan nilai preferensi
Benefit memakai Rij = Xij / Max(Xij), cost memakai Rij = Min(Xij) / Xij,
lalu Vi = sum(Wj x Rij).
Kriteria
Bobot Normalisasi
| Kode | Kriteria | Atribut | Wj |
|---|---|---|---|
| C1 | Harga | cost | 0,3000 |
| C2 | Rating | benefit | 0,1500 |
| C3 | RAM | benefit | 0,1500 |
| C4 | Storage | benefit | 0,1500 |
| C5 | Jumlah Core CPU | benefit | 0,1500 |
| C6 | GPU Type | benefit | 0,1000 |
Visual
Top 10 Ranking SAW
Langkah 1
Nilai Min/Max Tiap Kriteria
| Kriteria | Atribut | Min | Max |
|---|---|---|---|
| C1 - Harga | cost | 23.990,00 | 70.990,00 |
| C2 - Rating | benefit | 45,00 | 73,00 |
| C3 - RAM | benefit | 8,00 | 16,00 |
| C4 - Storage | benefit | 256,00 | 1.024,00 |
| C5 - Jumlah Core CPU | benefit | 2,00 | 12,00 |
| C6 - GPU Type | benefit | 1,00 | 2,00 |
Langkah 2 dan 3
Normalisasi dan Pembobotan Top 15
| Rank | Laptop | C1 Rij | C2 Rij | C3 Rij | C4 Rij | C5 Rij | C6 Rij | Vi |
|---|---|---|---|---|---|---|---|---|
| 1 |
tecno
Tecno Megabook T1 Laptop (11th Gen Core i7/ 16GB/ 1TB SSD/ Win11 Home)
|
0,6666 | 0,9178 | 1,0000 | 1,0000 | 0,3333 | 0,5000 | 0,73764 |
| 2 |
acer
Acer Extensa EX214-53 Laptop (12th Gen Core i5/ 8GB/ 512GB SSD/ Win...
|
0,5999 | 0,8493 | 0,5000 | 0,5000 | 1,0000 | 0,5000 | 0,65737 |
| 3 |
tecno
Tecno Megabook T1 Laptop (11th Gen Core i3/ 8GB/ 512GB SSD/ Win11 H...
|
1,0000 | 0,8630 | 0,5000 | 0,5000 | 0,1667 | 0,5000 | 0,65445 |
| 4 |
lenovo
Lenovo V15 82KDA01BIH Laptop (AMD Ryzen 3 5300U/ 8GB/ 512GB SSD/ Wi...
|
0,8394 | 0,8493 | 0,5000 | 0,5000 | 0,3333 | 0,5000 | 0,62922 |
| 5 |
hp
HP Victus 15-fb0157AX Gaming Laptop (AMD Ryzen 5 5600H/ 8GB/ 512GB ...
|
0,4695 | 1,0000 | 0,5000 | 0,5000 | 0,5000 | 1,0000 | 0,61584 |
| 6 |
apple
Apple MacBook Air 2020 MGND3HN Laptop (Apple M1/ 8GB/ 256GB SSD/ Ma...
|
0,3379 | 0,6164 | 0,5000 | 0,2500 | 0,6667 | 1,0000 | 0,50635 |
Langkah 4
Ranking Alternatif SAW
| Rank | Brand / Model | Harga | Rating | RAM | Storage | Core | GPU | Skor SAW |
|---|---|---|---|---|---|---|---|---|
| 1 |
tecno
Tecno Megabook T1 Laptop (11th Gen Core i7/ 16GB/ 1TB SSD/ Win11 Home)
|
Rp 35.990 | 67.00 | 16 GB | 1024 GB | 4 | 1 | 0,73764 |
| 2 |
acer
Acer Extensa EX214-53 Laptop (12th Gen Core i5/ 8GB/ 512GB SSD/ Win11 Home)
|
Rp 39.990 | 62.00 | 8 GB | 512 GB | 12 | 1 | 0,65737 |
| 3 |
tecno
Tecno Megabook T1 Laptop (11th Gen Core i3/ 8GB/ 512GB SSD/ Win11 Home)
|
Rp 23.990 | 63.00 | 8 GB | 512 GB | 2 | 1 | 0,65445 |
| 4 |
lenovo
Lenovo V15 82KDA01BIH Laptop (AMD Ryzen 3 5300U/ 8GB/ 512GB SSD/ Win11 Home)
|
Rp 28.580 | 62.00 | 8 GB | 512 GB | 4 | 1 | 0,62922 |
| 5 |
hp
HP Victus 15-fb0157AX Gaming Laptop (AMD Ryzen 5 5600H/ 8GB/ 512GB SSD/ Win...
|
Rp 51.100 | 73.00 | 8 GB | 512 GB | 6 | 2 | 0,61584 |
| 6 |
apple
Apple MacBook Air 2020 MGND3HN Laptop (Apple M1/ 8GB/ 256GB SSD/ MacOS)
|
Rp 70.990 | 45.00 | 8 GB | 256 GB | 8 | 2 | 0,50635 |