KwickClips Artificial Intelligence · 41 sec · free
Do we multiply matrices place by place?
Short answer. No. Row times column.
What does addition need?
The same order.
Two rules
| Operation | Condition | How |
|---|---|---|
| Add | same order | same place |
| Multiply | cols = rows | row x column |
Remember
| Add matching elements |
| Multiply row by column |
Do we multiply matrices place by place? No. Here are the rules. Addition needs the same order, then add matching places. Multiplication needs columns equal to rows, then row times column. Add matching elements. Multiply row by column.
This clip is from the full lesson: Matrices for AI — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Artificial Intelligence (417), CBSE Class 11 Artificial Intelligence (843), CBSE Class 12 Artificial Intelligence (843)
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