/sci/ - Science & Math

Anonymous Sun Jan 3 21:58:09 2021 No.12542544 [View]
File: 72 KB, 1194x272, 1602035288223.png [View same] [iqdb] [saucenao] [google]

I'm trying to understand what is happening in the first part of the second line of this picture.

How does he make both of the first coefficients equal to 3?

https://jeremykun.com/2014/01/17/how-to-conquer-tensorphobia/

Anonymous Sun Jan 3 21:28:26 2021 No.12542460 [View]
File: 72 KB, 1194x272, 1594730757644.png [View same] [iqdb] [saucenao] [google]

Hello I don't understand what's happening in the first part of the second line in this picture. I don't get what happened to make both of the first coefficients to be 3 in both pairs. After both coefficients are 3 I can see how they're added.

https://jeremykun.com/2014/01/17/how-to-conquer-tensorphobia/

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/sci/ - Science & Math

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