/sci/ - Science & Math » Thread #10857435

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Anonymous Fri 02 Aug 14:50:59 2019 No.10857435 View Reply Original Report

Quoted By: >>10857862 >>10857864 >>10857955

>Using card(A) instead of |A|

Anonymous

Anonymous Fri 02 Aug 2019 16:57:23 No.10857792 Report

Quoted By: >>10857807

Why is |A| used so much tho. Absolute value of a real number, modulus of a complex number, length of a vector, cardinality of a set, determinant of a matrix... that's too much

Anonymous

Anonymous Fri 02 Aug 2019 17:02:19 No.10857807 Report

Quoted By: >>10857843

>>10857792
>absolute value of a real number
>modulus of a complex number
Same same.
>lenth of a vector
That's || ||
>determinant
I just use det A.

Anonymous

Anonymous Fri 02 Aug 2019 17:16:19 No.10857843 Report

Quoted By:

>>10857807
Yeah ok
>thats || ||
Welp ppl do that for 2d vectors... but thats the same as complex numbers i guess?

Anonymous

Anonymous Fri 02 Aug 2019 17:20:06 No.10857862 Report

Quoted By:

>>10857435
Theres literally nothing wrong with Card(A). I prefer it but nobody uses it much so I guess you win OP.

Anonymous

Anonymous Fri 02 Aug 2019 17:20:15 No.10857864 Report

Quoted By:

>>10857435
Fuck 300year old notations. We really need to change this.

Anonymous

Anonymous Fri 02 Aug 2019 17:45:30 No.10857955 Report

Quoted By:

>>10857435
Real niggas use #A

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