/sci/ - Science & Math » Thread #8842970

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Anonymous Fri 21 Apr 00:23:47 2017 No.8842970 View Reply Original Report

Quoted By: >>8842980 >>8843107 >>8843133

ITT: Post things your undergraduate STEM textbooks/ worksheets/ instructors say or do that trigger you.

>brainlets and geniuses alike, welcome welcome

Anonymous

Anonymous Fri 21 Apr 2017 00:30:02 No.8842980 Report

Quoted By: >>8842993

>>8842970
the mitochondria is the powerhouse of the cell

also math is useless in biology

Anonymous

Anonymous Fri 21 Apr 2017 00:41:06 No.8842993 Report

Quoted By:

>>8842980
>biology

Anonymous

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Anonymous Fri 21 Apr 2017 00:44:23 No.8843003 Report

Quoted By:

When the instructor or textbook arbitrarily introduces a new variable without defining it, especially if you are new to a subject.

Anonymous

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Anonymous Fri 21 Apr 2017 01:21:04 No.8843107 Report

Quoted By: >>8843110 >>8843132 >>8843133 >>8843802

>>8842970
where the fuck is the dot notation even used?
I've literally never seen it used by anybody

Anonymous

Anonymous Fri 21 Apr 2017 01:21:40 No.8843110 Report

Quoted By:

>>8843107
>>>/pol/

Anonymous

Anonymous Fri 21 Apr 2017 01:28:46 No.8843132 Report

Quoted By:

>>8843107
physics, ODEs, PDEs, etc

Anonymous

Anonymous Fri 21 Apr 2017 01:30:29 No.8843133 Report

Quoted By: >>8843388

>>8843107
when there's such a huge number of derivatives that you just can't afford to use notation for all of them

>>8842970
the best is clearly Df
if you want it in some direction then specify as subindex, D_i f

Anonymous

Anonymous Fri 21 Apr 2017 03:03:36 No.8843388 Report

Quoted By:

>>8843133
I use Df and dx/dt

Anonymous

Anonymous Fri 21 Apr 2017 08:27:41 No.8843802 Report

Quoted By: >>8843919

>>8843107
Engineering, dot notation is for time derivatives, if it's spatial just use dx/dy or what have you.

Anonymous

Anonymous Fri 21 Apr 2017 09:38:44 No.8843860 Report

Quoted By: >>8843906

>not using both x'(t) and (dx)/(dt)

Anonymous

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Anonymous Fri 21 Apr 2017 10:15:08 No.8843906 Report

Quoted By:

>>8843860

H Fri 21 Apr 2017 10:37:41 No.8843919 Report

Quoted By:

>>8843802
Same is true in physics.

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