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January 7th, 2017, 03:55 AM  #1 
Newbie Joined: Mar 2016 From: UK Posts: 20 Thanks: 1  Expressing Coefficient of Variable
Hello, I was wondering how I might express a coefficient of a variable? For example: $\displaystyle 3s^2$ I might say in words "the coefficient of s squared is 3", but if I'm writing it down, I can't say: $\displaystyle s^2=3$. Therefore, is there a symbol that I can use to express a coefficient? Kind Regards Edward 
January 7th, 2017, 04:57 AM  #2 
Senior Member Joined: Sep 2015 From: USA Posts: 1,660 Thanks: 844 
what's wrong with just writing $3 s^2$ ?

January 7th, 2017, 05:36 AM  #3 
Newbie Joined: Mar 2016 From: UK Posts: 20 Thanks: 1 
@romsek, I have written it like this in the equations, but when I'm explaining figures and referring back to equations, I wanted to know if there was a symbol I could use or if I had to explicitly state it in words?

January 7th, 2017, 05:54 AM  #4 
Global Moderator Joined: Dec 2006 Posts: 18,250 Thanks: 1439 
I don't know of any standard symbol for "the coefficient of", but you could use the phrase "the coefficient of" or something similar. If there are a small number of constant coefficients, you might use "a", "b", "c", etc., for them.


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