Mathematical / Scientific Symbols for Min Max [closed] - math

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What are the accurate mathematical or scientific symbols to represent MIN and MAX? Thank you

you can use something like this:
max(f(x))=k

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Integral Coefficients [closed]

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I am reviewing a proof at the moment and there is terminology that I do not understand. What does it mean for a polynomial to have "integral coefficients"?
"Integral coefficients" means that the coefficients of your final answer will be integers, unless there is a markedly different context in which the question is being asked.
You can have a look at the definition here.

what is the time complexity of T(n)= 3T(n/2) + n^2? [closed]

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I tried using recursive tree method.
and got a geometric series.
That follows :
kn^2(1+ (3/2) +(3/2)^2 +...+(3/2)^b)
The sum = a(r^m -1)/r-1.
b = log n.
Then what to do I got confused.
Have you heard of the Master's Theorem? Your example is a relatively simple subcase (no logarithms). The result is:
T = Theta(n^2)

Hex - how many in the series 000 through to FFF? [closed]

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I am trying to find out how many combinations are possible for 000 through to FFF under hex format? thanks
There are 16 choices for each of the 3 digits, so:
16*16*16 = 4096

Find maximum of two variables in R [closed]

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I have this R code, and i want to assign to the Max Variable the maximum value of A and B
, would be something like :
Max<-(A,B)
How can i do it in R?
I searched but i couldn't find a max function.
Thanks
The function is literally max:
Max <- max(A, B)

How to replace vector occurring numbers? [closed]

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Let's say I have a vector of 10 elements called numbers in R
numbers <- c(0,1,1,1,0,0,1,0,1,0)
and I want to replace each occurrence of 1 to 5?
this should work
v[v==1]<-5

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