What Is the Minimum Value of y in the Given Expression?

The summary of the conversation is that we are trying to find a formula for a function of m and n, which is represented by \displaystyle\frac{m+n-18}{10}. This formula is used to calculate the number of integers for which y has a minimum value. The conversation also mentions that the expression for y has a global minimum at two adjacent integer points. In summary, the conversation is discussing the function \displaystyle\frac{m+n-18}{10}
  • #1
juantheron
247
1
If [tex]y = \mid x \mid+\mid x-1 \mid+\mid x-3 \mid+\mid x-6 \mid+...+\mid x-5151 \mid[/tex]and [tex]m =[/tex] no. of terms in the expression [tex]y[/tex]and [tex]n =[/tex] no. of integers for which [tex]y[/tex] has min. valueThen [tex]\displaystyle\frac{m+n-18}{10} =[/tex]
 
Physics news on Phys.org
  • #2
jacks said:
If [tex]y = \mid x \mid+\mid x-1 \mid+\mid x-3 \mid+\mid x-6 \mid+...+\mid x-5151 \mid[/tex]and [tex]m =[/tex] no. of terms in the expression [tex]y[/tex]and [tex]n =[/tex] no. of integers for which [tex]y[/tex] has min. valueThen [tex]\displaystyle\frac{m+n-18}{10} =[/tex]

Maybe it's me, but I find that incomprehensible.

For a start why is \(m\) not \(5152\)?

Do you mean \(n\) to be the number of integers corresponding to a local minima of \(y\)? You can show that there is a global minimum and it achived this at two adjacent integer points.

(the slope is -5152 for -ve \(x\), and increases by 2 when we pass a integer argument moving to the right ...)

CB
 
Last edited:

FAQ: What Is the Minimum Value of y in the Given Expression?

What is the definition of "finding the minimum value of y"?

Finding the minimum value of y refers to identifying the lowest possible numerical value of the dependent variable (y) in a given mathematical equation or data set.

Why is it important to find the minimum value of y?

Finding the minimum value of y is important because it can provide valuable insights into the behavior and trends of a system or function. It can also help in optimizing processes and making informed decisions.

What are the different methods for finding the minimum value of y?

The most common methods for finding the minimum value of y include using calculus techniques such as taking the derivative and setting it equal to 0, graphing the function and locating the lowest point, and using optimization algorithms.

What are the challenges in finding the minimum value of y?

The main challenges in finding the minimum value of y depend on the complexity of the function or data set. It can be difficult to accurately identify the minimum value if there are multiple variables or if the function is non-linear or discontinuous.

Can the minimum value of y be negative?

Yes, the minimum value of y can be negative if the function or data set allows for negative values. It is important to consider the context and meaning of the function when interpreting a negative minimum value of y.

Similar threads

Replies
11
Views
3K
Replies
3
Views
2K
Replies
2
Views
1K
Replies
1
Views
2K
Replies
3
Views
2K
Replies
1
Views
1K
Replies
10
Views
2K
Back
Top