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Computer Science Functions Discrete Mathematics Domains

10/21/14

Show that the function f: N * N - > N * N, f(x,y) = (x+y, 2x-3y) is one-to-one.

Show that the function f: N x N - > N x N, f(x,y) = (x+y, 2x-3y) is one-to-one.(A function f is said to be one -to -one , or injective , if and only if f ( a) = f ( b ) implies that a = b for... more

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Computer Science Extreme Point

10/12/14

Find extreme values!

y = 2/(x-2)^2 - (x). Find extreme values for this function (if there are any) and draw the function.

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Computer Science Computer Programming Complexity

09/20/14

big O complexity

for(int i = 0; i < 1; i++)for(int j = 0; j < 1; j++)a = i;what is the big O of this fragment code.i said it will be O(n2), but my teacher said it is O(n)for(int i = 0; i < n*n; i++)for(int... more

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Computer Science Computer Networking (computer) Computer Programming

06/04/14

What would be five different states through which ports on a switch running STP can transition.

Sorry for the many questions, only asking cause like I said in my previous question my knowledge is little in the networking field and any help would be much appreciated. How do you bypass the... more

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Computer Science

05/18/14

Write an assembly program that loads two numbers from memory, calculates their sum, and stores the sum to the memory.

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Computer Science Java Computer Programming

04/25/14

why would this show this error? and an example on how to fix it? i keep getting five of them

expectedprice = Integer.parseInt (inputprice); expected } cannot resolve synbol symbol ; method parseInt location : class homeloan moths = parseInt (Input Months) possible loss of... more

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Computer Science Discrete Math Computer Programming Discrete Mathematics

02/23/14

verify and explain

Let a = 67, b = 30, and n = 7 Verify and explain that (a-n)≡(mod b)

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Computer Science Computer Programming

02/03/14

Need help in a software engineering question

You have called into a software company as an independent consultant .In recent months, the quality of the software being sold has taken a distinct drop. You have been asked to identify ways in... more

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Computer Science

11/07/13

what problem would arise if two real time operating systems are made to be hosted atop a hypervisor resident atop a quad core processor based computing system

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