How to argue that if we could solve the halting problem, then we could solve busy beaver? 
Category : Careers & Job Searching 
This is one of the tasks of my assignment. I have a Turing machine
simulation which can simulate a busy beaver function. I have done some
research about proving this problem, but still don't get it so I guess
maybe you can help me here. A good source for me to go to or example of
how to argue this would be good.
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Mathematica Solve can't solve simple overdetermined problems 
Category : Web Design 
I have a set of equations I'm trying to solve which are overdetermined
but consistent. The are 9 equations and 3 unknowns, the left hand side of
the equations are displayed here in a matrix: The
variables are eta1, eta2 and eta3. If I choose values for eta13 say
The the nine equations take values: And if I give Solve t
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How to Solve for Both X & Y 
Category : Education 
Solving for two variables (normally denoted as "x" and "y") requires two
sets of equations. Assuming you have two equations, the best way for
solving for both variables is to use the substitution method, which
involves solving for one variable as far as possible, then plugging it back
in to the other equation. Knowing how to solve a system of equations with
two variables is important for several a
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How to Solve for X on a TI83 
Category : Hobbies, Games & Toys 
X on a pirate map stands for the spot where a treasure has been buried. X
in a mathematical equation is a variable that represents an answer to the
equation. This variable, when you have found its value, makes the equation
true when you use that value in place of the variable itself. Finding the
value of x on a TI83 is easy. It may not be the same as finding buried
treasure, but mathematicians ar
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How to Solve for X 
Category : Education 
Algebra can be scary at first. Suddenly instead of just numbers, you are
dealing with letters in math class! One of the first things you'll need to
do in algebra is learn to solve for x.Difficulty:Moderately
EasyInstructions Things You'll Need Paper Pencil Math Problems
that need solving! Solving for x can sound scary but
it's not! When you see x in an equation, it'
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Is it possible to solve this? 
Category : Programming Languages 
Recently I encountered this puzzle : int main(){
int arr[7]; int b,c,d,a; a=4;
printf("%d",arr[?]); return 0; }
The
question is to Replace "?" with a integer so that output is 4. I am not
sure but I don't think this is solvable in a standard way ?! (Not invoking
Undefined Behavior or depending on implement
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How to Solve for X With Two X's 
Category : Education 
In algebra, "x" is a variable customarily used in equations. But "x" isn't
the only variable  a variable is defined as any alphabetic letter that
represents a yetunknown quantity. Other common variables include a, b, c
and y. Solving equations with two variables can be challenging, as it
requires multiple steps as well as essential algebraic background
knowledge. For instance, you must be famil
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How to solve δ(A,01) for this DFA? 
Category : Web Design 
Consider the DFA :
What will be δ(A,01) equal to ? options: A) {D} B) {C,D} C) {B,C,D}
D) {A,B,C,D}
The correct answer is option B)
but I don't get how. Please some one explain me the steps to solve it and
also in general how do we solve sit for any DFA and any transition? Thanks.
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How to Solve RPM 
Category : Careers & Job Searching 
A wheel's RPMs describe its angular speed in rotations per minute. This
measurement is related to but distinct from the wheel's linear speed, which
is easier to record. The linear speed is the wheel's velocity along the
ground in units such as miles per hour. A smaller wheel needs to rotate
more quickly to move forward at a set linear speed. You can judge the
wheel's size most easily from its radi
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How can i solve this? : 
Category : Web Design 
Given an undirected weighted graph G = (V,E). Each vertex represents a
city and the weight of an edge connected a and b is the number of years
that it will take to finish building a high speed route between city a and
city b. Describe an algorithm that will find the least number of years
before one can travel between any two cities in the graph. The routes
are being built simultaneously, s
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