swap sign sum & multiply castles
It is an easy problem, if you know the answer.
Given a square matrix of NxN ordinary numbers.
Initially place N identical indi...
9ヶ月 前
解決済み
Half-Swap
Given a vector with an even number of elements,
rearrange it so that the elements in its first
half are switched with those i...
9ヶ月 前
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Remove a specific character with another
Remove any (-) dash sign with (_) underscore
Ex = 'The-Journey-of-thoudsands-miles-starts-with-a-single-step'
y = 'The_Jour...
9ヶ月 前
解決済み
Swap between first and last
The idea is to swap between first and last row
Ex = [1 2 3 4 5;
1 2 3 4 5;
1 2 3 4 5;
1 2 3 4 5;
...
9ヶ月 前
解決済み
Swap between rows
The idea is to swap between second and second last row
Ex = [1 2 3 4 5;
5 4 3 2 1;
1 2 3 4 5;
1 2 3 4 5;
...
9ヶ月 前
解決済み
Flipping
Write code that can reverse the vector without using any sort of loop.
Example
Given the input vector
A = [ 1 2 3 4 5...
9ヶ月 前
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Flip the bit
Given an input character string (e.g. '1001'), return a character string with the bits flipped ('0110').
9ヶ月 前
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Flipping a Matrix
Flipping matrix up and down.
If a central row is exists, leave it, and flip remaining rows.
Example
Mat = magic(3)
...
9ヶ月 前
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Swap two numbers
Example
Input:
a = 10
b = 20
Output
a = 20
b = 10
9ヶ月 前
解決済み
Matlab Basics - Switching Assignments
Switch assignments for variables x and y, for example
start with x = 1 and y = 3
end with y = 1 and x = 3
Do NOT simply r...
9ヶ月 前
解決済み
Swap between columns
The idea is to swap between second and second last column
Ex = [1 2 3 4 5;
1 2 3 4 5;
1 2 3 4 5;
1 2 3 4 5;
...
9ヶ月 前
解決済み
Swap between first and last column
The idea is to swap between first and last column
Ex = [1 2 3 4 5;
1 2 3 4 5;
1 2 3 4 5;
1 2 3 4 5;
1 2 3 ...
9ヶ月 前
解決済み
Sum of series II
What is the sum of the following sequence:
Σ(2k-1)^2 for k=1...n
for different n?
9ヶ月 前
解決済み
Sum of series I
What is the sum of the following sequence:
Σ(2k-1) for k=1...n
for different n?
9ヶ月 前
解決済み
Sum of series
a(n) = n^2 - (n-1)^2
find the summation of the series upto n i.e.
a(1)+a(2)+...+a(n)
9ヶ月 前
解決済み
Solve a System of Linear Equations
Example:
If a system of linear equations in x₁ and x₂ is:
2x₁ + x₂ = 2
x₁ - 4 x₂ = 3
Then the coefficient matrix (A) is:
2 ...
10ヶ月 前
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Find the Oldest Person in a Room
Given two input vectors:
* |name| - user last names
* |age| - corresponding age of the person
Return the name of the ol...
10ヶ月 前
解決済み
Calculate Amount of Cake Frosting
Given two input variables r and h, which stand for the radius and height of a cake, calculate the surface area of the cake you n...