Sum of series VI
What is the sum of the following sequence:
Σk⋅k! for k=1...n
for different n?
4年以上 前
解決済み
Sum of series IV
What is the sum of the following sequence:
Σ(-1)^(k+1) (2k-1)^2 for k=1...n
for different n?
4年以上 前
解決済み
Sum of series III
What is the sum of the following sequence:
Σ(2k-1)^3 for k=1...n
for different n?
4年以上 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?
4年以上 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?
4年以上 前
解決済み
Sum of series VII
What is the sum of the following sequence:
Σ(km^k)/(k+m)! for k=1...n
for different n and m?
4年以上 前
解決済み
Remove NaN ?
input -> matrix (n*m) with at least one element equal to NaN;
output -> matrix(p*m), the same matrix where we deleted the enti...
4年以上 前
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Remove the air bubbles
Given a matrix a, return a matrix b in which all the zeros have "bubbled" to the top. That is, any zeros in a given column shoul...
4年以上 前
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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1.
Examp...
4年以上 前
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~~~~~~~ WAVE ~~~~~~~~~
|The WAVE generator|
Once upon a time there was a river. 'Sum' was passing by the river. He saw the water of the river that w...
4年以上 前
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Draw 'B'
Draw a x-by-x matrix 'B' using 1 and 0. (x is odd and bigger than 4)
Example:
x=5
ans=
[1 1 1 1 0
1 0 0 0 1
...
4年以上 前
解決済み
Draw a 'N'!
Given n as input, generate a n-by-n matrix 'N' using 0 and 1 .
Example:
n=5
ans=
[1 0 0 0 1
1 1 0 0 1
1 0 ...
4年以上 前
解決済み
Draw 'C'.
Given x as input, generate a x-by-x matrix 'C' using 0 and 1.
example:
x=4
ans=
[0 1 1 1
1 0 0 0
...
4年以上 前
解決済み
Draw 'H'
Draw a x-by-x matrix 'H' using 1 and 0. (x is odd and bigger than 2)
Example:
x=5
ans=
[1 0 0 0 1
1 0 0 0 1
...
4年以上 前
解決済み
Draw 'J'
Given n as input, generate a n-by-n matrix 'J' using 0 and 1 .
Example:
n=5
ans=
[0 0 0 0 1
0 0 0 0 1
0 0 ...
4年以上 前
解決済み
Draw a 'X'!
Given n as input Draw a 'X' in a n-by-n matrix.
example:
n=3
y=[1 0 1
0 1 0
1 0 1]
n=4
y=[1 0 0...
4年以上 前
解決済み
Draw 'E'
Draw a x-by-x matrix 'E' using 1 and 0. (x is odd and bigger than 4)
Example:
x=5
ans=
[1 1 1 1 1
1 0 0 0 0
...