Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...
約2年 前
解決済み
Draw 'I'
Given n as input, draw a n-by-n matrix 'I' using 0 and 1.
example:
n=3
ans=
[0 1 0
0 1 0
0 1 0]
n=...
約2年 前
解決済み
Draw 'O' !
Given n as input, generate a n-by-n matrix 'O' using 0 and 1 .
example:
n=4
ans=
[1 1 1 1
1 0 0 1
...
約2年 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 ...
約2年 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...
約2年 前
解決済み
Draw a 'Z'.
Given _n_ as input, generate a n-by-n matrix like 'Z' by _0_ and _1_ .
Example:
n=5
ans=
[1 1 1 1 1
0 0 0 1 ...
約2年 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 ...
約2年 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
...
約2年 前
解決済み
Draw 'F'
Draw a x-by-x matrix 'F' 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
...
約2年 前
解決済み
Draw 'D'.
Draw a x-by-x matrix 'D' using 0 and 1.
example:
x=4
ans=
[1 1 1 0
1 0 0 1
1 0 0 1
1 1 1 0]
約2年 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
...
約2年 前
解決済み
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
...
約2年 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?
2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?
Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody.
Given an input matrix, generate an output matrix that consists o...