Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17.
Find the sum of all the primes below the input, N.
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Fibonacci-Sum of Squares
Given the Fibonacci sequence defined by the following recursive relation,
* F(n) = F(n-1) + F(n-2)
* where F(1) = 1 and F(1)...
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 ...
3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...
3年以上 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
...
3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 ...
3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 ...
3年以上 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=...
3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
...
3年以上 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
...
3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
...
3年以上 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]
3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
...
3年以上 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
...
3年以上 前
解決済み
Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...
4年弱 前
解決済み
MATLAB Basic: rounding IV
Do rounding towards plus infinity.
Example: -8.8, answer -8
+8.1 answer 9
+8.50 answer 9
4年弱 前
解決済み
MATLAB Basic: rounding III
Do rounding towards minus infinity.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 8
4年弱 前
解決済み
MATLAB Basic: rounding II
Do rounding nearest integer.
Example: -8.8, answer -9
+8.1 answer 8
+8.50 answer 9