Remove element(s) from cell array
You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....
5年弱 前
解決済み
Natural numbers in string form
Create a cell array of strings containing the first n natural numbers. _Slightly_ harder than it seems like it should be.
Ex...
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
...
5年弱 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
...
5年弱 前
解決済み
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.
Thank you <http:/...