Project Euler: Problem 5, Smallest multiple
2520 is the smallest number that can be divided by each of the numbers from 1 to 10 without any remainder.
What is the smalle...
Project Euler: Problem 7, Nth prime
By listing the first six prime numbers: 2, 3, 5, 7, 11, and 13, we can see that the 6th prime is 13.
What is the Nth prime numb...
Sum of series VI
What is the sum of the following sequence:
Σk⋅k! for k=1...n
for different n?
2年以上 前
解決済み
Sum of series V
What is the sum of the following sequence:
Σk(k+1) for k=1...n
for different n?
2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?
2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?
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?
2年以上 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 ...