Compute Khinchin's constant
Khinchin's constant K_0 = 2.684542001... (also written "Khintchine's constant") has the amazing property that it is the limiting...
7ヶ月 前
解決済み
Compute the nth Pythagorean prime
Pythagorean primes have the form p = 4n+1, where n is an integer, and they can be written as the sum of squares of two integers....
Calculate the sum of two polynomials
Calculate the sum of two polynomials if they are written in notation with their coefficients.
example:
a=[3 4 5];
b=[...
7ヶ月 前
解決済み
Power supply: 230V to 115V
The problem is simple: we have a wall outlet which supplies 230V and an apparatus that requires 115V.
Software is always chea...
7ヶ月 前
解決済み
Mid-term report
You just got your mid-term report, but it's full of ones and twos :(. So before you give it to your parents, you change it, in o...
7ヶ月 前
解決済み
Simple Matrix
Make the following matrix without typing it in one by one.
[1 2 3;
2 4 6;
4 8 12]
x=[1 2 3].
7ヶ月 前
解決済み
Box
Give the volume of a box, x is equal to the body diagonal.
7ヶ月 前
解決済み
Problem for beginners
Suppose that x is a column vector, with at least a length of 6. Delete the 2., 6., and the second last row.
Example:
X=[1;2;3...
7ヶ月 前
解決済み
Problem for beginners
M is a nxm matrix. Swap the fist and the second last column with eachother.
X=[1 2 3;4 5 6;7 8 9]
Y=[2 1 3;5 4 6;8 7 9]
7ヶ月 前
解決済み
Stairs
Make an n by n matrix, where the elements are ones and zeros. In the main diagonal, and under that, there should be only ones (...
You can also select a web site from the following list:
How to Get Best Site Performance
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.