Given a vector of positive integers a (>=0); How does one create the matrix where the ith column contains the vector 1:a(i) possibly padded
in->a = [3 2 4];
out->b = [1 1 1;2 2 2;3 0 3;0 0 4];
yes of course. Leading solution:
function b = matInc(a)
[b aa] = ndgrid(1:max(a), a);
b(b > aa) = 0;
Project Euler: Problem 1, Multiples of 3 and 5
Back to basics 20 - singleton dimensions
Do Fast Fourier Transformation
06 - Matrix Equations 1
Perfect Square or not
Matrix which contains the values of an other matrix A at the given locations.
Duplicate each element of a vector.
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
First non-zero element in each column
Find the elements of a matrix according to a defined property.
Choose a web site to get translated content where available and see local events and offers. Based on your location, we recommend that you select: .
You can also select a web site from the following list:
Select the China site (in Chinese or English) for best site performance. Other MathWorks country sites are not optimized for visits from your location.
Contact your local office