Help with creating artificial image

Hello.

I want to create an artificial "slanted" image and currently use excel to enter a series of 0's and 1's.

the example in the image is what I want to try and achieve in Matlab however, I want the following parameters:

w = 60
step = 10
H = 300

Answer 1

[Guillaume]

imresize(triu(ones(30, 60)), [300, 60], 'nearest')

is probably the simplest

[Jason]

Thankyou