How to create 3D numpy array? [duplicate]

Question

I am trying to create a 3D array with numpy with dimensions [282][282][256]. I have tried

np.zeros((282,282,256))

but this is not giving me the correct width and height. How do I create such an array that has 282 width and height, and each cell is an array of 256 elements?

Your instruction seems correct. Print the shape of your array and tell us what shape you were expecting. — armatita
– armatita, Commented Apr 9, 2018 at 12:52

user8190410 · Accepted Answer · 2018-04-09 12:58:01Z

2

your are doing it right

var = np.zeros((282,282,256),dtype=float)

but you will access the elements of array as below:

var[1,1,2] = 10
var[0,0,3] = 5

answered Apr 9, 2018 at 12:58

user8190410

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2 Comments

Shahrukh Azhar Over a year ago

if I type var[1,1,2], I am accessing 1st row 1st column, and the 2nd element in that cell's array ?

user8190410 Over a year ago

array indexing starts at 0, so you are accessing 2nd row, 2nd col and 3rd element

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