How to create matrices from a meshgrid function

'The scatter3 plot needs vectors, not matrices, but you can do that easily enough by using meshgrid to create the matrices and then creating vectors from them as RA(:), DEC(:) and A(:).'

Answer 1

[Azzi Abdelmalek]

a=1:0.1:10
b=1:0.1:10
[A,B]=meshgrid(a,b)
C=sin(A).*cos(B)   % Example
scatter3(A(:),B(:),C(:))

[jgillis16]

What if C accumarray([A+1, B+1], 1); but C gave the error that:

Error using accumarray Maximum variable size allowed by the program is exceeded.

but I need to have 'C(:)' for scatter3? How would I try to condense this variable?

[Azzi Abdelmalek]

What is C?

[jgillis16]

C = accumarray([A+1, B+1], 1);