Asked by priya
on 8 Jun 2011

dimensions of X and Y are as given below

X = 1X89000 Y = 1X 89000

[uxmesh, uymesh] = meshgrid(X,Y);

would you please tell me what is wrong in the above statements? Whenever I execute the above statements, MATLAB keeps crashing..

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Answer by Matt Fig
on 8 Jun 2011

Are you running out of memory? Why not tell us what prompted you to ask the question???

There is nothing syntactically wrong with the statement. However, you better have

8*2*89000^2 bytes (read: LOTS!!) of free memory, assuming X and Y are doubles...

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Walter Roberson
on 8 Jun 2011

Current versions of interp2() do not require meshgrid(). The documentation says (at least as of 2008b):

XI and YI can be matrices, in which case interp2 returns the values of Z corresponding to the points (XI(i,j),YI(i,j)). Alternatively, you can pass in the row and column vectors xi and yi, respectively. In this case, interp2 interprets these vectors as if you issued the command meshgrid(xi,yi).

Answer by Walter Roberson
on 8 Jun 2011

Are X and Y vectors? If so, then the above should work, but only if you have enough memory: 89000 x 89000 double precision numbers requires between 59 and 60 gigabytes.

Opportunities for recent engineering grads.

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