return Nothing from matlab dll in vb.net

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Abdullah Yaquot 2019-7-28

I tried to solve this and did not get it, the problem that

I have a MatLab DLL file with a function looks like this

[tmin, mawp,sigma,tmin_c,tmin_l,segma_c,segma_l] = cylindrical(a,b,c,d,e,f)

I did reference the dll and the mwarray dll,

when I call the MatLab's obj to the function it returns nothing,

and if I use an index to map the array it gives an invalid index error.

I am sorry if I didn't make myself clear, but I hope the code will.

this is vb.net program uses Matlab function to calculate some values,

I tried to make the output as an array using ToArray function

but it didn't work I tried so many things but I am stuck here guys,

appreciate your help

code

===========

'after importing dlls

Dim matlab As MAWP_CYL = New MAWP_CYL() 'this to matlab obj

Dim result = matlab .Cylindrical(1,1,1,1,1,1).ToArray()

'using any numbers

'here result have nothing when debugging,

=============================================

the result has nothing, not an array or any form of lists.

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