Answered
Mixing loadlibrary and mex using same DLL
There is no interference other then that clearing/unloading the library requires clearing the mex file and unloading the library...

13 years ago | 0

Answered
Unable to load dll using loadlibrary
You will need to install 32 bit MATLAB on your machine. That is the only way to use a 32 bit dll.

13 years ago | 1

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Answered
Converting Matlab-struct to C-struct and access byte data
This is still a hack but you should be able to create one function in a dll that takes a void * and size as an input and returns...

13 years ago | 1

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Answered
Error ThunkLoadFailed when loading a dll in a compiled m-File
You need to add the thunk file to the executable produced. Use the -a option to mcc to include the thunk dll in the archive. L...

13 years ago | 1

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Answered
Executing the constructor of a handle object with or without semicolon
Your class has a display method which is called to display the variable "a" when the assignment is done without a semicolon. ...

14 years ago | 0

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Answered
loadlibrary and 64bit shared lib (DLL) on 64bit windows 7
When building the thunk file your header file must be able to compile standalone. Your header file needs mex.h as a prerequisit...

14 years ago | 0

Answered
Certain Fixed Array Length Syntax Not Supported by LOADLIBRARY
This is a bug in loadlibrary it should soon be on the system as bug report 814593. For now there are two possible workarounds...

14 years ago | 1

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Answered
I want the m-file of addheader function that loads the functions defined in the additional header file
There is no function or file addheader. The command should be: loadlibrary EnobioAPI.dll Enobio.h addheader EnobioAPI_glo...

14 years ago | 0

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Answered
How do I get a C++ structure 'behind' a libpointer?
Given: structs.struct_new.members=struct('u16_Depth', 'uint16', 'u16_Width', 'uint16', 'u16_Height', 'uint16', 'pu16_InData...

14 years ago | 0

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Solved

Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

14 years ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

14 years ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

14 years ago

Answered
There was an error loading the library
I suggest using <http://www.dependencywalker.com/ Dependency Walker> to profile the loadlibrary call. # Open .../bin/win64/matl...

14 years ago | 2

Answered
How to retrieve a BOOL type value returned from a .dll function
That function should not be returning a |lib.pointer| to MATLAB something went wrong loading the dll. What warnings were report...

14 years ago | 0

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Answered
Working with cstring datatypes in library function calls
Try using return values from your callib calls and let MATLAB do more of the work there is no need to do most of the data type c...

14 years ago | 0

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Answered
Big Problem/Bug with new matfile command for partial mat file read/writes - creates massivly bloated files.
For the same reasons that growing an array in memory is a bad idea growing an array in a matfile is not a good programming pract...

14 years ago | 0

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Answered
Use Fortran DLL in Matlab which has no header .h file
Best guess for your function is: void __stdcall MYMODEL(double * ModelInput, double * Control, double * TempProfile, doubl...

14 years ago | 1

Answered
Matlab problem with ext. library and large c++ structures
Provided you are properly handling the pointers in this structure the problem is probably caused by structure packing. If there...

14 years ago | 1

Answered
calllib crashes Matlab... no error given
The usual cause of a |calllib| call causing MATLAB to exit with no stack trace is the use of the wrong calling convention. |loa...

14 years ago | 1

Answered
Libpointers and multilevel pointers
calllib(DLL_Alias, 'functionTwo', TAval{1}) % for text1 Should work. Note that in your example you forgot |'functionTwo'...

14 years ago | 0

Answered
Advancing a structure pointer in calllib - shared library
If you are using R2009a or later then you can increment your pointer like so: nextDataBlock=sblptr+1; nextDataBlock=nex...

14 years ago | 0

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Answered
Accessing Matlab class data member and libpointer in interfaced C code
You need to use the function |mxGetProperty|. R2011a or later is required for this function to work properly, because of the typ...

14 years ago | 0

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Answered
C function returning an mxArray pointer
The rules are the same as for outputs returned via plhs in a mex file. In short: * To return an input a copy must be mad...

14 years ago | 0

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Answered
loadlibrary and calllib inside a C mex routine
One possible transitional approach is to turn your c code into a dll/mex file that can be used with both loadlibrary and called ...

14 years ago | 0

Answered
Mex dynamic memory management issue with std::vector in linked external DLL; Segmentation error
You are probably seeing an incompatibility between the stl library and or compiler options used by your pre-compiled dll and tho...

14 years ago | 2

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Answered
Problem passing large array between matlab and mex function
Your FORTRAN code is missing: #include "fintrf.h" At the beginning of the file. This header is needed when using |-larg...

14 years ago | 0

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Answered
DLL handle using libpointer
I believe you may have bumped into <http://www.mathworks.com/support/bugreports/585124 this bug> in R2109b. If you have trouble...

15 years ago | 0

Answered
Function with input an array of classes.
You have two common mistakes here: # MATLAB class methods require an explicit this input # obj.prop returns a comma separated l...

15 years ago | 1

Answered
Libpointer to enumerated structure class converts all numeric field data types to "double".
|loadlibrary/libstruct| respects the data types defined in the header file. What you are seeing is that the values are automa...

15 years ago | 0

Answered
Subsref question using braces '{}' type and a char subs
Your class needs a NUMEL function. A string is a matrix in MATLAB so classname{'foo'} is the same as calling classname{double('...

15 years ago | 1

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