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Alexander Bottema

Last seen: 1 year ago |  Active since 2011

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(matlab coder)How should the coder::array member function set convert opencv's mat type to its type in-place?
The issue here is that MATLAB (and MATLAB Coder) uses column-major format for matrices. This means the first dimension is the on...

1 year ago | 0

Answered
Coder: Does not allocate output structure
Hi Roger, The parts you wish to interact with for the generated code must be related to the entry points of the compiled func...

10 years ago | 0

Answered
how to call a custom C-mex from an Embedded MATLAB Function block in a Simulink model?
Hi yuan, There are multiple problems in your example, so I'll enumerate the changes I've made. First it is odd to call a M...

10 years ago | 0

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Answered
I'm trying to do simple averaging in Simulink and need some help with it.
function y = my_average(u) %# codegen persistent i buf bufSum; if isempty(buf) buf = zeros(1,50); bufSum =...

13 years ago | 1

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Answered
What does this error message mean - No class precondition specified for input 'x' of function 'square'.
The error is given because you're trying to generate C code (which we later will automatically compile to a MEX function) for a ...

13 years ago | 2

Answered
Matlab Coder and Ceval
There's a serious flaw in the example given. C uses NUL character for string termination, therefore you need to do: format...

13 years ago | 1

Answered
Coder and passing extra parameters
Hello Joseph, Could you show us the 'codegen' command you're using to compile your code with? You need to use '-globals' to s...

13 years ago | 0

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Answered
Specifying inputs/outputs for C-code functions generated from MATLAB m-code using emlc as pass-by-reference
To force call-by-reference for the top-level function you declare every input also as output. Suppose you have the following ...

13 years ago | 3

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Answered
Running Matlab Algorithim in Simulink
Hello David-Linus, The first error you see tells you to declare functions coder.extrinsic() because the particular MATLAB fun...

13 years ago | 0

Answered
Problem with matlab function block in simulink real time windows traget
Hello Zakariah, First, external mode (rtw mode) requires code generation. Second, anything you declare with 'coder.extrins...

13 years ago | 0

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Answered
Building portable MEX files
Hi Tobias, Do you know what DLLs are missing? When you say that you try to run it on a different system, does this mean that M...

13 years ago | 0

Answered
serial port access and code generation errors
This is a bad error message (and has been fixed for later releases). The issue here is that the 'serial' function is not support...

13 years ago | 0

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Answered
Any trick to generate MEX functions for Linux by using Matlab Coder in Windows?
Even if you managed to rewrite the generated makefiles for Linux you cannot in general expect MEX code generated in a later vers...

13 years ago | 1

Answered
MATLAB Coder demo - "Atoms" Simulation
Yes, you're correct. The computation for the new velocities should be: % Compute impulse along collision normal vDotN = ...

13 years ago | 0