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Francesco


University of Oxford

10 total contributions since 2013

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Question


memory leak in C Mex file
Hello, I wrote a C mex script, and it runs, however, after running it several times, it crashes Matlab, meaning that there is...

6 years ago | 1 answer | 0

1

answer

Question


Using Matlab Coder on script which calls several functions
Hello, I have a question using Matlab Coder. I have a .m file I would like to convert. Schematically it's like such: ...

6 years ago | 1 answer | 0

1

answer

Question


Backslash operator on GPU
Hello, I need to perform a backslash operation (A \ B = x) to solve Ax = B. The A matrix has 10^4 - 10^6 D.O.F, so a squar...

7 years ago | 1 answer | 1

1

answer

Question


How to protect MEX file from empty inputs
Hello, I have a function of the form: void nodal_connectivity(double *links, int maxconnections, ...

7 years ago | 1 answer | 0

1

answer

Question


CUDA_ERROR_UNKNOWN when using floats instead of double precision
Hello, I have a identical .cu files, one where I use variables defined as float and another where I use variables defined as ...

7 years ago | 1 answer | 0

1

answer

Question


Getting NaN when evaluating PTX kernel file
Hello, I have a Matlab version and MEX C version of a function and it works fine. I tried implementing a CUDA C version and c...

7 years ago | 1 answer | 0

1

answer

Question


Resultant matrix is rotated 90 whether I use MEX or MatLab function
Dear all, I am puzzled by something odd. I have written a MEX function using C of a Matlab function that contains 2 nested lo...

7 years ago | 2 answers | 0

2

answers

Question


GPU computation on mesh using MatLab
Hello, I am new to GPU computation in Matlab and would like some advice. I would like to calculate certain physical proper...

7 years ago | 1 answer | 0

1

answer

Question


rotate plane onto another with respective point transformation using geom3d
Hello, I am trying to use geom3d package (but if other simple solutions are available please feel free to comment), to do the...

7 years ago | 1 answer | 0

1

answer

Answered
derivative using FFT properties
Hello. When I use the script shown after "EDIT 6/22" by Elige Grant, I seem to get complex numbers in the "data_spacedomain_d...

8 years ago | 1