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Jonathan Currie


AUT University

9 total contributions since 2011

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Question


Efficiently multiplying diagonal and general matrices
I wish to find the most efficient way to implement the following equation M'*D*M where *M* is a m*n dense rectangular ma...

7 years ago | 2 answers | 0

2

answers

Question


Simulink moves class object memory between C-MEX S-Function mdlStart() and mdlOutputs()?
I have a problem where Simulink/Matlab appears to be moving the memory location of a class object between mdlStart() and mdlOupu...

7 years ago | 0 answers | 0

0

answers

Question


Different results between 2013a 32bit and 64bit in single precision
I am squaring and summing two numbers in single precision, yet I get different results (one bit) between Matlab 32bit and Matlab...

7 years ago | 2 answers | 0

2

answers

Question


Differences calculating the sum of squares in single between sum() and a loop
*Update: Please Visit the Following Simplified Version of This Question* <http://www.mathworks.com/matlabcentral/answers/85211-...

7 years ago | 1 answer | 0

1

answer

Answered
MATLAB will not start up after several crashes due to a bad MEX file
I develop a lot of MEX files (and thus crashes happen fairly frequently) and had this issue on every version of MATLAB (32bit an...

7 years ago | 2

Question


Symbolic Toolbox enforcing rational numbers when I want decimals
I am using the Symbolic Toolbox to generate analytical derivatives for optimization problems. However commonly I encounter somet...

8 years ago | 1 answer | 1

1

answer

Question


MATLAB crashes with big mfile
Hi all, Has anyone had experience with MATLAB crashing with a large mfile in the current directory? Specifically I have a...

9 years ago | 4 answers | 1

4

answers

Answered
Animate Color in Simulink 3D Animation
Note you can also change the name of a material within VRealm or Simulink's 3D Editor, in a similar way you can change transform...

9 years ago | 0

Answered
Animate Color in Simulink 3D Animation
Hi Tom, just came across the answer to this myself! By default Simulink 3D cannot access a property without a name, which happe...

9 years ago | 1