# AJ

### Lockheed Martin Mission Systems & Training

Last seen: 6 days ago Active since 2012

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How to fix my linear fit model?
Here is how I would have solved the problem, going back to linear regression principles. function explore_two_line_fit % explo...

2 months ago | 0

How do I process a string class in a mex function?
Given that MATLAB can't/won't support strings in mex environment, I did have to resort to mexCallMATLAB() by calling the char ca...

2 months ago | 0

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Question

How do I process a string class in a mex function?
I would like to pass a string (not a character array, but a class object of type "string") into a mex function, such as: myMexF...

3 months ago | 2 answers | 0

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Setting a class object property of type string class in a Coder project
I'm generally please with MATLAB's support for classes in Coder. But I am running into an issue I don't know how to solve. The ...

8 months ago | 1 answer | 0

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Question

Eigen Decomposition of Hermitian symmetric matrix using MATLAB Coder
I'm planning to implement the eig function as part of a MATLAB coder project. The input matrix is complex, and Hermitian symmet...

2 years ago | 1 answer | 0

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Create variable number of random streams (unique, deterministic, independent)
With some experimentation, the use of cell arrays is a one solution: K = 4; myStreams = cell(1,K); [myStreams{:}] = RandStrea...

2 years ago | 0

Question

Create variable number of random streams (unique, deterministic, independent)
For our simulations, we wish to have repeatable (pseudo-)random number generation. The problem with using a "global " random st...

2 years ago | 2 answers | 0

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How to get current date and time within a MATLAB Coder file
This code works for me, using Matlab R2016b, with Microsoft Visual Studio 2010: function my_now = now_coder %now_coder -...

6 years ago | 1

Question

Why do I get "PKIX path building failed" whien installing "xilinxzynqbasedradio.mlpkginstall"?
I am trying to install the support package for Xilinx Zynq based radio "xilinxzynqbasedradio.mlpkginstall", but get the followin...

8 years ago | 0 answers | 1

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Question

Matlab efficiency - Pass by reference
My Matlab project uses a main class object to manipulate data. The class object is fairly complex from a data structure perspect...

9 years ago | 2 answers | 0

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Question

Is there a function similar to rbbox that draws a line from corner to corner?
I am currently using rbbox to select a point on the axis and draw a ray to some other point. The rbbox draws the outline of the ...

9 years ago | 1 answer | 1