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Christopher Ison


Systems Planning and Analysis, Inc.

Last seen: 8 months ago |  Active since 2011

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MATLAB user since 1994. Trained as a physicist but mostly working as a systems analyst and engineer with MATLAB as my daily companion. I am also a novice Python user, even though I introduced it to my company in 2005. Now my colleagues use MATLAB and Python side by side along with the CPLEX optimization package. Professional Interests: Rocket propulsion, trajectory simulation and analysis, trajectory optimization, reentry physics, astrophysics, nonlinear dynamics

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Question


how to display data with commas or spaces
I am unable to find the syntax to display output data with commas or spaces used to separate groups of three digits in order to ...

7 years ago | 2 answers | 0

2

answers

Answered
Random ordering of figure numbers
In response to the request to post the code, here it is. I think we DL'd via The Mathworks long ago. I'm interested to learn h...

8 years ago | 0

Question


Random ordering of figure numbers
When I installed R2015a, figure numbers were then generated in random order. I have a script that produces many graphs at once,...

8 years ago | 1 answer | 0

1

answer

Question


Errors when using "close" or "close all"
I have 2015a. Never had problems with "close" or "close all" in the last two decades. What gives? I had 20 figures open from ...

8 years ago | 2 answers | 0

2

answers

Answered
Retrieve an object's name
Well, I found the short answer and it's really, really stupid: function namestr = getobjname(obj) namestr = inputname(1)...

13 years ago | 2

Question


Retrieve an object's name
I've used Matlab a long time (10+ years) but for the life of me I can't do something rather stupidly simple: get an object's nam...

13 years ago | 3 answers | 0

3

answers