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Andrew Wileman


Last seen: ongeveer een jaar ago |  Active since 2012

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Simscape or Multisim for Power Electronics simulation?
Hi, I have a project to do at University that requires an investigation into the thermal properties of IGBTs and how it affects...

bijna 5 jaar ago | 1 answer | 0

1

answer

Question


Matrix element deletion for elements greater than an integer
Hi, I hope someone may be able to answer this problem. I have an matrix of temperatures 1001 x 200. What I would like to do i...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Question


How can I avoid plotting zeros in data?
Hi, Once again, hoping someone may be able to help. I'm plotting data at intervals and would like to join up the peaks so it m...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


Plotting two different data sets on one graph
Hi, As usual, in a bit of a mess! I have two data sets (see attached graphs), that are almost identical in terms of size of arra...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


Still stuck with array subtraction
Hi, I hope someone may be able to help. I'm still confused!!! What I'm trying to do is with the following piece of code. ...

ongeveer 9 jaar ago | 0 answers | 0

0

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Taking two arrays away from one another
Hi, I'm hoping someone may be able to help. I have a array of data 2x3224 and would like to subtract a array 566x1 from it, is ...

ongeveer 9 jaar ago | 1 answer | 0

1

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Question


Finding values on a graph
Hi, Hoping someone may be able to help. I'm plotting two data sets on a graph (see attached). What I would like to do is find ...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


Extrapolating a loop to a threshold
Hi, I have a problem in estimating some data up to a threshold. Basically, what I would like to do is pass a data value to an ...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


Does anyone know how to express a ARMA model into a State Space format
Hi, I'm hoping someone may be able to help me. I've used a RLS algorithm to determine the coefficients of a ARMA(2,1) model. ...

meer dan 9 jaar ago | 0 answers | 0

0

answers

Question


Making a program recursive
Hi, I wonder if anyone may be able to help. I have a program I've written that is a sliding window, it basically sends chunks ...

meer dan 9 jaar ago | 1 answer | 0

1

answer

Question


Can anyone verify this code for a Particle Filter using sliding window - not sure it's doing what it should do
Hi, I'm trying to get a sliding window Particle filter working. The Particle filter part seems to work ok, however, I'm using a...

meer dan 9 jaar ago | 0 answers | 0

0

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Answered
Problem with a rolling regression programme please help
Thanks for getting back to me. The problem seems to be with lines 66 & 77 in the window_regression mfile.

bijna 10 jaar ago | 0

Question


Problem with a rolling regression programme please help
Hi, I'm new to Matlab and was wondering if anyone may be able to help with a program I'm writing as I have seem to have hit a...

bijna 10 jaar ago | 2 answers | 0

2

answers

Question


Differences in simulation results in state space models using matlab
Hi, I'm writing some code to simulate a relay dynamically. I've derived differential equations, linearised them around an op...

bijna 11 jaar ago | 1 answer | 0

1

answer

Question


Using the Matlab Student Version to programme a TI TMS 320C6713 DSP
Hi, I have a project at University where I need to program a Texas Instruments DSP. I would like to do this via Matlab if poss...

meer dan 11 jaar ago | 0 answers | 0

0

answers

Answered
Undefined function 'initDistPar' for input arguments of type 'double'.
Thanks for your reply Sean. Strangely, it says 'initDisPar' not found, but this has just been defined four lines above in the...

ongeveer 12 jaar ago | 0

Question


Undefined function 'initDistPar' for input arguments of type 'double'.
The problem lies in the following code. param(j,:) = unifrnd(initDistPar(j,1),initDistPar(j,2),1,n); The initDistPar was d...

ongeveer 12 jaar ago | 2 answers | 0

2

answers