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Mark Whirdy


Last seen: 2 months ago |  Active since 2012

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http://www.linkedin.com/pub/mark-whirdy/6/a51/159 Professional Interests: Credit & Equity Quantitative Finance

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Question


VertConcatenated Parsing of Respective Function Outputs
Hi all I need a little help with syntax here, trying to vertically concatenate the respective outputs [c,ceq] from functions fc...

10 years ago | 1 answer | 0

1

answer

Question


Matrix Multiplication Along Pages of Multidimensional Matrix
What is the most efficient way of matrix-multiplying along a page (2d plane) of a multidimensional matrix. Speed is important he...

10 years ago | 3 answers | 0

3

answers

Answered
Problem with Autoregressive AR(3) Model. Take a look please
x is of size 1 so need to "declare" it first as zeros(1,1023); also it is trying to access z(1023) but z has only 1020 elements...

10 years ago | 0

| accepted

Question


Parsing ⅛ and ⅓ Characters from actxserver Outlook Mail object Body and Converting to Floats
Hi all I am parsing Outlook mails in Matlab by actxserver and regexp. Some mails contain fraction characters as below <...

11 years ago | 1 answer | 1

1

answer

Answered
Connecting to Teradata Database
I needed to add tdgssconfig.jar to classpath too.

11 years ago | 0

| accepted

Question


Connecting to Teradata Database
Hi all For anyone with experience connecting to Teradata Database and/or in-the-know about java database connectivity, would ...

11 years ago | 2 answers | 0

2

answers

Answered
Print Latex/Greek-Chars to Commandline
Mathworks support: Thank you for contacting Mathworks. The feature of typing Greek letter from MATLAB command line is not ...

11 years ago | 3

| accepted

Question


Print Latex/Greek-Chars to Commandline
Is it possible to fprintf a string to commandline which includes latex characters (I know its possible on figures etc). The b...

11 years ago | 2 answers | 2

2

answers

Answered
How to get a matrix from uitable
So the line below does not work (replacing "uitMyTableName" with whatever your table is called)? myCellArray = get(handles...

11 years ago | 0

Answered
Adding data into existing excel sheet from matlab
It seems that variable "mydata" is of size [1x3] but the size of the range you elected is [1x1] (i.e. a single excel cell rather...

11 years ago | 1

| accepted

Answered
Adding data into existing excel sheet from matlab
Hi Rekha Lots of similar questions on the Matlab Answers here if you search. Here's one of mine on using the activex serve...

11 years ago | 0

Question


Sparse Matrix - More Efficient Assignment Operation
I have a large sparse matrix for which I am attempting to assign certain segments (simplified example as per below snippet) to s...

11 years ago | 3 answers | 1

3

answers

Answered
Matlab and excel issues, active x server crash
PLEASE PRESS [ACCEPT] IF THIS SOLVES YOUR ISSUE, THANKS .... 1) ACTXSERVER For programmatic manipulation of an excel in...

12 years ago | 0

Answered
How to add several interfaces in one interface of MATLAB GUI
What is an "element", you mean a "uiobject" (uibutton, uitable etc?)? Happy to help, but you'll have to work on the question ...

12 years ago | 0

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Answered
Advice on a few bottlenecks in my code
(Almost-) Never use the find() function! I'd need to see the contents of the variables, but at first glance you can maybe jus...

12 years ago | 0

Answered
Logical vector based on matrix rows
Please Press "accept" if this answers your question %% YOUR EXAMPLE A = [... -2 1 2; 1 2...

12 years ago | 1

Answered
Computing summation in matlab
If Wayne is right and you're talking about limits to the summation, is it that you want to control these limits as parameters, o...

12 years ago | 0

Answered
Filter matrix rows based on value of function in Matlab
Shown below using an anonymous function for neatness, but the trick is just to make sure that your function (anonymous, nested, ...

12 years ago | 1

| accepted

Answered
how to use load function??
do you really want to use load with text files? myfile = load([fileName,'.',fileExtension]); % load is for workspaces reall...

12 years ago | 0

Answered
Incorrect display for special characters in the axis label
using your script I get "aÅ" on x-axis but you get "a?" ?? try the script below (even though its the same thing) xlabel(...

12 years ago | 0

Answered
mvtcdfqmc error when mvncdf used within fsolve
Got it < http://www.mathworks.com/matlabcentral/answers/7549>

12 years ago | 0

| accepted

Question


mvtcdfqmc error when mvncdf used within fsolve
Save the function below & call it a couple of times by E_t = 2000; sig_E = 0.5; K = [10*ones(5,1);1010]; T = [1:6]...

12 years ago | 2 answers | 0

2

answers

Answered
voice to text conversion
<http://www.mathworks.com/matlabcentral/answers/32864>

12 years ago | 0

Question


Polynominal Fitting Constrained in 1 Coefficient
x = [0;7.8438;15.6493;23.4767;31.2822;39.0986;46.9123]; y = [1;0.8990;0.7102;0.5747;0.4717;0.3766;0.2956]; p = polyfit(x...

12 years ago | 1 answer | 0

1

answer

Answered
How to read several excel files (30 files) without repeating the program?
Hi Ara, what does "change the name of each line" mean? Can you provide some sample code to help would-be assisters understand th...

12 years ago | 2

Answered
how to set ActiveX invisible
type get(LEDHandle) The link below alludes to an "offcolor" property - does this do anything? <http://j.n.--0613.b...

12 years ago | 0

Answered
How to control MATLAB on remote PC from MATLAB command window on another local PC
I did something similar, running an matlab/tomlab/cplex optimization job on a server called from my local machine. I wrote a C# ...

12 years ago | 0

Answered
What is the mistake, please help
Is the square-bracket in new[x] pseudo-code? orj_matr = rand(10000,10); a = NaN(50,10,50); for i = 1:50 index = ...

12 years ago | 0

| accepted

Answered
Behaviour of barh stacked plot & FaceAlpha=0
Solution from Chrysanthos Placotas in mathworks. " When you make the object transparent, it means that the objects behind it ...

12 years ago | 0

| accepted

Question


Behaviour of barh stacked plot & FaceAlpha=0
I’m having a little trouble understanding the behaviour of barh stacked plot. After running the code below you'll note that ther...

12 years ago | 1 answer | 0

1

answer

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