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John Hey


Last seen: 7 months ago |  Active since 2016

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I am having problems with GUI
I am trying to run the program BasicScreen that I have written and which ran until I tried to embed it in a loop. I have taken i...

7 months ago | 1 answer | 0

1

answer

Answered
fun is doing odd things
Dear VBBV, Many thanks for your answer. John

1 year ago | 0

Question


fun is doing odd things
I have defined a function fun fun=@(refprice,r)sum((prices-refprice*ot+(exp(-r*t).*ot')').^2); and it works for any parameter...

1 year ago | 2 answers | 0

2

answers

Question


fmincon is not working
I Have defined a function (see below) and it works fine - I can calculate the value of the function for any parameter values (re...

1 year ago | 1 answer | 0

1

answer

Question


Despite going to default, the layout is not the default, and I have to switch between different screens
I used to have a nice layout, with the command window, the variables and the editor all in one screen. Despite going to default...

2 years ago | 1 answer | 0

1

answer

Question


Matlab seems to be using an old version of the code
When running a Matlab script I got an error message about the rng function. I deleted that line in the code, but when I run it, ...

3 years ago | 0 answers | 0

0

answers

Question


Use of integrate without explicit function - defined by variable
Dear All, I would like to integrate something which is not defined by a function (anoymous or otherwise. The 'function' is defi...

4 years ago | 1 answer | 0

1

answer

Answered
problem with optimoptions with fmincon
Dear Darren, My need for a solution has overcaome my desire not to bother you unduly. Here is the likelihood function and anot...

5 years ago | 0

Answered
problem with optimoptions with fmincon
Dear Darren, I could send you the data and the likelihood function, but I do no wish to burden you. It is already great that yo...

5 years ago | 0

Question


problem with optimoptions with fmincon
Dear All, I am using fmincon within Matlab and I am trying to set options. I give the command options=optimoptions('fmincon','...

5 years ago | 3 answers | 0

3

answers

Question


Multiple lines in one graph
Dear All, I am drawing several lines on one graph and I would like to make them thicker where they coincide. All advice grate...

6 years ago | 2 answers | 0

2

answers

Question


Obviously wrong answers for beta cdf
Dear All, I am using cdf('beta',x,alp,bet) to compute the cdf of a beta distribution but when alp and bet are less than 1 (w...

8 years ago | 0 answers | 0

0

answers