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Rui


Pfizer Research Labs

Last seen: 7 mois il y a |  Actif depuis 2012

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How to wrap live editor output
Hello everyone, I have been using live editor to perform symbolic calculation. It is nice that output is given in LaTex forma...

environ 7 ans il y a | 1 réponse | 1

1

réponse

Question


How to use symbolic toolbox to remove a redundant variable from the equation?
Dear all, I have two equations y1 = F1(x,a,b) and y2 = F2(x,m,n), where x is an independent variable, while a, b, m and n are...

environ 7 ans il y a | 1 réponse | 0

1

réponse

Question


How to code a pulse function in differential equations
Hello everyone, could you help me with my problem described below? assuming I have a simple model dX/dt = -k*X/V, where X...

presque 8 ans il y a | 1 réponse | 1

1

réponse

Question


How to avoid negative intermediate guess in nlmefit
Hello everyone, when I use nlmefit, it always comes up with some negative guess after a few iterations, these negative values...

environ 10 ans il y a | 1 réponse | 0

1

réponse

Question


passing multiple group parameters to nlmefitsa
Dear all, I find that I cannot pass multiple group parameters to nlmefitsa (MATLAB 2014a). Only the first parameter is passed...

environ 10 ans il y a | 1 réponse | 0

0

réponse

Question


customized nonlinear mixed effect model
Hi there, I am trying to do a relatively simple nonlinear mixed effect fit: the fitted parameter is allowed float according t...

plus de 10 ans il y a | 1 réponse | 0

0

réponse

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MATLAB font size, icon and everything get very small on laptop with high resolution
I am using a win8 laptop with screen resolution at 3200 X 1800 (windows recommended resolution). Unfortunately, font size, app i...

plus de 10 ans il y a | 1 réponse | 0

1

réponse

Réponse apportée
Force install Matlab 2013a 32bit in Windows8 64bit
Hi, have you ever tried that? Does it work? Thanks!

presque 11 ans il y a | 0

Réponse apportée
Parallel computing with ODEs
I doubt parallel computing with dual core will help. But you still have two options, first, see if your company or school has a ...

environ 11 ans il y a | 0

Question


cannot open local matlabpool
Hi everyone, I cannot open matlabpool local. The error message is Error using parallel.internal.pool.InteractiveCli...

environ 11 ans il y a | 4 réponses | 0

4

réponses

Question


with pdepe, how to solve coupled ode-pde with ode citing pde's BC
Hi everyone, I have coupled pde-ode equations, where pde's one boundary condition is ode's input parameter. I want to write ...

environ 11 ans il y a | 1 réponse | 0

0

réponse

Question


Does an AMD 4-core processor runs better than an Intel dual core processor for parallel computing
Hi everyone, My basic idea is that AMD A10/A8 processor gets 4 cores, while Intel i5 has only two cores. In other words, with...

environ 11 ans il y a | 2 réponses | 0

2

réponses

Question


semilogy tick marker is missing
Hi everyone, Markers at Y lower limits are missing. How can I fix that? Thanks! Rui <<http://s24.postimg.org/u4tf...

plus de 11 ans il y a | 1 réponse | 0

1

réponse

Question


A chi square test on truncated normal distribution? Result interpretation
Hi everyone, I have some data which looks to be a truncated normal distribution. So I want to do a chi square test to see if ...

plus de 11 ans il y a | 1 réponse | 0

0

réponse

Question


How to calculate confidence interval of parameter estimated by global optimization--pattern search
Hi everyone, I recently used pattern search to find the global minimal. Though the algorithm worked very well to find me a so...

plus de 11 ans il y a | 2 réponses | 0

2

réponses

Question


fopen and fprintf do not work within parfor or smpd running on grid
Hello everyone, I met a problem to use fopen and fprintf within parfor or smpd when I run my codes on grid. Here are my codes...

plus de 11 ans il y a | 3 réponses | 0

3

réponses

Question


Corrcoef and R^2 definition give different R^2 values
Hi everyone, I am trying to calculate R^2 value for my data and simulation. I used two different ways. First one, ...

environ 12 ans il y a | 2 réponses | 0

2

réponses