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Active since 2013

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How I can create a stacked Bar from Table ?
I want to create a stacked bar chart from a table. Here there is a minimum working example of the type of table I am looking at:...

7 years ago | 1 answer | 0

1

answer

Question


solution to a single nonlinear equation with a parameter
I want to get the solution to a nonlinear single equation, that carries a parameter the functional form is complicated: the...

7 years ago | 1 answer | 0

1

answer

Question


store value after multiple loops
Hi, I have four different loops, from which I would like to store the results once an inside loops is finishing. The algorit...

7 years ago | 1 answer | 0

1

answer

Question


waitbar within a while loop
Hi, I have a code that need to necessary execute a "while" loop. I am wondering how is possible to use a wait bar until this...

9 years ago | 2 answers | 0

2

answers

Question


The command normrnd times a scalar
Hi, I would like to know how Matlab understands the following: eta=normrnd(0,sigma)/100 Is this command going to re...

9 years ago | 1 answer | 0

1

answer

Question


flag an error message when a scalar is complex
Hi, I would like to include in my algorithm an error message where it will tell me that a scalar is complex. So for exampl...

9 years ago | 1 answer | 0

1

answer

Question


Random numbers within a specific range
Hi, I would like to know how is possible to generate random draws from a normal distribution , where the rv has a specific r...

9 years ago | 1 answer | 0

1

answer

Question


matrix operations and vectorization
Hi I would like a little help to construct in Matlab a fast way of carrying out the following computations. Suppose that the...

9 years ago | 1 answer | 0

1

answer

Question


fitted line in a scatter plot within a subplot
Hi, I would like to put a fitted line in a scatter plot, that I include in a figure with multiple plots. I am attaching the...

9 years ago | 1 answer | 0

1

answer

Question


genetic algorithm combined for non-linear regression
Hi, I was suggested and I believe that is really a good idea, that by using a genetic algorithm to determine my initial gues...

9 years ago | 0 answers | 1

0

answers

Question


Nonlinear regressions alternatives to nlinfit
Hi, What are the available alternatives to 'nlinfit' in Matlab ? Is there a ridge type of regressions to be used for non-lin...

9 years ago | 2 answers | 0

2

answers

Question


Plotting multiple histograms in one figure
Hi, I have some data points, simulated as follows: for t=1:10000 H1(t)=normrnd(0,0.05); H2(t)=normrnd(0,0.10); ...

9 years ago | 3 answers | 2

3

answers

Question


matrix indexation and loops over a specific set within a vector
I have the following definitions long = 1000; init = 500; N = init+long; T = init+1:N-1; T1 ...

9 years ago | 1 answer | 0

1

answer

Question


conditional statements and while loop
Hi, I have the following while loop while (dif1 > tol) && (dif2 > tol) && (dif3 > tol) procedure end ...

9 years ago | 1 answer | 0

1

answer

Question


least square fit matrix dimension errors
Hi, I am trying to run a nonlinear regression my code is the following: gamma = 3; eps ...

9 years ago | 1 answer | 0

1

answer

Answered
nonlinear solver user specified function
Ok, I manage to work that function through this simple example. I am attaching the files of the example for how to construct the...

9 years ago | 0

Question


nonlinear solver user specified function
Hi, I would like to use a user specified non-linear solver as a substitute for the fsolve. This function is quite frequent i...

9 years ago | 2 answers | 0

2

answers

Question


maximization problem with random variables.
I have the following maximization problem. max (E[(v(A) R)^{1-gamma}])^{1-gamma} with respect to theta, phi where R is defin...

9 years ago | 1 answer | 0

1

answer

Question


Solving a nonlinear equation with random variable
Hi, *UPDATE* I would like to solve an eguation that looks like this |E[(R^(1-\gamma))*(rk+theta -rz)]=0| , where |R...

9 years ago | 1 answer | 0

1

answer

Question


fminbnd with function that takes multiple inputs
Hi, my code includes the following k % vector kmin % minimum value in the vector kmax % max value in the vect...

10 years ago | 2 answers | 0

2

answers

Question


debugging a matlab code
Hi, I am attaching the folder with the relevant files for running a particular matlab code. In the file, there are two codes...

10 years ago | 1 answer | 0

1

answer

Question


fortran77 to matlab convert
Hi, i would like to convert this code of F77 to matlab. I am confused on one particular step, the "goto" and more specifical...

10 years ago | 1 answer | 0

1

answer

Question


calling mex file error
Hi, I am trying to execute an example found in mathworks. The example is very simple: copyfile(fullfile(matlabroot,'ex...

10 years ago | 1 answer | 1

1

answer

Answered
Nested Loops and efficiency
Sorry for my late reply, but really the whole code took ages to complete so i was trying to do something to get some feeling of ...

10 years ago | 0

Question


Nested Loops and efficiency
Hi, I have the following function, and there are some nested loops with multiple if statements inside. The code, runs extrem...

10 years ago | 2 answers | 0

2

answers

Question


The pause and return commands of fortran 90 to matlab
Hi, I am trying to translate a fortran 90 code into Matlab. I do it solely for my own practice and in order to understand a ...

10 years ago | 2 answers | 0

2

answers

Question


the goto fortran90 command convert to matlab
Hi, How i can best convert the goto command of f90, to matlab. the f2matlab function available does very poor job on this. T...

10 years ago | 5 answers | 0

5

answers

Question


Fortran to Matlab converting the "where" statement
Hi, I would like to know how is possible to convert the particular statement from fortran to matlab where (abs(A-B)>e)...

10 years ago | 1 answer | 0

1

answer

Question


How I can solve a simple system of equations
Hi, I want to solve the following system w = A*(1-gamma)*k^(gamma); r = A * gamma * k^(gamma-1); H = w + (1-beta...

10 years ago | 1 answer | 0

1

answer

Question


Is MATLAB solving Difference equations ?
Hi I am wondering whether MATLAB is able to solve DIFFERENCE (recursive) equations, not differential ones. For example, diff...

11 years ago | 2 answers | 0

2

answers

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