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# Javier

25 total contributions since 2016

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Question

How do I get the coefficients of a 9th order symbolic polynom without root on them?
Hello, I am using the symbolic toolbox to get the roots of a polynom order 9th. The symbolic solution that I am gettting from...

1 month ago | 1 answer | 0

### 1

Question

Why does fsolve seem not iterate towards the solution?
Hello all, I am trying to sovle a two non-linear equation system using fsolve and dogleg method. My objective function along ...

1 month ago | 1 answer | 0

### 1

Question

What are solver best settings for my non linear equations?
Hello, I have a set of non-linear equations that I would like to solve using fsolve, shown below in WandG function. Solver solu...

2 months ago | 0 answers | 0

### 0

Question

How to find duplicate values in 2d matrix?
Hello, I have the following matrix M =[ 1540 1685 6.90000000000000 24.2000000000000 14.6000000000000; 1540 1700...

3 months ago | 1 answer | 0

### 1

Question

How can I change the annotations of a block in Simulink Simscape to reflect the value of the parameter?
Hello, I was wondering how can I show the value of my resistor in the following situation. I have the following resistor calle...

7 months ago | 0 answers | 0

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Question

Why does my cellfun fails?
Hello I have the following cell where I would like to replace all 1 by 'true' and all 0 by 'failed' a= [ 0] [1] [2...

1 year ago | 1 answer | 0

### 1

Question

Why does my plot hold old data with linkdata?
Hello, I am using linkdata to update automatically the some plots. However, I am facing the issue that the _hold on_ command ...

1 year ago | 1 answer | 0

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Question

How can I add a event to my timeseries to mark days?
Hello, I have a time series that embraces a week and in which I would like to mark when a day is completed. So, I have been r...

1 year ago | 0 answers | 0

### 0

Question

Why aren't my locale times converted to UTC time?
Hello all, I would like to convert some dates that are taken with the Amsterdam TimeZone into UTC TimeZone, reading Matlab do...

1 year ago | 1 answer | 0

### 1

Cannot I import data from a file with multiples delimiters?
The solution for me was using the function <https://nl.mathworks.com/help/matlab/ref/readtable.html readtable> that it does allo...

2 years ago | 0

| accepted

Question

Cannot I import data from a file with multiples delimiters?
Hello, I have a file called a.txt which has the following format {"node_id":"a4","Arrived at":"2017-07-04T02:57:06.34497...

2 years ago | 2 answers | 0

### 2

How can I create a time series with this data?
I have figured it out, apparently it was that the format was not correct in my time vector, this makes it work t = datestr ...

2 years ago | 0

| accepted

Question

How can I create a time series with this data?
Hello, I am struggling when creating a time series in matlab with the function _timeseries(data,time)_, I have my data as fol...

2 years ago | 2 answers | 0

### 2

Question

Multivariate Regression of Curve fitting approach?
I was wondering what may be the best approach to model the following situation. I have two set of sensors readings, both ...

2 years ago | 0 answers | 0

### 0

Question

What is the best Jacobian setting for my model?
Hello, I am running a PWM model in simulink with SimScape, <https://nl.mathworks.com/matlabcentral/answers/314611-does-my-si...

2 years ago | 1 answer | 0

### 1

Question

How can I include new signal into WaveFormGenerator Simulink block from a script?
Hello, I would like to add a new signals to the list of my current signal for the <https://nl.mathworks.com/help/simulink/sl...

3 years ago | 1 answer | 0

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Question

How can I generate a triangular signal with WaveFormGenerator block?
Hello all, I would be intersted on creating a triangular signal as input but using the block <https://nl.mathworks.com/help/s...

3 years ago | 1 answer | 0

### 1

Why does SimScape inductor exhibit not symmetrical current behavior?
This seems to be wierd I use the following model <</matlabcentral/answers/uploaded_files/65042/inductor%20params.png>> I s...

3 years ago | 0

Question

Why does SimScape inductor exhibit not symmetrical current behavior?
Hello, I am modelling a PWM switching whose model is shown here below, where the Pulse generator represents my previous PWM s...

3 years ago | 1 answer | 0

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Question

How can I map Body Diode datasheet params to Simulink N-MOSFET model?
Hello, I would be interested on including the body diode effect of a NMOS transistor into the <https://nl.mathworks.com/help...

3 years ago | 0 answers | 0

### 0

Question

What does my simulation go into Zeno mode?
Hello all, I am simulating in Simulink a simple half-bridge switch, and I am running into an issue where my simulation seems ...

3 years ago | 1 answer | 0

### 1

Question

Does my simulation really go into Zeno mode(multiple zero crossing)?
Hello all, I am simulating in Simulink a simple half-bridge switch with an inductive load and an pulse input,the schema is sh...

3 years ago | 1 answer | 0

### 1

What is the most suitable solver for SimScape simulations?
Hi Swarooph, Thanks for the reply, I have read the link, I have tried different options as there is suggested and none of th...

3 years ago | 0

Question

What is the most suitable solver for SimScape simulations?
Hello, I am using Matlab-Simulink 2016b along with its SimScape library to simulate a toten-pole configuration, I have also a...

3 years ago | 2 answers | 0