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Davide Ferraro

MathWorks

Aktiv seit 2011

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Beantwortet
I have 2 columns and 10 rows of numerical data in my excel file. How to import this data in to MATLAB and then plot it?
If you prefer to use an *interactive* approach you can double click on the Excel file from the Current Folder browser and intera...

mehr als 9 Jahre vor | 1

Beantwortet
how can i compute the length of an integer?
Casting the variable into a string may be risky because you may get to "unexpected" cases such as: int = 1234567890123456...

mehr als 11 Jahre vor | 0

Beantwortet
Importing multiple .txt files containting single colums of numerical data
Hi Ross, it depends on the type of analyses you need to do. If you are not expert working directly with cell array using comm...

mehr als 11 Jahre vor | 1

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Beantwortet
CAD model robot matlab
Hi Javier, what about this: <http://www.mathworks.com/matlabcentral/fileexchange/7118-readdxf-read-in-an-ascii-dxf-file> ...

mehr als 11 Jahre vor | 0

Beantwortet
CAD model robot matlab
Hi Javier, yes, what you see in the video is possible, on the other side is not immediate. What the user has probably done is...

mehr als 11 Jahre vor | 0

Beantwortet
CAD model robot matlab
You may consider using Simulink and SimMechanics with the CAD Import feature: <http://www.mathworks.com/products/simmechanics/d...

mehr als 11 Jahre vor | 0

Beantwortet
XPC commands in R2011b Matlab
The command to open xPC Target Explorer is "xpcexplr" but please note that if you are on Win64 bit architecture you won't be ab...

mehr als 11 Jahre vor | 0

Beantwortet
It is possible to read the graph and it has to produce the Y value for my input X value.
Why are you asking two (x,y) values for a line and then also the intercept? Given two points you are able to calculate both m an...

mehr als 11 Jahre vor | 0

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Beantwortet
Read .seq file in MATLAB
On page: <http://people.cs.uchicago.edu/~dinoj/matlab/> There are some routines for working with .seq files in MATLAB. I've ...

fast 12 Jahre vor | 0

Beantwortet
How can I find the optimum input to a Simulink model?
Hi, as Mariano was suggesting you may consider using an optimization algorithm and run the Simulink model in your objective f...

fast 12 Jahre vor | 1

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Beantwortet
fitting three lines in one figure
Hi, suggestion: write also the error you obtain: Error using fit>iFit (line 129) X must be a matrix with one or two colum...

fast 12 Jahre vor | 0

Beantwortet
Logic to copy files into specific locations
Hi, This is a possible approach: files = dir('*.mat'); for i = 1:length(files) datefolder = files(i).name(14:1...

fast 12 Jahre vor | 0

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Beantwortet
changing the date form in a cell matrix
The date has an ambiguous format cause "M 2009" can be march or may so a classic approac with DATENUM may not be appropriate. Wh...

fast 12 Jahre vor | 0

Beantwortet
Inserting a word equation in Matlab
Depending on the purpose you have multiple approaches. If it's going on the command window your option is to write the Symbol...

fast 12 Jahre vor | 0

Beantwortet
A problem with grammar
Not sure that I've fully understood your goal. From what I've got you may try to use the EVAL function to evaluate your string. ...

fast 12 Jahre vor | 0

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Beantwortet
How I can I display data with the dates
TEXTSCAN requires that you use the command FOPEN: < http://www.mathworks.com/help/releases/R2012a/techdoc/ref/fopen.html> ...

fast 12 Jahre vor | 0

Beantwortet
GUI axis, graph label pop up menu settings
Hi, the approach is the same you have probably used before. You may use the object callback (you may have edit box to allow...

etwa 12 Jahre vor | 0

Beantwortet
How to create stacked bars with min/max values
Hi, you may have a look at this solution: <http://www.mathworks.it/support/solutions/en/data/1-12BBCS/index.html>

etwa 12 Jahre vor | 0

Beantwortet
How to plot multiple polar graph?
The HOLD command should work: <http://www.mathworks.com/help/releases/R2012a/techdoc/ref/hold.html> t = 0:.01:2*pi; p...

etwa 12 Jahre vor | 3

| akzeptiert

Beantwortet
error using msg box
You are trying to concatenate a vector (your text) with a matrix. The dimensions are not consistent. You can use the CHAR functi...

mehr als 12 Jahre vor | 0

| akzeptiert

Beantwortet
How to arrange names in alphabetical order
You can use the SORT command: <http://www.mathworks.com/access/helpdesk/help/techdoc/ref/sort.html> An example: names ...

mehr als 13 Jahre vor | 0

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Beantwortet
Design Iterative PID Tuner using MATLAB and Simulink
There is not a single solution, so let me list some ideas on how to approach your problem: - It seems that you look for the q...

mehr als 13 Jahre vor | 0

Beantwortet
Using a for loop to change matrix dimesnsions
I can suggest you an approach without FOR loops that's more synthetic and is not suffering of the changing size issue: %% Tes...

mehr als 13 Jahre vor | 0

Beantwortet
How to find row number
The command MAX will do the work. The second output is exactly the index of the max value. <http://www.mathworks.com/access/hel...

mehr als 13 Jahre vor | 0

Beantwortet
program to get the user to enter the values
If you are expecting a command line input you can use the INPUT command: <http://www.mathworks.com/access/helpdesk/help/techd...

mehr als 13 Jahre vor | 0

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Beantwortet
Building PID without transfer functions
You can also create your PID (discrete) block on your own based on the difference equations. y(k) = yp(k) + yi(k) + yd(k) ...

mehr als 13 Jahre vor | 1

Beantwortet
Basic Function Error (Plot Related
You should use the element by element power elevation ".^". Without the "dot" you are trying to do the power of a matrix and thi...

mehr als 13 Jahre vor | 1

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Beantwortet
How to generate a vector with the required values
The syntax: x=[.1:.1:.9] is creating a vector incrementally and due to Floating Point arithmetic approximation the obtai...

mehr als 13 Jahre vor | 2

| akzeptiert

Beantwortet
Variable into block "from workplace"
From Workspace block should have a first column representing time and then your data columns. This should work fine: data ...

mehr als 13 Jahre vor | 1

| akzeptiert

Beantwortet
Problem with origin and plotting axes
Your code is basically: plot([1 1]'); and is represented by a line with first point(1,1) and second point (2,1) (giving ...

mehr als 13 Jahre vor | 0

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