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Davide Ferraro

MathWorks

Con actividad desde 2011

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Respondida
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...

casi 8 años hace | 1

Respondida
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...

alrededor de 10 años hace | 0

Respondida
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...

alrededor de 10 años hace | 1

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

alrededor de 10 años hace | 0

Respondida
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...

alrededor de 10 años hace | 0

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

alrededor de 10 años hace | 0

Respondida
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...

alrededor de 10 años hace | 0

Respondida
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...

alrededor de 10 años hace | 0

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Respondida
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 ...

más de 10 años hace | 0

Respondida
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...

más de 10 años hace | 1

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Respondida
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...

más de 10 años hace | 0

Respondida
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...

más de 10 años hace | 0

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Respondida
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...

más de 10 años hace | 0

Respondida
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...

más de 10 años hace | 0

Respondida
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. ...

más de 10 años hace | 0

| aceptada

Respondida
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> ...

más de 10 años hace | 0

Respondida
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...

más de 10 años hace | 0

Respondida
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>

más de 10 años hace | 0

Respondida
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...

casi 11 años hace | 2

| aceptada

Respondida
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...

casi 11 años hace | 0

| aceptada

Respondida
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 ...

casi 12 años hace | 0

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Respondida
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...

casi 12 años hace | 0

Respondida
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...

casi 12 años hace | 0

Respondida
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...

casi 12 años hace | 0

Respondida
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...

casi 12 años hace | 0

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Respondida
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) ...

casi 12 años hace | 1

Respondida
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...

casi 12 años hace | 1

| aceptada

Respondida
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...

casi 12 años hace | 2

| aceptada

Respondida
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 ...

casi 12 años hace | 1

| aceptada

Respondida
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 ...

casi 12 años hace | 0

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