Davide Ferraro

MathWorks

Attivo dal 2011

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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...

circa 9 anni fa | 1

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Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

oltre 9 anni fa

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

oltre 9 anni fa

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Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): As an addit...

oltre 9 anni fa

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Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

circa 10 anni fa

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

circa 10 anni fa

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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...

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 1

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

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 0

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

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 0

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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 ...

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 1

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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...

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 0

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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. ...

oltre 11 anni fa | 0

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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> ...

oltre 11 anni fa | 0

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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...

oltre 11 anni fa | 0

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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>

quasi 12 anni fa | 0

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Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

quasi 12 anni fa

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

quasi 12 anni fa

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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...

quasi 12 anni fa | 3

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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...

circa 12 anni fa | 0

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

circa 12 anni fa

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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

circa 12 anni fa

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

circa 12 anni fa

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