Davide Ferraro

MathWorks

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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...

mehr als 9 Jahre vor | 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...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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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...

etwa 10 Jahre vor

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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...

mehr als 10 Jahre vor

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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...

mehr als 10 Jahre vor

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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...

fast 12 Jahre vor | 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...

fast 12 Jahre vor | 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> ...

fast 12 Jahre vor | 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...

fast 12 Jahre vor | 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...

fast 12 Jahre vor | 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...

fast 12 Jahre vor | 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...

fast 12 Jahre vor | 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 ...

etwa 12 Jahre vor | 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...

etwa 12 Jahre vor | 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...

etwa 12 Jahre vor | 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...

etwa 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...

mehr als 12 Jahre vor | 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...

mehr als 12 Jahre vor | 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. ...

mehr als 12 Jahre vor | 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> ...

mehr als 12 Jahre vor | 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...

mehr als 12 Jahre vor | 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>

mehr als 12 Jahre vor | 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]

mehr als 12 Jahre vor

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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".

mehr als 12 Jahre vor

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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...

mehr als 12 Jahre vor | 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...

mehr als 12 Jahre vor | 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...

mehr als 12 Jahre vor

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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 ...

mehr als 12 Jahre vor

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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.

mehr als 12 Jahre vor

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Davide Ferraro

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