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**Content Feed**

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...

7 years ago | 1

Solved

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...

7 years ago

Solved

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...

7 years ago

Solved

Free passes for everyone!

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

7 years ago

Solved

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...

8 years ago

Solved

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...

8 years ago

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...

9 years ago | 0

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...

9 years ago | 1

| accepted

CAD model robot matlab

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

9 years ago | 0

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...

9 years ago | 0

CAD model robot matlab

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

9 years ago | 0

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...

9 years ago | 0

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...

9 years ago | 0

| accepted

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 ...

9 years ago | 0

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...

9 years ago | 1

| accepted

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...

9 years ago | 0

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...

9 years ago | 0

| accepted

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...

9 years ago | 0

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...

9 years ago | 0

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. ...

9 years ago | 0

| accepted

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> ...

9 years ago | 0

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...

9 years ago | 0

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>

9 years ago | 0

Solved

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]

9 years ago

Solved

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".

9 years ago

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...

9 years ago | 2

| accepted

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...

10 years ago | 0

| accepted

Solved

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...

10 years ago

Solved

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 ...

10 years ago

Solved

Determine if input is odd

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

10 years ago