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**Content Feed**

what does sin(pi*[-Fs:1/Fs:Fs] )mean?

Let's break it down into smaller chunks: This line creates a vector from -Fs to Fs with increments of 1/Fs vector = -F...

meer dan 9 jaar ago | 0

Button output in GUI

It seems like having all of the buttons share a callback is a good idea for this situation. One good way to share data betwee...

meer dan 9 jaar ago | 1

How can I reduce the time complexity of this matlab code.. Its taking lot of time to execute when an image is fed as input.

Also, try to avoid using |eval|. Look at this link to see why: <http://www.mathworks.com/matlabcentral/answers/51946-systemat...

meer dan 9 jaar ago | 0

Not enough inputs error

Pressing the "Run" button on this class runs |card| in the Command Window. This is being called with no inputs, but according to...

meer dan 9 jaar ago | 0

how can i append a matrix n times

You are looking for the |repmat| function. B = [1 2]; C = repmat(B,1,600) This will repeat matrix |B| for 1 row and...

meer dan 9 jaar ago | 1

| accepted

How we can calculate using MATLAB for small values?

You must first create an anonymous function to be able to evaluate the function like that: This means "f" is a function with ...

meer dan 9 jaar ago | 0

plotting multiple boxplots in the same figure window

Are you familiar with the SUBPLOT function? This may be what you are looking for… <http://www.mathworks.com/help/matlab/ref/s...

meer dan 9 jaar ago | 0

financial portfolio optimization using fmincon?

If you want the sigma passed into POPTIM to be also passed into PSIGMA, you do not need to specify sigma as an input parameter t...

meer dan 9 jaar ago | 0

reshaping data to fit contour plot requirements

This strongly depends on how the data in "z" is stored. If the first 31 values in "z" represent the values for x = 30 & y = 15:4...

meer dan 9 jaar ago | 0

| accepted

GUIDE Callbacks using function handles or strings

In the GUI's OpeningFcn, you can try: set(handles.object,'Callback',@cb) and just replace "object" with the actual tag o...

meer dan 9 jaar ago | 0

uipanel does not appear in GUI

The value for the FontSize property must be numeric, not a character string. Remove the single quotes around the _12_, and that ...

meer dan 9 jaar ago | 2

| accepted

How to output result to static text uicontrol?

This is likely not working because diff(f) is of type SYM, and the SET function is expecting a string of type CHAR. In order to ...

meer dan 9 jaar ago | 1

Subplot a matrix within a single Graph

For some random data of 40 rows, 4 columns, this plots a line plot data = rand(40,4); for i = 1:size(data,2) ...

meer dan 9 jaar ago | 0

How do I create a vector of 20 elements with the numbers 1,2,3,4,5 repeated four times?

You can create a smaller vector of the repeating entries and then repeat this vector with the REPMAT function for 1 row and 4 co...

meer dan 9 jaar ago | 2

adding folder to the path option

Adding a folder to the MATLAB path adds it only for the current MATLAB session. In order to save this path for a future MATLAB s...

meer dan 9 jaar ago | 1

uicontrol assigning values a a user defined date

A couple of things: # The switch/case algorithm you have there does not hold true for many of the months, e.g. there are 31 d...

meer dan 9 jaar ago | 0

User-Defined Function Help?

Please see the following related question/answer: <http://www.mathworks.com/matlabcentral/answers/53100#answer_64689>

meer dan 9 jaar ago | 0

how to automatically import multiple excel files, each contains 3D coordinates, into matlab?

The naming model that you suggest is not really the best way to name your variables. Consider the following: Get the list of ...

meer dan 9 jaar ago | 0

How to use find function to get log of the values?

Use logical indexing to accomplish this: A = [8 14 3; -13 1 42; -39 -8 15]; B = zeros(size(A)); Valid indices are...

meer dan 9 jaar ago | 0

| accepted

Not Enough Input Arguments

Your function defines 2 input arguments (w and theta_deg). When you run Mec134function, you must specify exactly two inputs, oth...

meer dan 9 jaar ago | 20

| accepted

Changing multiple structure vales

% Setup structure "S" S.a = 11; S.b = 22; S.c = 33; S.d = 44; % This is the list of fields in "S" that I ...

meer dan 9 jaar 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]

meer dan 9 jaar ago

Solved

Project Euler: Problem 1, Multiples of 3 and 5

If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23...

meer dan 9 jaar ago

Solved

The Goldbach Conjecture

The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

meer dan 9 jaar 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".

meer dan 9 jaar ago

Solved

Sum all integers from 1 to 2^n

Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

meer dan 9 jaar ago

Solved

Who Has the Most Change?

You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

meer dan 9 jaar ago

Solved

Summing digits

Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

meer dan 9 jaar ago

Solved

Back and Forth Rows

Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

meer dan 9 jaar ago

Solved

Return the 3n+1 sequence for n

A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

meer dan 9 jaar ago