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StefBu


Last seen: alrededor de 4 años hace |  Con actividad desde 2019

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Estadística

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

casi 5 años hace

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Create a vector
Create a vector from 0 to n by intervals of 2.

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

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Find max
Find the maximum value of a given vector or matrix.

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

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Inner product of two vectors
Find the inner product of two vectors.

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

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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...

alrededor de 5 años hace

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

alrededor de 5 años hace

Respondida
Table - Write results in a new rows
Hi, you can create a cell array and then add a new row to your table by concatenation. For example if your table variables are ...

más de 5 años hace | 0

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save matfile with current time stamp
Hi, you have to concatenate the string first and add the fileending. Try this: save (['C:\dannyuser\project', optimization, dat...

más de 5 años hace | 0

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convert cell in minutes to seconds vector
Hi try this: seconds = zeros(size(time)); for i = 1:size(time,2) seconds(i) = time{i}(1,1)*60 + time{i}(1,2); end Greet...

más de 5 años hace | 0

Respondida
I have 200 files with 20 columns each. The 1st column remains the same for all files. I want to sum up all 2nd columns from 200 files, .....20th columns from 200 files. I want the first column to remain the same.
Hi you have to use a for-loop to access your data and then add up the colums. First use dir to get your files files = dir('C...

casi 6 años hace | 0

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Multiple bar plots and error bars
Hi, you can use the functions bar and errorbar. Plot your Mean-Data with bar and your standard deviation with errorbar. Gre...

casi 6 años hace | 0

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Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

casi 6 años hace

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File Names inside a folder(x) and subfolders of(x)
Here you go: Path = 'C:\Users\' % wherever you want to search searchPath = [Path ,'\**\*.csv']; % Search in folder and s...

casi 6 años hace | 1

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how can I preallocate for speed in a loop?
Hi. Since x_p grows in each iteration of your for-loop you can easily define its size at the begining. Just use this before you...

casi 6 años hace | 1

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Using Matlab App Designer with 2 Dependent Pop Up Menus
You can do this by using a callback on changinge the value in your first drop down. All the magic is done in function DropDown...

casi 6 años hace | 1

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How to get the relsults in different matrix after for loop
Hi if you really want to use eval,try this code: for i=1:3 tempName = ['A', num2str(i)]; eval([tempName '= B*i +C*i;...

casi 6 años hace | 1

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how to extract data based upon latitude longitude value form a matrix file
Hi. First of all you have to tell us how the data is organized inside the .mat file. Greetings Stefan

casi 6 años hace | 0

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Search number in one cell of a csv file
Try this code. It should work for you. If not feel free to ask. Greetings Stefan % Get data from cell head = header{1,1}{1,...

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Move select data out of a structure
How are your double values organized inside the structure fields? In cells,etc....?

casi 6 años hace | 0

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how can i split 30*9 matrix into 20*9 and 10*9?
Hi, you can use this two lines. X_1 = X(1:20,:) X_2 = X(21:end,:) Greetings Stefan

casi 6 años hace | 1

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