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Combining Vector in a matrix
A cell array is very useful when you want to combine strings and numerical values into a single matrix. Let's build one: Mo...

alrededor de 11 años hace | 1

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Respondida
How to cut the end of a string which follows a special character?
Many options, including: str = 'sahdklsjf_sdfs' out1 = str(1:find([str '_']=='_',1,'first')) Also take a look at TEX...

alrededor de 11 años hace | 0

Respondida
Plotting 1/x correctly
Your plotting values against their index. And indeed, since x(3) is not equal to 3, but 0.2020, y(3) is not 1/3. You can use pl...

alrededor de 11 años hace | 0

Enviada


permnsub(V,N, IX)
Subset of all permutations with repetition

alrededor de 11 años hace | 1 descarga |

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Pregunta


Problem running Windows executable using "system"
I have an executable (PROG.exe) that runs perfectly within a cmd-shell in windows 7. However, when I call it from within matlab ...

alrededor de 11 años hace | 0 respuestas | 0

0

respuestas

Respondida
Matlab jokes or puns
MatLab excels Excel while Excel does not matlab MatLab.

alrededor de 11 años hace | 137

Respondida
Why when we try to represent a sinus function we use a cosinus expression some times and cosinus another times like the case in matlab?
Both a cosine and a sine are sinusoids, but one is shifted in phase compared to the other cos(x) = sin(x + (pi/2))

alrededor de 11 años hace | 1

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Respondida
Find a subset of unique permutations
Why not use NCHOOSEK? A = [5 6 2 4 7]; nchoosek(A,3) ans = 5 6 2 5 6 4 ...

alrededor de 11 años hace | 2

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error when sum a vector
Most likely you have declared a *variable* called sum, which now clashes with the *function* sum In your case, you then want ...

alrededor de 11 años hace | 2

Respondida
How can I find maximum before a certain element in my matrix
Just for fun, as a one-liner: B = [5 8 5 2 6 9 10]; MaxBeforeMin = max(B(1:find(B==min(B),1,'first')))

alrededor de 11 años hace | 1

Respondida
How can I find the maximum element of each column of a cell array
Life would be much easier if you didn't have your data arranges like this in the first place. How did you get this cell array? I...

alrededor de 11 años hace | 1

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how to concatenate vectors
If all elements of T are row or column vectors, you can use VERTCAT or HORZCAT, using comma-separated list expansion: T1 = ...

alrededor de 11 años hace | 3

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Resuelto


Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

más de 11 años hace

Respondida
Start plot errorbar() at 0 ?
You can change limits of the axis using the commands YLIM CurYLim = ylim % get the current Y limits ylim([0 CurYlim(2)])...

más de 11 años hace | 0

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Editing a function to return a value that shows how many times a recursive function is called
You can add a second output argument function [result, CallN] = myFunction(n, CallN) if nargin==1, CallN = 1 ;...

más de 11 años hace | 1

Respondida
replace number by string
% conversion rules V(k) corresponds to S(k): V = [ 3 4 6 9 1] ; S = {'AA','B','CCC','D','EEE'} ; Value...

más de 11 años hace | 0

Respondida
How to normalize values in a matrix to be between 0 and 1?
This can be simply done in a two step process # subtract the minimum # divide by the new maximum normA = A - min(A(:)) ...

más de 11 años hace | 8

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Respondida
Hi, guys. How would one extract the lower triangle of a matrix without using the tril function and witout a for loop?
A = rand(5) ; % [c,r] = meshgrid(1:size(A,1),1:size(A,2)) trilA = A ; trilA(c>r) = 0 diagA = A ; d...

más de 11 años hace | 0

Respondida
Count amount of 0's and 1's in an array
Since the array is always an alternation of zeros and ones N = diff([0 find(diff(A)) numel(A)]) will produce the runs of...

más de 11 años hace | 1

Respondida
I need help with fixing the error in my for loop equation
You want to put the formula for H out of the loop for .. % ask for values here end % summing formula here

más de 11 años hace | 0

Respondida
Fibonacci program makes matlab go busy forever
The Nth matrix power of the square matrix [1 1 ; 1 0] will give you three Fibonacci numbers at once, namely the (N+1)-th, the N-...

más de 11 años hace | 5

Respondida
how to make string vector?
You realise that, in ML, ['18','29'] is exactly the same as the single character array '1829' ? a = [18, 29] str = sprin...

más de 11 años hace | 1

Respondida
how to find nearest values of all elements of a matrix to another matrix in matlab
Take a look at *NEARESTPOINT* as this function does *exactly* what you want and is pretty damn fast, if I say so myself :-) <...

más de 11 años hace | 1

Respondida
How can I insert missing rows in a matrix
This is not really trivial. Here is one approach: x=[1 4; 4 6;2 3;3 2;4 2;1 3] Data = x(:,2) ; SerialNumber = x(:,1) ...

más de 11 años hace | 0

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Respondida
Reading and separating data
My approach would be: 1) read in all the lines of the text file as strings using ';' as a delimiter C = textread('myfile...

más de 11 años hace | 0

Respondida
How Can I Make a Matlab Code generate multiple separate matrices
To generate one 4-by-4 matrix with a specific value you can use various approaches Value = 3 ; A = repmat(Value,4,4) ...

más de 11 años hace | 1

Respondida
how to find nearest values of all elements of a matrix to another matrix in matlab
A = [1 5 7 3 2 8] B = [4 12 11 10 9 23 1 15] TMP = bsxfun(@(x,y) abs(x-y), A(:), reshape(B,1,[])) [D, idxB] = min...

más de 11 años hace | 1

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Respondida
How to convert Hex data into decimal data?
Hexadecimal values are stored in strings in MatLab. HexValue = 'FE' hex2dec = hex2dec(HexValue) DataHex = {'B5','C...

más de 11 años hace | 2

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Respondida
What is Arithmetic mean filter ?
The arithmetic mean is the mathematical term for the "mean", i.e., the sum of the elements divided by the number of elements. ...

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Respondida
Replace String with a NaN in table
Take a look at CELL2FLOAT <http://www.mathworks.com/matlabcentral/fileexchange/19730-cell2float>

más de 11 años hace | 1

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