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**Content Feed**

Defuzzification

If you are using the Fuzzy Inference System editor, you can choose in the main GUI one of the defuzzication methods. The input f...

circa 7 anni ago | 0

About random number generators

As you have found out, using |<http://www.mathworks.com/help/matlab/ref/rng.html rng>| is the way to go with the current MATLAB ...

oltre 8 anni ago | 0

| accepted

corrcoef - plotregression (which algorithm plotregression use)

|plotregression| actually uses the |regression| function (also from Neural Network Toolbox) to compute the R value. However,...

oltre 9 anni ago | 1

ODE15S problem with solver

Have you tried with all the different stiff solvers available? |ode15s|, |ode23s|, |ode23t| and |ode23tb|. It could be that the...

oltre 9 anni ago | 0

| accepted

bsxfun in GPU in PCT v5.2

The link you are referring to is actually from the current release, R2012a. bsxfun support for GPUArray data is a new feature in...

circa 10 anni ago | 0

| accepted

Using uiimport and subsequent coded commands

Hi Jason, In order for your code to wait until uiimport has finished, make sure you request a return value from uiimport. ...

oltre 10 anni ago | 0

| accepted

Remove ObsNames from MatLab dataset

The property ObsNames may be empty. Otherwise, it should have as many strings as observations. To remove these ObsNames from a d...

oltre 10 anni ago | 0

| accepted

How to measure running time of a code using MATLAB

Take a look at the <http://www.mathworks.es/help/techdoc/ref/tic.html tic> and <http://www.mathworks.es/help/techdoc/ref/toc.htm...

oltre 10 anni ago | 4

| accepted

Select a random number from a set

There are a few ways to do it. For example, using randi to select in which position is the card that you will extract. pos ...

oltre 10 anni ago | 10

Neural Network code

Your code is basically creating a network with only one layer of neurons. With newfit this means that the network is trying to f...

oltre 10 anni ago | 0

| accepted

how to find distance between two points?

You can use the <http://www.mathworks.es/help/toolbox/stats/pdist.html pdist> function in the Statistics Toolbox: e.g: distance...

oltre 10 anni ago | 27

| accepted

how to separate out the lung sounds from heart sounds ?

You can use adaptfilt in the DSP toolbox for adaptive noise canceling. A "similar" <http://www.mathworks.com/products/dsp-system...

oltre 10 anni ago | 0

checking of existing an string in a cell arrays

if ~any(strcmp(CELL,'a')) % Do Something else % Do Something else end

oltre 10 anni ago | 31

| accepted

create vector of repeating elements (sort of)

One of many ways: >> w = 3; n = 8; >> v = repmat(1:n,w,1); >> v = v(1:end)

oltre 10 anni ago | 0

Angle between two vectors in 3d

You can use the subspace function to find the angle between two subspaces: >> subspace([1;0;0],[0;1;0]) ans = 1...

oltre 10 anni ago | 3

Combining vectors of day, month and year into a single date vector

dates = datenum([year,month,day]); Then you can plot your data vs. dates. Finally, use |datetick| to change the format o...

oltre 10 anni ago | 3

| accepted

Error Message when using configured ANN (mismatch number of inputs)

The functions for creating networks in the toolbox will assume that if your input matrix is |n x m| it will represent |m| sample...

oltre 10 anni ago | 0

| accepted

How to define the abstract symbolic of 'f=f(x,y,z)' at Matlab-Smbolic.

You can do the following: >> syms x y z; >> f = sym('f(x,y,z)'); >> g = x * f + y * f^2 + z; >> jacobian(g, [x,y,z]) ans ...

oltre 10 anni ago | 1

find max of a vector between two indice

>> C = arrayfun(@(x) max(B(A(x):A(x+1))),1:length(A)-1) C = 2 9

oltre 10 anni ago | 0

| accepted

transposing the contents of the cell

Let |C| be your cell. You can do the following: C = cellfun(@transpose,C,'un',0);

oltre 10 anni ago | 2

| accepted

spline? interp?

Do you have the curve fitting toolbox? If so, you can try using the functions |cscvn| for interpolating the spline and |fnplt|...

oltre 10 anni ago | 0

Kohonen (example from help does not work)

Which release are you using? There is a known bug in R2010b and R2011a regarding newc and competlayer. <http://www.mathworks.co...

oltre 10 anni ago | 0

Neural Network - Multi Step Ahead Prediction

Hi Jack, When using |narxnet|, the network performs only a one-step ahead prediction after it has been trained. Therefore, yo...

oltre 10 anni ago | 19

| accepted

Converting a complex number to polar form and finding it's magnitude

r = abs(z); theta = atan2(imag(z),real(z)); Also... r = abs(z); theta = angle(z);

oltre 10 anni ago | 1

| accepted

complex numbers in Symbolic Toolbox

*[Updated]* Define the symbolic variables as real and use the function |simplify| when needed: >> syms a b c d real; >> F=a...

oltre 10 anni ago | 2

| accepted

how to increase iteration limit in glmfit ?

Iteration limit is set to 100 in glmfit. You cannot change it unless you edit the function and change it manually (type |edit gl...

oltre 10 anni ago | 0

| accepted

How to ignore punctuation in a user string while scanning for words (textscan())?

This removes the specified punctuation in your word: regexprep(word, '[-!,.?]', '')

oltre 10 anni ago | 2

| accepted

Breakpoints unpredictable in R2011a

Hi Robert, I haven't been able to reproduce this issue, but I have heard it from other users, so that makes it empirically a p...

oltre 10 anni ago | 1

How to get size of an object

Unfortunately, there is no way to check the amount of memory that is being occupied by class objects, since MATLAB is storing re...

oltre 10 anni ago | 3