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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

14 years ago

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Cannot accèss methods of an Object after modified
You need to use handle object. Use the following line in your class definition classdef junk < handle You can then write...

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Cannot accèss methods of an Object after modified
You need to instantiate the class first in myFunction. The code as is just create a struct obj in myFunction that has a field na...

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Reading images from a folder ony by one
You can use |dir| and filter out the files you need, for example, let's say you want to read in all the jpg files in the folder ...

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compare integer values
Say you have the matrix |A|, and you have a function |foo| contains the operation you'd like to apply to elements of |A| if they...

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Some help to find the max value of a function?
Why not use |max|, e.g., max(Yi(:,1)) For details, see the documentation doc max

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Receiving mtimes error for passing vector through a function and I don't know why. Help?
You need to use .* y = exp(2*sin(0.4*x))*5 .* cos(4*x);

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Erlang Random variable
In theory Erlang is the sum of exponential distributed random variables, so you can just do the same. If you have Statistics Too...

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write and reading array from 2 functions files at the same time
Looks like you want to do stream processing. I would suggest you to take a look at the example in the following page http://w...

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function command hellp
Then I will rewrite the other file into a function, using signatures like function [T,Z,A,B] = foo(R) Once you do that, ...

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function command hellp
Let's say the other file is |foo.m|, then you can modify the signature of |foo| to return those values, e.g. function [...,...

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Not able to rotate an object in matlab?
Hi Simar, I think your program is doing what you want it to do, it rotates the whole thing 90 degrees in respect to the x axi...

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Use Matlab to graph piece wise function
You need to use .^ when raising a vector to a power. This being said, I would just take advantage of the logical index: x =...

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Help to write a simple codë to split vector to subvectors
Are all Y1 through Ym equal length. If so, assume the length is N, then you can do y = reshape(Y,3*N,[]) and each colum...

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Using indices of array to define indices of cell array
Similar to what you did for vectors: C{A>3}

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Sum Like Kind (not cumsum)
I don't know what the format is for your serial data so I'll just give an example where I add values of y when x is within a reg...

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how to call a sub function in the main function
Your output, F, is never defined in f() function. In addition, you are rewriting your input x1 in that function too.

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Help with loop (for?)
I don't quite understand what you do with i=i', but I think what you want is Angle = rand(5,3); for m = 1:5 kinimat...

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Saving figure
You can use |imwrite| and |date| doc imwrite doc date

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polyfit question
It means avg_Y = 0.0042*x+2.5802 see doc polyfit

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How to implement a Bivariate Normal Density function when your mu is given in a column matrix
Just pass in |mu.'| instead, i.e., mvnpdf(x,mu.')

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function feval
It looks like your untitled2 is a script, not a function, hence cannot be evaluated by |feval|. To define a function, you need t...

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Error using ==> horzcat CAT arguments dimensions are not consistent. Help please !
When x1=x2 but y1~=y2, your A1 is a scalar but A2 is a column vector, hence it cannot be concatenated. Similar thing for x1~=x2 ...

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determinant of covariance matrix
What you have is rank-deficient so the determinant will be 0. If you just want the algorithm to work, you can try to do the diag...

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determinant of covariance matrix
Maybe your data matrix has correlated components so the resulting covariance matrix is not full rank?

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@ function handle help for finance
I don't quite see the relation of inputs. It looks like Alpha and Lag are constants and it has nothing to do with x, so what's t...

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How do I suppress answer in Matlab?
Just don't define output in the function definition line, or when you call the function, add semicolon at the end, i.e., fi...

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Function to Vector
If I understand your question correctly, you need to do for i = 1:10 a(i) = crr(x(i)) end But you could try |arr...

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LPF a random signal
You need to first determine what are the frequencies you want to keep and what are the frequencies you want to filter out. You c...

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