Math Forum / Math Software / MATLAB

Can any one explain how can I use fminsearch and ode functions  in the same m-file.
I have to solve nonlinear equations (which is 6 equations with 6 unkowns) ,then the values I obtain from the above equations will be used in the differential equations.
As these equations are in the ...

I am trying to store a bunch of vectors which are returned from a function being used in a for loop. The function called 'function' will return a vector (of undetermined varying length) depending on the data fed into it (from Dataset).  
for i = 1:40
 Results(i,:) = ...

I made a function f(n) in matlab... the output of f(n) is a symbolic function...
Now I need to plot f(n) for n=2,3,4,...,8  so I have to plot 7 symbolic functions and the curves must be in one plot with axes x from 0 to 3 and y from 0 to 1
I've tried different things but only ...

Should the following two methods generate the same random numbers?

ans =
   0.8147    0.9058    0.1270

sir,
am working on the retinal images.. there are some ares near the optic disc which appears brighter which makes it diffficult to get the desired result..i need to normalize the images please help me out..
http://www.flickr.com/photos/47530846@N05/4359521023/
this is my the king ...

I'm having the following problem:
In my simscape model I've got a translational fricition block, after this block I want to measure the force and the displacement. To do this I placed a ideal force sensor and an ideal translational motion sensor, from the mechaincal simscape ...

aaa

Hi , i would like to have a code that explains me all the syntax of the programme in matlab for face reecognition using artificial neural networks.
till now i hav done the project as follows:
1> Taking various images of different faces.
2> Converting those into Gray scale images and ...

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I have a quick question regarding the ksdensity function for an unknown distribution of sample. I have a 324X15 matrix. I calculated optimal bandwidth using the equations:
h=1.587*x*n^(-1/3)
where n is the number of observeaitons (15) in each time step (324)
sigma is the sample std ...

I am doing a project on speech recognition.How is the performance of the sim function calculated and wat is the optimal value for training and to get an accuracy of minimum 85% in the confusion plot.Your Reply is appreciated very much.
Thank You

I want to estimate the noise in an image.
Let's assume the model of an Image + White Noise.
Now I want to estimate the Noise Variance.
My method is to calculate the Local Variance (3*3 up to 21*21 Blocks) of the image and then find areas where the Local Variance is fairly constant ...

hi.when i've first run in keyboard mode my gui my handles looks are empty and shown an error

but second time there is no problem

I'm creating a GUI to control a 3D model.
I already have the .wrl file and the GUI figure but I'm having a hard time trying to load my 3D model to Axes.
Does anyone have a clue?
I tried this:

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