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Analysis
No . There are no general ways (like inbuilt functions) to compare the performance of algorithms.

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Trouble with LL in DWT2
Hi, Jagdeesh, Ok. Now I understand. Previously i was thinking that maybe you are referring to the idwt image of the toolbox. ...

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Convert an image to a matrix and convert to gry scale?
hi, It is so simple. Probably you should refer to the technical support documentations online. Btw the simple answers ar...

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Trouble with LL in DWT2
Hi, The problem is with your understanding of the Wavelet Theory. The yy which you are showing is basically the approximatio...

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Image processing problem
Before imshow(y); enter this statement y = uint8(y); Now you will get the correct result. This is because x is of t...

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Help using For and IF loop
I thought it can be done without using a loop. Maybe I could not understand your question properly because you did not elaborate...

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Solution of System of Two First-Order Differential Equation
Go and Look for DSolve in MATLAB Documentation. It will make it clear. In case you still have problems , come back ans ask again...

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looking for an explicit answer to my integral
Hi Amir , To solve the integral of a sin(1-1/x), follow the following steps, a) Expand sin(1-1/x) and then integrate. b) ...

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looking for an explicit answer to my integral
The explicit closed form answer exists. It is following , a * (cos(1)*ci(1/x) + sin(1)*si(1/x)+x*sin(1)*cos(1/x)-x*cos(1)*si...

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detecting the corners
MATLAB supports two standard methods for corner detection. Harris and MinimumEigenvalue ?? What method are you using ?? I ...

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need syntax
Hi, Since you mentioned that you just have to add the cyclic prefix, I am writing a code to add the cyclic prefix. The code can...

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Signal Processing
Hi, I don't know still exactly how I can help u as the whole GUI thing and all is difficult to post in one answer here. For...

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LMS algorithm
Hi, Here is a thought. Suppose the noisy image is im_noisy.jpg. Initially apply a suitable filter or denoising method to den...

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Problem in using IDWT2
The input image is of the type Unsigned Integer of 8 bits (uint8). The output image y is of the type double. So due to the di...

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Image Processing Noise differences
Ok . So suppose the problem is to add a noise with a variance of 0.25 and mean of 0 and the noise is gaussian and additive. W...

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completing a bell curve
Hi Tara, I still have some doubts about your question but I think what you want to ask is that you have an incomplete bell cu...

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Plotting AWGN in baseband binary transmission
Hi Phoon, Your question is not clear. In the equation you have mentioned there is no mention of AWGN. It is not clear what ...

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Why won't this run? Getting an mldivide error.....
Following is your code which I have modified :- clc; clear all; g=0; ga=0.1; gb=0.5; gc=0.9; gd=0.99; x...

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Bad homework problems
Hey Come on It is correct that you need to know the internal multiplication and division . But by the time you start using M...

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band of a fft signal
Hi biomed, The band of a signal depends upon your interpretation. Usually the band of a signal refers to the maximum freque...

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Probability Plot with Confidence Interval
Hi Jessica, Functions like normplot and probplot allow you to mark the probability distribution of your data with respect to a...

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Homework matlab problem - Determine r1, r2 and surface area - use matrix?
Hi Morley. Below Is a code that solves your problem. Go through each step and understand. I hope it will help. For further de...

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using XTick
Hi Jenny, In the program you have written you have not specified the variables. That is what you are storing in damp1, lamp1 ...

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Cant Find Colspace Function
Hi, I did not know what do you mean when the function does not show up. Sometimes people try to use colspace on direct numeric...

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Numerical Integration
Hi, For Integrations and all you have more control and options in the Case of MATHEMATICA. In MATLAB it is possible to perfo...

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Largest Candidate Rule
Hi Jason, Ok. I am assuming some things. I assume that you are a very basic and new user of MATLAB. So The code which I am gi...

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Bug in xml2struct?
xml2mat ?? When I type xml2mat in MATLAB R2011b then I get nothing....

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polyfit
Hi, Kindly go to MATLAB and open the curve fitting toolbox. there select the data you want to fit and then clicking on the f...

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Multivariate Guassian Distribution
Hi RaviTeja, Unfortunately in my knowledge there is no known single line statement to manually evaluate the multivariate norm...

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Syntax of semilogx, semilogy, loglog
Things are working ok... There is no inconsistency or I was not able to understand you.. Please check the following code and r...

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