Matlab

bandlimited Gaussian signal
How can I create a bandlimited white Gaussian signal? For example, what can I do if I want to construct a Gaussian signal with zero mean and extending over the frequency band [-0.75pi, 0.75pi]? Thanks a lot. ... 12 Apr 2010 06:59

Repeating the same answer each time
Hi I wanted to know how to obtain same answer each time we run program of pattern search which has options of Search method "GPSPositiveBasis2n" and poll method of MADSPostiveBasis2N. Thanks ... 8 Apr 2010 10:55

Time shift and FFT
Dear all, I created 2 signals, one sinusoid and its shifted version. I performed FFT on both and tried to multiply the FFT of the original signal elementwise by a vector which contains the phase shift. However, I found that it is not equal to the FFT of the shifted version. Can anyone help? Attached please find m... 9 Apr 2010 07:47

Upper triangular part of matrix to Vector
Hi, I have got Matrix A and I want to save the upper triangular part of the Matrix A in a vector b. For example A=[1,2,3;4,5,6;7,8,9] then then function should do the following: function(A)=[1;2;3;5;6;9] I know how to do it with a for loop, but I feel there are far easier solutions :) (I need this to fit a... 9 Apr 2010 22:17

In Level 2 m-file s-function, can the dimension of vector Dwork be set dynamically?
Hello all, by using level 2 m-file s-function, the dimension of Dwork is set in function DoPostPropSetup(block), for instance block.Dwork(1).Dimensions = 10000; But I have an adaptive application that the dimension of dwork should be set accordingly. Now what i am doing is set the dimension big enough, but... 9 Apr 2010 22:17

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Data Management in Matlab
Hi Guys, I have a matrix in Matlab that stores the different properties of structural members that I am using for an analysis program that I am writing in Matlab for an engineering project. The file usually resides in excel and consists of numerical and non-numerical values. One of the aims of my programme is to giv... 8 Apr 2010 06:08

SymHydraulics: temperature effects
Hello, this post is to ask if anybody practical with simscape/simhydraulics platform has ever encountered the need to include temperature effects in their hydraulic models and eventually ask the adopted solutions. I am actually developing a dynamic model for a lube oil system. Temperature effects may be very signi... 9 Apr 2010 04:31

Convert Image to Double
I am trying to conver the image to double and to correctly scale the image to display. MyImage = im2double(MyImage) imshow(MyImage) axis off axis image but every time i run it, it doesn't show me the image, matlab shows me BUSY all the time. any quick way to convert the loaded im... 8 Apr 2010 09:28

Conditional execution based on enviroment
Hello, I'm wondering if there is a way to detect if .m file was executed from matlab editor or it was called from external dll using matlab engine API (engOpen(), engEvalString(), engGetVariable()...etc). For example, I need to run the same file form different environments, but only show graphics when I'm running .... 8 Apr 2010 15:10