Matlab

Optim problem
I have to find Max value of this function : fun = @(x) (b1 + b2*x(1) + b3*x(2) + b4*x(1)^2); The b's are vars in workspade. My problem is thant I don't know the optim toolbox. Can some one help me with my task. I need some function to find global Max of "fun". Thanks! ... 1 Jun 2010 04:19

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Help with abs block in simulink, absolute operation complex fixed point inputs
hi, i have a fixed point complex input to abs block in simulink. now the abs block supports real input of fixed point data types. as given in http://www.mathworks.com/access/helpdesk/help/toolbox/simulink/slref/abs.html how can i perform abs function in simulink on complex inputs???? regards khan ... 1 Jun 2010 04:19

how to shift Y axis
Here is my matlab source code: real = [ .00000 .00297 .01098 .02174 .03242 .04047 .04407 .04220 .03448 .02099 .00208 -.02177 -.05000 -.08204 -.11731 -.15528 -.19538 -.23712 -.28000 -.32354 -.36727 -.41077 -.45361 ... 1 Jun 2010 15:17

Stepwisefit number of terms included (easy question)
I have an easy question... n = number of observations p = number of terms included in the final model I performed 2 stepwisefit regression: a) between 20,000 Y and 10,000 possibile regressors with n=5 (5 years); the regressors considered are always the same for every Y b) between 20,000 Y and 10,000 possibile... 4 Jun 2010 07:00

GUI with wavelet transformates
I have to create for a project at university a GUI like the one from Wavelet toolbox,but not so complex.I need 1D 2D,DWT,IDWT,decomposition,coefficients..if anyone has smthg like this please contact me.A good day! ... 1 Jun 2010 09:44

NDFT
>Newsgroups: comp.soft-sys.matlab From: "kk KKsingh" <akikumar1...(a)gmail.com> Date: Mon, 1 Mar 2010 17:23:22 +0000 (UTC) Local: Mon, Mar 1 2010 1:23 pm Subject: NDFT Since I am in FFT and DFT world now days... -----SNIP And suppose if i run this code -----SNIP I am not getting spectrum at right fre... 1 Jun 2010 10:51

Bisection Method
Can anyone help me in Bisection Method for Weibull Distribution?How to make that function mathlab? Thank you very much.. Best regards.. ... 1 Jun 2010 01:07

image transfer using instrument control toolbox
Hello all I am using instrument control toolbox for Ethernet interface to matlab.I want to transfer image in .bmp format using the same? Is it possible? How can i do it? please help me ... 8 Jun 2010 06:55

How to aggregate data according to timestamps?
Hi all, Here are the data I am working on: dDataTmp2 is a Nx2 matrix, with the first column being the timestamps and the second column the data. K>> datestr(dDataTmp2(1, 1)) ans = 01-Apr-2010 00:19:00 I would like to compute the average of the second-column-data every M seconds, e.g. M=5, and put t... 2 Jun 2010 08:43