Matlab

import input matrix to FIS
hi, i have an input matrix given from image and they have been normalized so the range is [-1 1]. i want to put that matrix to FIS membership function definitions. How to do that? thanks Adhi ... 5 Apr 2010 08:17

Difference between Search and Poll method in Pattern Search
Sir I have doubts regarding Pattern Search .Could you please tell me the difference between Search and Poll. In Matlab user guide, Polling has been explained but Search is not. Thanking you ... 4 Apr 2010 09:19

DCT in video compression
how do i do this from the codes i have? Write a function to handle 3 parameters: a. [infile] used to point to the input file name containing your image to be compressed. b. [outfile] used to define the output file name of the compressed image. c. [Coeff] used to allow specification of the total number of coeff... 2 Apr 2010 23:40

noise and gamma correction
can anyone help me with this please! Write a matlab programme to read in an image to be processed with gamma components. a. Apply to your original image various gamma values of 1.4 and 2.5. b. Display on one window 4 plots to contain : a. Your original image. b. Image adjusted with the two different gamma va... 3 Apr 2010 00:45

optimization(fminmax)
can somebody help me using matrices with 'fminmax' function. i got values of x0(initial values) as matrices how to convert them to vectors using linear index. and how can i use both those vectors at once. thnx ... 2 Apr 2010 21:29

help with legend
hi there, I need to do more functions in one plot f=plot(xn,a+b*xn+c*xn.^2+d*xn.^3,'Color',[k l m]); and for the points in same color as the line plot(x,y,'x','Color',[k l m],'MarkerSize',10,'LineWidth',2) now I want to do legend but only for functions, not for points, couse, when I type legend('f','f2','f3');... 2 Apr 2010 21:29

two function in one plot and only one legend
hi there, I need to do more functions in one plot f=plot(xn,a+b*xn+c*xn.^2+d*xn.^3,'Color',[k l m]); and for the points in same color as the line plot(x,y,'x','Color',[k l m],'MarkerSize',10,'LineWidth',2) now I want to do legend but only for functions, not for points, couse, when I type legend('f','f2','f3');... 2 Apr 2010 18:11

genetic algorithm - inner matrix error message
I am trying to use the genetic algorithm (ga), but keep getting an error saying the inner matrix dimensions must agree. I know the objective function is correct because it passes through when using fminsearch or patternsearch, just not ga. Here is my code for all three... params_hat = fminsearch(@myfunction, param... 4 Apr 2010 20:23

Multivariate polynomial multiplication
Hi, I have a bunch of linear expressions that I'll have to multiply by each other. For example if: a = 2 * x1 + x2 + 3 * x3 b = 5 * x1 + x2 + 2 * x3 c = 6 * x1 + x2 + 3 * x3 I would like a way to calculate a * b * c. I've looked into using convn but am unsure the format to pass the arguments. ... 3 Apr 2010 17:02

Finding a stationary point of a function
Hello i need your help with a problem that i can't solve. I've to find the stationary points of this function y = 3x sin(x) considered bounded between [-2pi:0.01:2pi]. I can't use the command "gradient".. so what shall i do? ... 2 Apr 2010 20:23