Question

Extremum of polynomial?
Hello Experts, Consider I have polynomial coefficients vector p = [a_n,...,a_0]. I do d/dx p and get the Derivative of p. ...

bijna 13 jaar ago | 1 answer | 0

Question

Polynomial min/max using coefficients vector?
Hello Experts, Consider I have polynomial and a vector p with it's coefficients. What function in Matlab gets such vector p ...

bijna 13 jaar ago | 1 answer | 1

Question

What to change in code?
Hello Experts, Given the following code: <http://www.mathworks.com/matlabcentral/fileexchange/2305-numerical-methods-using...

bijna 13 jaar ago | 1 answer | 0

Question

Bairstow Method to find polynomial roots matlab code problem
Hello Experts, I need matlab code of the Bairstow method to find polynomial roots. I have found here on our site a guy who wro...

bijna 13 jaar ago | 4 answers | 0

Question

Function output in another function?
Hello Experts, For example I have: function t = test(a) in this function I use another function test2 but I need all th...

bijna 13 jaar ago | 1 answer | 0

Answered
Newton's method problem
You can use this Newton function implementation in general. function n = newton(f,fp,x0,tol,Nmax) n=0; test_val =...

bijna 13 jaar ago | 0

Question

Durand–Kerner method matlab code help? Anyone can help? Can't figure out what is wrong.
Hello Experts, A is a vector of polynomial coefficients and I need to find roots using the Durand-Kerner method. Please have ...

bijna 13 jaar ago | 1 answer | 0

Question

Function Output selection help?
Hello Experts, I have a function func. I know that func can give me [output1,output2] and by default gives me the output1. ...

bijna 13 jaar ago | 1 answer | 0

Question

Vector mirror?
Hello Experts, Given, for example, vector x = [4,-3,5,6]. I want it to be mirrored - x = [6,5,-3,4] How can I do it in Matlab...

bijna 13 jaar ago | 1 answer | 1

Question

Sum polynomials function help?
Hello Experts, I have 2 or more polynomials of different degrees. Let x1 = [1,2,3,4] and x2=[5,6,7,8,9,10] I need to sum ...

bijna 13 jaar ago | 3 answers | 0

Question

Custom Vector - make vector x to be [1,1,....]
Hello Experts, I want to create a vector x where all n elements are for example c. I can do this by: n=5; x=zero...

bijna 13 jaar ago | 2 answers | 0

Question

Multiplication implementation help?
Hello Experts, I need to write MATLAB code and to build a product like this: for i from 1 to d, multiplication (x(i)-x(j)). x ...

bijna 13 jaar ago | 1 answer | 0

Question

Jenkins-Traub Algorithm Matlab Code?
Hello Experts, I need the Jenkins Traub Algorithm for real coefficients. Please give me the code, not a built in function,...

bijna 13 jaar ago | 0 answers | 0

Question

M file problem - spacing
Hello Experts, I have a matlab m-file, when I write for of if and hit enter it doesn't automatically do space. How do I corre...

bijna 13 jaar ago | 1 answer | 0

Question

Anonymous Function Differentiation Problem?
Hello Experts, I have the following function: >>f = @(x) x^2-1. I want to find a function that will do differentiatio...

bijna 13 jaar ago | 5 answers | 1