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jean claude


Last seen: meer dan 3 jaar ago |  Active since 2016

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all possible combination between matrices
I have 3 matrices with 2 columns but different number of lines, for example; A=[[2,1],[0,6],[4,2]] B = [[0,2],[1,1],[3,4],[0,5...

meer dan 3 jaar ago | 1 answer | 0

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answer

Question


Find a number inside a matrix

meer dan 3 jaar ago | 1 answer | 0

1

answer

Question


ARMA(2,2) maximum likelihood estimation
How to estimate ARMA (2,2) like this one : y = delta + phi*(1.5*y(t-1) - 0.5*y(t-2)) + ut - teta*(1.5*u(t-1) - 0.5*u(t-2)) ...

meer dan 5 jaar ago | 0 answers | 0

0

answers

Question


getting new tables from another
hi, how to get table just for smith; a table for william , and a table for johnson ? imagine i have many rows with different co...

meer dan 5 jaar ago | 1 answer | 0

1

answer

Answered
Finding equal members in a vector
find(x==10)

meer dan 6 jaar ago | 0

Answered
How to implement a Correlated Brownian Motion correctly
here is a clear demonstration <http://www.goddardconsulting.ca/matlab-monte-carlo-assetpaths-corr.html>

meer dan 6 jaar ago | 0

Answered
Error: Z must be a matrix, not a scalar or vector
read <https://www.mathworks.com/help/matlab/ref/meshgrid.html here> you didn't use meshgrid in the right way

meer dan 6 jaar ago | 0

Answered
how to add multidimensional array
if you mean how to create 3D matrix 5*5*5 you can use x(1:5,1:5,1:5)=0 % full of zero here

meer dan 6 jaar ago | 0

Answered
Perform least squares regression to determine the coefficients a and b ussing the manipulation
look <https://ece.uwaterloo.ca/~dwharder/NumericalAnalysis/06LeastSquares/transformations/complete.html here> T=[77 100 185...

meer dan 6 jaar ago | 0

Answered
Correlation Matrix of a 1x1 Structure
first step you have to construct the big matrix then compute the correlation: X=struct2array(here type your structure tit...

meer dan 6 jaar ago | 0

Answered
How to calculate the value of correlation coefficient r using Spearman correlation coefficient test?
if you have the statistics toolbox you can use [RHO,PVAL] = corr(x,y,'type','Spearman')

meer dan 6 jaar ago | 0

| accepted

Question


theoric vs empiric PDF & CDF
hello guys, i want to know if there is a better way to compare the empiric PDF to the theoric PDF of a *normal distribution samp...

meer dan 6 jaar ago | 0 answers | 0

0

answers

Answered
Manipulation Rules for Special Matrice
there is many ways to do it, you can for example assign i rows, j rows in a matrix of ones; then multiply by pi x=ones(4,6)...

bijna 7 jaar ago | 0

Answered
How do i calculate a sum using a function?
as i understand you want to sum 1+2+...n so you can use function S = Ma_somme(n) S = 0 ; for i =...

bijna 7 jaar ago | 0

Answered
Plotting data from a table .mat file
x=table2array(your table title); read <https://www.mathworks.com/help/matlab/ref/table2array.html here>

bijna 7 jaar ago | 0

| accepted

Answered
multiple vectors histogram plotting
look at this example; it plots this matrix 24x3 load count.dat hist(count) legend('Intersection 1',... 'Intersect...

bijna 7 jaar ago | 0

Answered
How to save output in different column for each loop
you have to design the dimension of your output matrix, example if it is 10x3 set i(number of rows) and j(number of columns), t...

bijna 7 jaar ago | 1

Answered
Writing if function to Plot graph?
you can use this code y=zeros(35,1); for x = 1:35 if x < 6 y(x)=2; elseif 6<= x && x<20 y(x)= x...

bijna 7 jaar ago | 0

Answered
how to handle 'nested' arrays
hi maho, i didn't understand what do you want exactly, but you can read here <https://www.mathworks.com/help/matlab/ref/strsplit...

bijna 7 jaar ago | 0

Answered
How do i remove the letter a user inputs from a word?
i thisnk it works function [newstr, num] = removeLetter(str, letter) A=double(str); B=double(letter); C=upper(let...

bijna 7 jaar ago | 0

Answered
How do i remove the letter a user inputs from a word?
function [newstr, num] = removeLetter(str, letter) A=double(str); B=double(letter); numRemoved=0; for i=2:length(A...

bijna 7 jaar ago | 0

Answered
How do I assign rows of a matrix to an array?
B= num2cell(A(2:3,:))

bijna 7 jaar ago | 1

Question


plotting n paths of geometric brownian motion
hello, i wanna plot say 30 paths of gbm, my problem is how to plot those paths cause my matrix (X1) is 3 dimensions dt=...

bijna 7 jaar ago | 1 answer | 0

1

answer

Answered
how can i store a value of a calculation in a loop
try this put it just before end of the loop quantvalue=[]; quantvalue=[quantvalue quant];

bijna 7 jaar ago | 0

Answered
display while loop output as an array
function [output] = hailstone_sequence(n) output=[n]; h = 1; while(n~=1) if n==1 return elseif mod(n,2) ...

bijna 7 jaar ago | 0

Answered
MATLAB import tool (Import as a string array)
hello this is simple you have to use importdata function change fichier by your fichier-title mydata = importdata('fichier....

bijna 7 jaar ago | 0

Answered
How can I use "OR" in this situation? I want it to show if x==2 or d~=0
if x==2 || d~=0 disp('Given value is a prime!') end

bijna 7 jaar ago | 0

| accepted

Question


left outerjoin without changing initial order in the output
i want to make outerjoin in such way to have output C keeping the same order as the key variable, precisely my key variable is...

meer dan 7 jaar ago | 1 answer | 0

1

answer

Question


how to match daily returns ?
hello everyone, i have the dependent variable with daily returns y (1 column ), in the other hand daily returns for the independ...

meer dan 7 jaar ago | 1 answer | 0

1

answer

Question


swiching elements of same vector
hi everybody, i have vector X=[ 20; 0; 0;0; 100; 0;0;0;50]; i would like to have X=[0;0;0;0;20;0;0;0;100]; so ...

meer dan 8 jaar ago | 2 answers | 0

2

answers

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