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jean claude


Last seen: 3年以上 前 |  2016 年からアクティブ

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質問


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...

3年以上 前 | 1 件の回答 | 0

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質問


Find a number inside a matrix

3年以上 前 | 1 件の回答 | 0

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質問


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)) ...

約5年 前 | 0 件の回答 | 0

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質問


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...

5年以上 前 | 1 件の回答 | 0

1

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回答済み
Finding equal members in a vector
find(x==10)

6年以上 前 | 0

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

6年以上 前 | 0

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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

6年以上 前 | 0

回答済み
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

6年以上 前 | 0

回答済み
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...

6年以上 前 | 0

回答済み
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...

6年以上 前 | 0

回答済み
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')

6年以上 前 | 0

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質問


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...

6年以上 前 | 0 件の回答 | 0

0

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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)...

6年以上 前 | 0

回答済み
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 =...

6年以上 前 | 0

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

6年以上 前 | 0

| 採用済み

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

6年以上 前 | 0

回答済み
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...

6年以上 前 | 1

回答済み
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...

6年以上 前 | 0

回答済み
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...

6年以上 前 | 0

回答済み
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...

6年以上 前 | 0

回答済み
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...

6年以上 前 | 0

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

6年以上 前 | 1

質問


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=...

6年以上 前 | 1 件の回答 | 0

1

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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];

6年以上 前 | 0

回答済み
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) ...

6年以上 前 | 0

回答済み
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....

6年以上 前 | 0

回答済み
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

6年以上 前 | 0

| 採用済み

質問


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...

約7年 前 | 1 件の回答 | 0

1

回答

質問


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...

約7年 前 | 1 件の回答 | 0

1

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質問


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 ...

約8年 前 | 2 件の回答 | 0

2

回答

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