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jean claude


Last seen: 3 years 前 |  自 2016 起处于活动状态

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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...

3 years 前 | 1 个回答 | 0

1

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提问


Find a number inside a matrix

3 years 前 | 1 个回答 | 0

1

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提问


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)) ...

5 years 前 | 0 个回答 | 0

0

个回答

提问


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 years 前 | 1 个回答 | 0

1

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

6 years 前 | 0

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

6 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

| 已接受

提问


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 years 前 | 0 个回答 | 0

0

个回答

已回答
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 years 前 | 0

已回答
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 years 前 | 0

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

6 years 前 | 0

| 已接受

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

6 years 前 | 0

已回答
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 years 前 | 1

已回答
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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

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

6 years 前 | 1

提问


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 years 前 | 1 个回答 | 0

1

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已回答
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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

已回答
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 years 前 | 0

| 已接受

提问


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...

7 years 前 | 1 个回答 | 0

1

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提问


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...

7 years 前 | 1 个回答 | 0

1

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提问


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 ...

8 years 前 | 2 个回答 | 0

2

个回答

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