Statistiques
RANG
23 718
of 294 577
RÉPUTATION
1
CONTRIBUTIONS
17 Questions
1 Réponse
ACCEPTATION DE VOS RÉPONSES
47.06%
VOTES REÇUS
2
RANG
of 20 127
RÉPUTATION
N/A
CLASSEMENT MOYEN
0.00
CONTRIBUTIONS
0 Fichier
TÉLÉCHARGEMENTS
0
ALL TIME TÉLÉCHARGEMENTS
0
RANG
of 152 032
CONTRIBUTIONS
0 Problèmes
0 Solutions
SCORE
0
NOMBRE DE BADGES
0
CONTRIBUTIONS
0 Publications
CONTRIBUTIONS
0 Public Chaîne
CLASSEMENT MOYEN
CONTRIBUTIONS
0 Point fort
NOMBRE MOYEN DE LIKES
Feeds
Question
how to reverse matrix?
i want to reverse the order of row or column, example if i have matrix 2 4 7 7 8 5 it will become(column) 7 4 2 ...
plus de 11 ans il y a | 1 réponse | 0
1
réponseQuestion
how to make histogram?
i have a data of closing price for various stock, i want to make a histogram from it, and i want the histogram to be drawn as on...
plus de 11 ans il y a | 2 réponses | 0
2
réponsesQuestion
how to find lambda from this formula?
det (A - lambda * I) = 0 where: A= a square matrix, ex: [2 5 4;8 6 9;3 4 6] I= identity matrix
presque 12 ans il y a | 1 réponse | 0
1
réponseQuestion
how to remove some row or column of a matrix at once?
lets say i have a 100x100 matrix and i want to remove row 71-100 so it become 100x70 matrix
presque 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
how to add string matrix to numeric matrix?
example: from a=[rice;corn;wheat] b=[3;4;3] become c=[rice 3;corn 4;wheat 3]
presque 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
what is the meaning of this?
Parse error at '=':usage might be invalid MATLAB syntax.
presque 12 ans il y a | 1 réponse | 0
0
réponseQuestion
how to create matrix of string and use it in mathematic operation?
example a=[1;0;1;1;0] b=[ben;james;mike;ralph;will] c=a.*b c=[ben;mike;ralph]
presque 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
how to find maximum or minimum element in a matrix?
example a=5 b=8 c=2 d=6 x=[a b c d] how to find minimum or maximum element of matrix x? the answer i want is its variab...
presque 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
how to find matrix in a matrix?
i have matrix a and b. matrix b is created from matrix a components(rows in this case). now i want to find out from which row of...
presque 12 ans il y a | 1 réponse | 0
1
réponseQuestion
can someone tell me whats wrong with my coding?
i make this, and it work just fine clear all clc load matrix4; b=a [x,y]=size (b) d=9999999999999999999999...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
matrix, using variables like a1,a2,a3,...an, minimum
how to take matrix element (i.e row) one by one and save each new matrices in a new variable example: original matrix: a=...
plus de 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
matrix manipulation
how to take matrix element (i.e row) one by one and save each new matrices in a new variable example: original matrix: a=[2...
plus de 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
invers from covariance of a matrix*matrix'
given a is a matrix, is the matrix of covariance of (a*a') is always singular?
presque 13 ans il y a | 2 réponses | 0
2
réponsesQuestion
normal distribution test
i have historic data (daily) of 30 stock from 250 day (i make 30x250 matrix from it), now i want to test whether this data is no...
presque 13 ans il y a | 5 réponses | 1
5
réponsesQuestion
matrix manipulation
how to remove row(s) or column(s) of a matrix and save the new matrix with different name? and is there any limit on how big of...
presque 13 ans il y a | 1 réponse | 0
1
réponseQuestion
how to count row and column of a matrix
if i have a big matrix and i don't know its size, how to find out its size? and how to save it as variable?
presque 13 ans il y a | 3 réponses | 1
3
réponsesQuestion
how to extract matrix column and make new matrixes from the extracted column?
how to extract matrix column and make new matrixes from the extracted column? if you name the column a, b, and c then i want to ...
presque 13 ans il y a | 2 réponses | 0