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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 ...
fast 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
fast 13 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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
fast 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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
etwa 13 Jahre vor | 2 Antworten | 0
2
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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]
etwa 13 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
what is the meaning of this?
Parse error at '=':usage might be invalid MATLAB syntax.
etwa 13 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
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]
etwa 13 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
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...
etwa 13 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
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...
etwa 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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...
etwa 13 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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=...
fast 14 Jahre vor | 3 Antworten | 0
3
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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...
fast 14 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
invers from covariance of a matrix*matrix'
given a is a matrix, is the matrix of covariance of (a*a') is always singular?
fast 14 Jahre vor | 2 Antworten | 0
2
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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...
fast 14 Jahre vor | 5 Antworten | 1
5
AntwortenFrage
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...
etwa 14 Jahre vor | 1 Antwort | 0
1
AntwortFrage
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?
etwa 14 Jahre vor | 3 Antworten | 1
3
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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 ...
etwa 14 Jahre vor | 2 Antworten | 0
