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rahman


Last seen: 2 years 前 |  自 2011 起处于活动状态

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file Identifier Error in parfor loop
Hi all I want to write many *.txt file in a parfor loop in MATLAB. I use fopen and fprintf. when I use for-loop, the *.txt fi...

9 years 前 | 1 个回答 | 0

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setting initial Vlaue for optimtool
Hi all I want to minimize a function with an array of 2000 element as input argument using GA optimization algorithm in MATLA...

9 years 前 | 0 个回答 | 0

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提问


the inversion of large impedance matrix in MOM
Hi all I try to analyse a structure using method of moment which produces large dense squared impedance matrix. when I try to...

9 years 前 | 1 个回答 | 0

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matrix index in Parfor loop
Hi all. for code I write below, I want to use Parfor but MATLAB report an Error for definition t(s):ts(s)+a as the index of matr...

10 years 前 | 1 个回答 | 0

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large 3D Matrix calculation
Hi All I have two large matrix and I want to calculate an expression without for loop. this expression is something like matrix...

10 years 前 | 3 个回答 | 0

3

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提问


speech analysis in matlab
Hi all I Have an audio clip from a speech.I want to specify the start and end times of each word in this file.for example suppo...

11 years 前 | 1 个回答 | 0

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提问


hermitian symmetry in IFFT !
Hi all. I have a matrix as a 2D spectrum. now, I want to transform it to time domain. when I use IFFT, the results are complex ...

11 years 前 | 2 个回答 | 0

2

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Calculating the volume inside an arbitrary closed surface
Hi all I want to calculate the interior volume of a closed area. the aria is limited to: -l<x<l , -l<y<l , 0 < z < f(x,y) Cou...

12 years 前 | 2 个回答 | 0

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linking function and GUI
Hi all I want to run a function by clicking a push button and display comment of that function in a text box.How can I do tha...

13 years 前 | 1 个回答 | 0

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提问


creating message dialog box
Hi all I want to create a message dialog box with an arbitrary figure.How can I do that?

13 years 前 | 2 个回答 | 0

2

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提问


meshing a surface in pdetools
Hi all I want to triangular meshing surface z=f(x,y) -that the function of f(x,y) created with a Mfile, and it isn't predefined...

13 years 前 | 1 个回答 | 0

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提问


Variable in PARFOR
Hi I have a loop in my code for calculating a matrix that index of matrix, determined in loop. for example: for ii=1:100...

13 years 前 | 2 个回答 | 0

2

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提问


GA Optimization with considering limitation
Hi all I want to optimize an analytic surface equation [for example :f(x,y)=C1*cos(a1*x)cos(b1*y)+C2*cos(a2*x)*cos(b2*y)+... ...

13 years 前 | 0 个回答 | 0

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提问


matlabpool RAM occupation
Hi all When I use command "matlabpool open 8" in my Mfile, RAM of my system(4G total) occupied up to 70% and it remain in thi...

13 years 前 | 2 个回答 | 0

2

个回答

提问


finding NON in matrix
Hi all In the matrix A which is 1*N matrix, I want to recognize if there is any element equal to NON in it,I replace it by zero...

13 years 前 | 2 个回答 | 0

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提问


expanding matrix
Hi all I want to expand matrix.for example if x=[x1;x2] then the new matrix will be: xx = [x1 x1 x1;x1 x1 x2;x1 x2 x1;x1 x...

13 years 前 | 2 个回答 | 0

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numerical integration
Hi all I want to numerically integral a function with four variable(f(x,y,z,v)).how can I use dblquad?

13 years 前 | 1 个回答 | 0

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提问


erfc with complex number
Hi all I want to compute erfc(.) of a complex number. How can I do that? Is there any way to use erfc(.) of matlab?

13 years 前 | 1 个回答 | 1

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提问


Matrix Conversion
Hi all I have a 1-by-N^4 matrix that I want to convert in to N^2-by-N^2 matrix(for example:a=[1 2 3 4] to b=[1 2;3 4]). I us...

13 years 前 | 1 个回答 | 0

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