Réponse apportée
Regarding Genetic Algorithm Optimization- How to stop GA tool after each generation
t=0.2; % or any other reasonable time value while exist('filename.extension','file')==2 pause(t) end
Regarding Genetic Algorithm Optimization- How to stop GA tool after each generation
t=0.2; % or any other reasonable time value while exist('filename.extension','file')==2 pause(t) end
environ 12 ans il y a | 0
Réponse apportée
problem with if test to test the increment in time
T = 1e-4; h = T/100; n = 1000;%par exemple Ts = 0:T:n*T; j = 1; for t =0:h:n*T if ismembc(t,Ts) ...
problem with if test to test the increment in time
T = 1e-4; h = T/100; n = 1000;%par exemple Ts = 0:T:n*T; j = 1; for t =0:h:n*T if ismembc(t,Ts) ...
environ 12 ans il y a | 0
Réponse apportée
interpolate data points problem
At least one entry in Y is NaN (Not-A-Number). To find it, type in the command window: find(isnan(Y)) You should check ...
interpolate data points problem
At least one entry in Y is NaN (Not-A-Number). To find it, type in the command window: find(isnan(Y)) You should check ...
environ 12 ans il y a | 0
| A accepté
Réponse apportée
How to reduce execution time? "If" and "ismember" functions
To make ismember function faster, replace it with either *ismembc* or *ismembc2* functions. *ismembc* returns an array of logica...
How to reduce execution time? "If" and "ismember" functions
To make ismember function faster, replace it with either *ismembc* or *ismembc2* functions. *ismembc* returns an array of logica...
environ 12 ans il y a | 0
Réponse apportée
How to find the indices of element occuring once in a vector?
A=[1 1 -1 0 0 0 1 0 1 1]; [~,c]=histc(A,unique(A)); out=find(c==1);
How to find the indices of element occuring once in a vector?
A=[1 1 -1 0 0 0 1 0 1 1]; [~,c]=histc(A,unique(A)); out=find(c==1);
environ 12 ans il y a | 0
Réponse apportée
How to find the indices of element occuring once in a vector?
A=[1 1 0 -1 0 0 1 0 1 1]; [~,c]=histc(A,unique(A)); out=A(c==1);
How to find the indices of element occuring once in a vector?
A=[1 1 0 -1 0 0 1 0 1 1]; [~,c]=histc(A,unique(A)); out=A(c==1);
environ 12 ans il y a | 3
Réponse apportée
code of euler's method
A simple application of Euler method: Define the function: function E=euler(f,a,b,ya,M) h=(b-a)/M; Y=zeros(1,M+1);...
code of euler's method
A simple application of Euler method: Define the function: function E=euler(f,a,b,ya,M) h=(b-a)/M; Y=zeros(1,M+1);...
environ 12 ans il y a | 1
| A accepté
Réponse apportée
To sum functions which have two unknowns and finding the min values of these unknowns
See if this works: F=zeros(200,1); xy=zeros(200,2); BS=rand(4,2); r=rand(200); for ti=1:200 for m=1:4 ...
To sum functions which have two unknowns and finding the min values of these unknowns
See if this works: F=zeros(200,1); xy=zeros(200,2); BS=rand(4,2); r=rand(200); for ti=1:200 for m=1:4 ...
environ 12 ans il y a | 0
Réponse apportée
How to generate a total random 6 by 6 Latin Square?
Look at the following: http://www.mathworks.com/matlabcentral/fileexchange/12315-latsq/content/latsq.m Hope this helps!
How to generate a total random 6 by 6 Latin Square?
Look at the following: http://www.mathworks.com/matlabcentral/fileexchange/12315-latsq/content/latsq.m Hope this helps!
environ 12 ans il y a | 0
Réponse apportée
How to make an anonymous function whose variable is itself a function of another variable?
z = @(phi) cos(phi).^2 + 4*sin(phi).^2 phi = @(x) x.^3 + 4*x.^2 + x +3 z(phi(3))
How to make an anonymous function whose variable is itself a function of another variable?
z = @(phi) cos(phi).^2 + 4*sin(phi).^2 phi = @(x) x.^3 + 4*x.^2 + x +3 z(phi(3))
environ 12 ans il y a | 1
| A accepté
Réponse apportée
how to make output a for loop subtract sequentially a data set below it to give sum of differences
Do you want this: b=2; c=1; d=1; n=4; Y=b*c*d*n; X = [10 13 15 12 17 23 26 19]; f = [1 4 8 10 12 16 18 20];...
how to make output a for loop subtract sequentially a data set below it to give sum of differences
Do you want this: b=2; c=1; d=1; n=4; Y=b*c*d*n; X = [10 13 15 12 17 23 26 19]; f = [1 4 8 10 12 16 18 20];...
environ 12 ans il y a | 0
| A accepté
Réponse apportée
Breaking a function into components?
Make a function named myfunc as follows: %---------------------- function out=myfunc(a,vec) out=a.*vec; end %----...
Breaking a function into components?
Make a function named myfunc as follows: %---------------------- function out=myfunc(a,vec) out=a.*vec; end %----...
environ 12 ans il y a | 0
Réponse apportée
How to generate an array alternating the values of two others?
A = [1 2 3 4 5 6]; B = [10 20 30 40 50 60 70 80 90 100 110 120 130 140 150]; M1=[A,A,A(1:3)]; M2=B; M=[M1;M2]; Se...
How to generate an array alternating the values of two others?
A = [1 2 3 4 5 6]; B = [10 20 30 40 50 60 70 80 90 100 110 120 130 140 150]; M1=[A,A,A(1:3)]; M2=B; M=[M1;M2]; Se...
environ 12 ans il y a | 1
Réponse apportée
fminunc stopped because it exceeded the function evaluation limit, options.MaxFunEvals = 100 (the default value).
Define the objective function by setting its output with the opposite sign as follows: function F=fun(x) F=-0.2662*x.^6+...
fminunc stopped because it exceeded the function evaluation limit, options.MaxFunEvals = 100 (the default value).
Define the objective function by setting its output with the opposite sign as follows: function F=fun(x) F=-0.2662*x.^6+...
environ 12 ans il y a | 0
| A accepté
Réponse apportée
hi am working on a code for gaussian elimination
The correct function is: function [x,U]=gausselim(A,b) % function to perform gauss eliminination %FORWARD ELI...
hi am working on a code for gaussian elimination
The correct function is: function [x,U]=gausselim(A,b) % function to perform gauss eliminination %FORWARD ELI...
environ 12 ans il y a | 1
| A accepté
Réponse apportée
How can I solve system of the matrix differential equation within MATLAB?
eqn = 'D2y - A*Dy - B*y = C'; inits2 = 'y(0)=a, Dy(0)=b'; y=dsolve(eqn,inits2,'x') where a and b are the initial or bou...
How can I solve system of the matrix differential equation within MATLAB?
eqn = 'D2y - A*Dy - B*y = C'; inits2 = 'y(0)=a, Dy(0)=b'; y=dsolve(eqn,inits2,'x') where a and b are the initial or bou...
environ 12 ans il y a | 0
Réponse apportée
trying to delete 2 cells of Nans, NOT To delete the row
At least one of the values of JT_S_TN([13,14,15,34,35,36,55,56,57,76,77,78],2) must be equal to 2 and at least one of the ...
trying to delete 2 cells of Nans, NOT To delete the row
At least one of the values of JT_S_TN([13,14,15,34,35,36,55,56,57,76,77,78],2) must be equal to 2 and at least one of the ...
environ 12 ans il y a | 0
Réponse apportée
matlab sovle newton raphson method
Look for the following Newton-Raphson solver in the File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/44315-...
matlab sovle newton raphson method
Look for the following Newton-Raphson solver in the File Exchange: http://www.mathworks.com/matlabcentral/fileexchange/44315-...
environ 12 ans il y a | 0
Réponse apportée
simpsons rule in matlab
a= Initial point of integration interval b= Last point of integration interval n= number of sub-intervals (panels) of in...
simpsons rule in matlab
a= Initial point of integration interval b= Last point of integration interval n= number of sub-intervals (panels) of in...
environ 12 ans il y a | 0
Réponse apportée
a problem with for loop and indexinf
A={Array_1;Array_2;Array_3;Array_4;Array_5;Array_6;Array_7;Array_8;Array_9;Array_10}; for k=1:10 AR{k}=exp(A{k})+A{k...
a problem with for loop and indexinf
A={Array_1;Array_2;Array_3;Array_4;Array_5;Array_6;Array_7;Array_8;Array_9;Array_10}; for k=1:10 AR{k}=exp(A{k})+A{k...
environ 12 ans il y a | 0
Réponse apportée
delete a NAN but leave a zero instead to be later taken out
A=[NaN 0; 1 3; 1 3; 1 3; 2 4; 2 4; 2 4; 3 1; 3 1; 3 1; 4 2; 4 2; 4 2; NaN 0; 5 4]; sizA=size(A,1); A=A(:); ...
delete a NAN but leave a zero instead to be later taken out
A=[NaN 0; 1 3; 1 3; 1 3; 2 4; 2 4; 2 4; 3 1; 3 1; 3 1; 4 2; 4 2; 4 2; NaN 0; 5 4]; sizA=size(A,1); A=A(:); ...
environ 12 ans il y a | 0
| A accepté
A soumis
Stroop Test
Test two key cognitive skills, response inhibition and selective attention
plus de 12 ans il y a | 2196 téléchargements |
A soumis
Fractional differentiation and integration
The n-th order derivative or integral of a function is calculated through Fourier series expansion.
plus de 12 ans il y a | 1769 téléchargements |
A soumis
General Single Step Single Solve integration algorithm
Direct linear or nonlinear explicit or implicit time integration of structural dynamics problems
plus de 12 ans il y a | 1322 téléchargements |
Réponse apportée
How to copy a sub-matrix/vector along diagonal of a larger matrix with varying number of sub-matrices?
e = ones(n,1); A = full(spdiags([e 2*e 3*e], 0:2, n, n+2)) A = full(spdiags(A, 0:5, n, n+5)) A = full(spdiags(A, 0:8, n...
How to copy a sub-matrix/vector along diagonal of a larger matrix with varying number of sub-matrices?
e = ones(n,1); A = full(spdiags([e 2*e 3*e], 0:2, n, n+2)) A = full(spdiags(A, 0:5, n, n+5)) A = full(spdiags(A, 0:8, n...
plus de 13 ans il y a | 0
Réponse apportée
Correlation: is this correct?
Dear Nuchto, See this: x=rand(4,30); y=10*x+5; corr=sum(zscore(x',1).*zscore(y',1))'/size(x,2) this is different from...
Correlation: is this correct?
Dear Nuchto, See this: x=rand(4,30); y=10*x+5; corr=sum(zscore(x',1).*zscore(y',1))'/size(x,2) this is different from...
plus de 13 ans il y a | 0
Réponse apportée
problem during running my "while" loop?
How are X0 and Y1 defined? George
problem during running my "while" loop?
How are X0 and Y1 defined? George
plus de 13 ans il y a | 0
Réponse apportée
How to vectorize this loop ?
window_length = 10; X(X==0)=Inf; X_2=repmat(X,1,length(X)-window_length); X_3=triu(X_2,-window_length)-tr...
How to vectorize this loop ?
window_length = 10; X(X==0)=Inf; X_2=repmat(X,1,length(X)-window_length); X_3=triu(X_2,-window_length)-tr...
environ 14 ans il y a | 0
Réponse apportée
Matlab Error (Z must be a matrix, not a scalar or vector.)?
Is this what you want? x = -2.5:.1:2.5; y = -2.5:.1:2.5; [X,Y] = meshgrid(x,y); Z = 2*sin(X.*Y); mesh(X,Y,Z) g...
Matlab Error (Z must be a matrix, not a scalar or vector.)?
Is this what you want? x = -2.5:.1:2.5; y = -2.5:.1:2.5; [X,Y] = meshgrid(x,y); Z = 2*sin(X.*Y); mesh(X,Y,Z) g...
environ 14 ans il y a | 4
| A accepté