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Question
avoid loop in matrix multiplicatoion
This is a function to multiply 2 matrix ( of quaternions) i need to avoid loops what should i do function a = matrice_mul...
9 years ago | 1 answer | 0
1
answerHow do I concatenate cells in each row in a matrix?
a = [ 8 1 6 ; 1 2 3 ; 4 5 6 ] [l c ] = size (a) ; b = cell (l,1); for i =1 : l b {i,...
9 years ago | 0
| accepted
Question
Error using vertcat Dimensions of matrices being concatenated are not consistent.
i have 2 cell array the first one is size ( 81 *1 ) the seconde one is size ( 1 * 1 ) when i use vectcat i get and ...
9 years ago | 1 answer | 0
1
answerQuestion
the mse in neural networks
i had built a neural network in the weights update step the mean error quadratiqur go directly to 0 for example mean error ...
9 years ago | 0 answers | 0
0
answersQuestion
Too many input arguments error
i have my function testnetwork function result = TestNetwork(network, input) result = input; b= [-1 -1 -1 -1...
9 years ago | 1 answer | 0
1
answerQuestion
matrix of vectors in matlab (cell of arrays)
This is my matrix a = {[1 2 3 4]; [5 6 7 8]; [9 10 11 12]} I need to calculate the exponential li...
9 years ago | 1 answer | 0
1
answerPlotconfusion - How to adjust size?
hi i have the same problem did u found the solution ?
9 years ago | 0
Question
Plotconfusion - How to adjust size?
I am using the plotconfusion command to plot a confusion matrix. There are approximately 27 classes and the result of the plotco...
9 years ago | 0 answers | 0
0
answersQuestion
index exceeds matrix dimensions: matlab
This is my code i get the error index matrix dimensions in this line: network.meansqrerr {n} = plus( network.meansqrerr ...
9 years ago | 0 answers | 0
0
answersQuestion
index exceeds matrix dimension
| *This is my code i get the error index matrix dimensions in this line: network.meansqrerr {n} = plus( network.meansqrer...
9 years ago | 1 answer | 0
1
answerQuestion
sum square error in quaterions
there is a way to get the sum square errror in quaterions
9 years ago | 0 answers | 0
0
answersQuestion
symsum for quaternions in matlab
i need to sum series (symsum) but with quaterions i tried this code to sum my meansquare errors but it dosen't works ...
9 years ago | 0 answers | 0
0
answersQuestion
Rerplace Nan by a number in a matrix
a = { [5 5 5 6 ] [ Nan Nan Nan Nan]; [ 7 8 8 8 ] [1 2 3 5] } i want to replace a{1,2} by [1 1 1 1 ] it is possible because...
9 years ago | 1 answer | 0
1
answerQuestion
quaterions to string in matlab
i need a function like num2str for quaterions in matlab u can help me
9 years ago | 1 answer | 0
1
answerQuestion
multiplication of matrix on matlab .*
a= ( 1 ; 2 ; 3 ; 4 ) b= (1 ; 5 ; 6 ; 7) f = a.*b = (1 ; 10 ; 6 18 ; 28) what is the name of .* in maths
9 years ago | 1 answer | 0
1
answerQuestion
ind2vec with quaterions matlab
i need to implement a function ind2vec but for a quaterion not for a reeal number but i don't have any idea because i m impleme...
9 years ago | 1 answer | 0
1
answerQuestion
intialise a matrix with matlab
i need to initialise a matrix but i don't know the dimension of the matrix there is any way to do it ?
9 years ago | 1 answer | 0
1
answerQuestion
sigmoide of a quaterion with matlab
normally sigmoide(x) = 1/(e-(x) +1) i don't hwo can i calculate the sigmoide of quaterion a have some probleme in the divisio...
9 years ago | 0 answers | 0
0
answersQuestion
multiply two matrix of quaterions
hello how we can multiply 2 matrix of quaterions exemple C = {[1 2 3 4 ] [5 6 7 8 ] ; * {[1 2 3 4 ] [5...
9 years ago | 1 answer | 0
1
answerQuestion
coefficient of a matrix on matlab
Hello assuming we have four matrices A = [1 2; 3 4]; B = [5 6; 7 8]; C = [9 10; November 12]; D = [13 14; 15 16]; ...
9 years ago | 2 answers | 0
2
answersQuestion
Matrix quaternions opérations in matlab
hello how we cal multiply 2 2 matrix of quaterions alsoo plus 2 matrix of quaterions
9 years ago | 0 answers | 0
0
answersQuestion
generate random quaterions with matlab
hello every body there is any way to generate a matrice of quaterions randomly in matlab ? for example a = rand (5,6) (5 ...
9 years ago | 0 answers | 0
0
answersQuestion
quaterions neural network: Too many input arguments.
hello every body i have to implement a quaterionic neural network i had 4 function train build crate and the main f...
9 years ago | 1 answer | 0
