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Accept 5 answers given by other contributors
Awarded to maryam on 20 Jul 2017
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how i should enter the inputs, train and test data in a fuzzy model?
hi i used fuzzy logic toolbox for prediction. there are 7 inputs which are data like maximum, average, etc. the inputs are time ...
fast 8 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
mix two matrices to create new one
hi friends. i have two matrices A and B as follows: A=[A1;A2;....;A10] and B=[B1;B2;....;B10]; i want to create 10 new matrice...
fast 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
find the probability in normal distibution
hi everyone. i have two normal distribution curves which met each other at two points A and B. how can i find these two points a...
etwa 9 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
my computer shuts down when i run a matlab code
hi everybody since yesterday i have been trying to run a matlab code (feature extraction using pca). the original matrix is 819...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How can i divide a (matrix) into two parts
i have a 300*10 matrix. i want to divide it into two parts. the size of desired parts are 240*10 and 60*10 respectively. A=...
mehr als 9 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
how to choose matrix columns randomly?
hi all. i have two related matrices (A and B). i want to choose randomly 80% of one matrix's columns (e.g A) and corresponding v...
mehr als 9 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
improve the performance of nprtool
I used the neural network toolbox ( nprtool ) for classifying my objects. i used 75% of data for training and 15% for both valid...
mehr als 9 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
how to cluster using matlab
hi all. im completely new in clustering!would you please explain to me how i can cluster a 8191*300 matrix into 3 groups? thank...
mehr als 9 Jahre vor | 1 Antwort | 1
1
AntwortFrage
change the order of columns in a matrix
hi friends. i have a 8000*300 matrix. i want to change the order of columns so that the most similar columns stand together. co...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
replace "inf " with a value
hi all. i have a 8192*300 matrix. some of its elements are "inf". i want to replace these values with average of cells before a...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
How to create an envelope on a specific signal
could anybody please guide me how i can find the lower & upper envelope on a signal? would you give me a simple example?thank yo...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Intelligent algorithm for classification
hi everybody. i need to classify some data using an algorithm such as neural network. but as you know it doesnt accept inf valu...
mehr als 9 Jahre vor | 1 Antwort | 0
1
AntwortFrage
replacing the NAN with value
hi. i have 2 matrices V & I. some elements of I are zero. then R=V/I returns unavailable values. i need to keep the size of 3 ...
mehr als 9 Jahre vor | 4 Antworten | 0
4
AntwortenFrage
how to use xlsread for creating new matrices?
I have 1000 excel files (named H) and need to import the parameters of sheet 2 (named Q) to 1000 new matrices in matlab for anal...
mehr als 9 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
how to apply Sgolayfilter
hi, i have a noisy signal with sampling frequency of 2*10^5 and nominal frequency of 50 hz. i want to apply sgolay filter to sm...
fast 10 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
finding data of a plot
hi. i have a plot like this and want to find these data value. i use "save work space as" and save data in a .mat file. but whe...
fast 10 Jahre vor | 1 Antwort | 0
1
Antworthow to find non zero minimum
this is simple :) name the matrix A (for example) then : m=min(A(A>0)); m returns the non zero minumum
fast 10 Jahre vor | 25
| akzeptiert
Frage
how to find non zero minimum
hi, i have a [8200,1] matrix with zero and positive values. i need to find non zero minimum. please guide me if you can
fast 10 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
add xy coordinates to a graph
<</matlabcentral/answers/uploaded_files/312/untitled.jpg>> hi, i have a graph like this picture, local maxmimus are shown wit...
fast 11 Jahre vor | 1 Antwort | 0
1
AntwortFrage
add data points to a graph
hi i have a matlab figure, and i'd like to highlight some important points on it, could anybody help me? tnx in advance
fast 11 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
save matlab output to excel
hi i have some data in command window like: n x y 1 9 7 2 2.5 3 3 45 23 ...
fast 11 Jahre vor | 1 Antwort | 0
1
AntwortFrage
add vertical lines to an image
i've loaded an image and i'd like to add some vertical lines on it,could anybody help me? the image is voltage curve and i need ...
fast 11 Jahre vor | 2 Antworten | 0
2
Antworten
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