photo

maryam


自 2013 起处于活动状态

Followers: 0   Following: 0

消息

统计学

  • Thankful Level 3

查看徽章

Feeds

排序方式:

提问


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 ...

8 years 前 | 0 个回答 | 0

0

个回答

提问


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...

9 years 前 | 1 个回答 | 0

1

个回答

提问


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...

9 years 前 | 2 个回答 | 0

2

个回答

提问


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...

9 years 前 | 1 个回答 | 0

1

个回答

提问


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=...

9 years 前 | 2 个回答 | 0

2

个回答

提问


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...

9 years 前 | 3 个回答 | 0

3

个回答

提问


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...

10 years 前 | 2 个回答 | 0

2

个回答

提问


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...

10 years 前 | 1 个回答 | 1

1

个回答

提问


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...

10 years 前 | 1 个回答 | 0

1

个回答

提问


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...

10 years 前 | 1 个回答 | 0

1

个回答

提问


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...

10 years 前 | 1 个回答 | 0

1

个回答

提问


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...

10 years 前 | 1 个回答 | 0

1

个回答

提问


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 ...

10 years 前 | 4 个回答 | 0

4

个回答

提问


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...

10 years 前 | 2 个回答 | 0

2

个回答

提问


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...

10 years 前 | 2 个回答 | 0

2

个回答

提问


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...

10 years 前 | 1 个回答 | 0

1

个回答

已回答
how 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

10 years 前 | 25

| 已接受

提问


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

10 years 前 | 3 个回答 | 0

3

个回答

提问


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...

11 years 前 | 1 个回答 | 0

1

个回答

提问


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

11 years 前 | 3 个回答 | 0

3

个回答

提问


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 ...

11 years 前 | 1 个回答 | 0

1

个回答

提问


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 ...

11 years 前 | 2 个回答 | 0

2

个回答