質問

how to correct the error in the datetime?
Hi all, I wrote the following script to extract some data from the list of files. The date time matrix is still shown some er...

6年以上前 | 1 件の回答 | 0

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質問

how I do header extraction from file?
Hi all, I extracted the numeric data from .tuv file but I still need to extract the date and time which is in the form of ...

6年以上前 | 1 件の回答 | 0

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質問

how I do data gridding ?
hi all, I need your kind help in the data implementation, means that there are two vectors ( latitude and longitude) those I...

6年以上前 | 1 件の回答 | 0

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質問

how to average num of column for each row?
Hi all, Thank for the help in advance. I have a matrix in dim. of 972 (rows) * 715 (columns) I want to make an average o...

6年以上前 | 2 件の回答 | 0

2

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質問

how to naming files sequently?
Hi all, could anyone help me with this file naming (control loop) *TOTL_REDC_2017_07_* 02_0500 the bold part is fixed...

6年以上前 | 2 件の回答 | 0

2

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質問

how to solve the fopen error?
Hi all, I've done the below code to read .txt files and extracting columns from each one. the error appears just from th...

6年以上前 | 1 件の回答 | 1

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質問

quiver plot on coastline map
Hi all I have a matrix of m*n dimension for latitude, longitude, velocity components (u,v) I would like to plot this (quiver...

6年以上前 | 1 件の回答 | 0

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質問

How to open several txt files?
Hello everyone, thank you in advance for the help. I would like to open several text files (loop) named by the following: ...

6年以上前 | 1 件の回答 | 1

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質問

how plot the best fit curve
Hi all, the attached fig shows the daily mean time series data. how can plot the best fit curve? thank you.

7年以上前 | 1 件の回答 | 0

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質問

correlation function lag selection
Hi all, I am working on NN toolbox (NARXNET). As the delays criteria selection, the ID can found from cross-correlation funct...

7年以上前 | 1 件の回答 | 0

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質問

plot using for loop?
hi all, I have the following code to plot 5 different subplot hist. for 5 different matrices but it has the same dim. for each ...

7年以上前 | 1 件の回答 | 0

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質問

What is the difference between trainlm and trainrp?
Hi all does the training function affect on the run data? I compared the result between two different functions (trainrp, trai...

7年以上前 | 1 件の回答 | 0

1

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質問

how to convert wind direction to degrees?
Hi all, I am working with wind speed and direction but the last is in form of compass, thus it required to convert it to degre...

7年以上前 | 3 件の回答 | 0

3

回答

質問

changing the labels?
Hi all, could you please help me to change the x,y label in each plot in the attached fig. Note that the fig is already done a...

7年以上前 | 1 件の回答 | 0

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質問

How to find elements?
hi all, I have a matrix contains +ve, -ve and 0 values. how to find the elements in the range of the -ve values? thank you fo...

7年以上前 | 1 件の回答 | 0

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質問

how coding drag coefficient?
Hi all, I need kindly help to write a code to calculate drag coefficient as the attached figure. thank you in advance

7年以上前 | 2 件の回答 | 0

2

回答

質問

The performance of hidden neurons
Hi all, after several runs of the neural network to select the optimum number of hidden neurons, I found that the performanc...

7年以上前 | 2 件の回答 | 0

2

回答

質問

how to do interpolation?
Hi all, I worked with the time series of the sea level data (non-tidal residual. thus, there is no periodicity in the time s...

7年以上前 | 1 件の回答 | 0

1

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質問

Percentage of variation?
Hi all, could anyone please help me to write this equation to calculate the percentage of variation. every time I got different...

8年弱前 | 1 件の回答 | 0

1

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質問

how to write the percentage into pie chart?
hi all, the attached pie chart shows the percentage of variance. I want to write the percentage inside sector and the txt defi...

8年弱前 | 1 件の回答 | 0

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質問

How to change the mean value in the box plot?
Hi all, I want to replace the mean value in the boxplot to the RMSE. as figure illustrates. Thank you in advance

8年弱前 | 2 件の回答 | 0

2

回答

質問

how to hiding the legend?
Hi all I used Neural Network ToolBox and the plotted regression is one of the toolbox's functions. how can I hiding the legend...

8年弱前 | 1 件の回答 | 0

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質問

how to calculating monthly average?
hi all I just want to be sure about this small monthly averaging code I=1; for i=1: length(x)/30; y(i)=mean(x(I:I+...

8年弱前 | 2 件の回答 | 0

2

回答

質問

erorr in for loop
could you please help me to correct these small calculations w=0:0.02:5; for i=1:length(w) a(i)=w.^4-12.*(w.^2); b(i)=...

8年弱前 | 2 件の回答 | 0

2

回答

質問

why the network performance decreased??
hi all, I applied NARXNET to predicting the time series. the problem is when I used the for loop to find the most optimum HN ...

約8年前 | 1 件の回答 | 0

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質問

cross corrolation vector error
hi all, I have 2 matrices x [5 365], y [1 365]. when I use the command crosscorr to determine the lag this error is appear ...

約8年前 | 1 件の回答 | 0

1

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質問

Different size plotting matrices
Hi all, I want to ask how to plot 3D different size vectors?. Actually, there is 2 matrices (x,y) have the same dim. and the th...

約8年前 | 1 件の回答 | 0

1

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質問

save a table result
Hi all, I have 2 questions. 1- how can I save the Matlab table? 2- how can I calculating the min, max from a specifi...

約8年前 | 1 件の回答 | 0

1

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質問

writing the bar chart value
Hi all, the following chart describes the problem in displaying the bar value why does it not appear as a single value for e...

約8年前 | 1 件の回答 | 0

1

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質問

Averaging data every N rows
hi all, I have a matrix in dim of 8761*5 I want to average the data every 12 rows, starting from the 7th row to 19th and so on....

8年以上前 | 2 件の回答 | 0

2

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