提问

how i do weekly average?
Hi all, I have a matrix of 978*744 which is = no. observation*hours in a month. and the attached mat file is the DateTime v...

7 years 前 | 1 个回答 | 0

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提问

how do I plot reference arrow in quiver plot?
Hi all, I have a quiver plot that I want to plot a reference arrow on it? as the attachment shows. could anyone help? th...

7 years 前 | 1 个回答 | 0

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提问

How to fill the grid matrix?
Hi all, I extracted the data from files sequentially. The aim is ordering the values by the grid points; in the grid file, I...

7 years 前 | 1 个回答 | 0

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提问

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...

7 years 前 | 1 个回答 | 0

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提问

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 ...

7 years 前 | 1 个回答 | 0

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提问

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...

7 years 前 | 1 个回答 | 0

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提问

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...

7 years 前 | 2 个回答 | 0

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提问

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...

7 years 前 | 2 个回答 | 0

2

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提问

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...

7 years 前 | 1 个回答 | 1

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提问

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...

7 years 前 | 1 个回答 | 0

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提问

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: ...

7 years 前 | 1 个回答 | 1

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提问

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.

8 years 前 | 1 个回答 | 0

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提问

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...

8 years 前 | 1 个回答 | 0

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提问

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 ...

8 years 前 | 1 个回答 | 0

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提问

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...

8 years 前 | 1 个回答 | 0

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提问

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...

8 years 前 | 3 个回答 | 0

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提问

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...

8 years 前 | 1 个回答 | 0

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提问

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...

8 years 前 | 1 个回答 | 0

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提问

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

8 years 前 | 2 个回答 | 0

2

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提问

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...

8 years 前 | 2 个回答 | 0

2

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提问

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...

8 years 前 | 1 个回答 | 0

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提问

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 years 前 | 1 个回答 | 0

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提问

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 years 前 | 1 个回答 | 0

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提问

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 years 前 | 2 个回答 | 0

2

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提问

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 years 前 | 1 个回答 | 0

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提问

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 years 前 | 2 个回答 | 0

2

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提问

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 years 前 | 2 个回答 | 0

2

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提问

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 ...

8 years 前 | 1 个回答 | 0

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提问

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 ...

8 years 前 | 1 个回答 | 0

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提问

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...

8 years 前 | 1 个回答 | 0

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