Question

how to average multiple monthly data?

Hi all, I've downloaded MODIS satellite monthly average data from 2003-2018 as a .nc files to get SST data. from the extracted...

casi 3 años ago | 1 answer | 0

Question

how to title the plots using for loop?

Hi all, I have a char array (attached) that i want to use it as a title in the for loop any help would be appreciated. ...

alrededor de 3 años ago | 1 answer | 0

Question

how to store the data into 3d matrix?

Hi all, i have two different 3d matrices (lat = 40*1*1461, lon= 23*1*1461) that I apply the following commands to specify th...

alrededor de 3 años ago | 0 answers | 0

Question

how to save and plot different matrix?

Hi all, I've written the following code to get the matrix of SST (sea surface temperature), but also I want to get the plot ...

alrededor de 3 años ago | 0 answers | 0

Question

how to convert character data to double?

Hi all, i have a char array that has these values below, which i want to get a bouble array of it. 01/04/2016 02/04/20...

alrededor de 3 años ago | 1 answer | 0

Question

finding data in a matrix

Hi all, I am in a trouble :( i do have a matrix of 251*28 that I want to extract the data by giving x and y values (columns...

alrededor de 3 años ago | 2 answers | 0

Question

how to flip the direction of the axis?

Dear all, I want to change the x-axis direction from right to left but also keeping the values to be not affected (reversed/...

alrededor de 3 años ago | 1 answer | 1

Question

how to add date in the title ?

Dear all, I have a for loop to get a subplots of (2,5,i) % i = 1:10 that I want to add the title of the plots using speci...

alrededor de 3 años ago | 1 answer | 0

Question

how to do pcolor plots?

Hi all, I've attached an example of the plot that I want to make it. it shows on x-axis = depth y-axis = time z-axi...

alrededor de 3 años ago | 1 answer | 0

Question

how to do the data extraction data from a 3D matrix

Hi all, I have a 3D matrix with a dimension of (251*28*10) that I want to extract a specific data from it. As the extracted...

alrededor de 3 años ago | 1 answer | 0

Question

how to do the 3d averaging ?

Hi all, I have a 3d matrix that has the dim of 61*81*3 (data*data*days) I want to calculate the mean of the 3rd dimension f...

alrededor de 3 años ago | 1 answer | 0

Question

How to create 3d matrix from the 2d matrix?

Hi all, I have a matrix of 251*27 dimension, that I want to store it in the new 3d one that has a dimension of 251*27*10. it...

alrededor de 3 años ago | 1 answer | 0

Question

how to do Polar plot?

Hi all, Thank you for the help in advance. I wanted to plot the data usin' polar plot as the exmple shows https://matplotl...

más de 3 años ago | 2 answers | 0

Question

correlation shows NaN values?

Hi all, I would like to calculate the correlation between two vectors (1*744) for each. but the correlation output gives a ma...

casi 4 años ago | 1 answer | 0

Question

how i do loop over column?

hi all, I have a matrix with the dim of 978 * 744 which I want to loop over a number of a column with time step equal to 168...

casi 4 años ago | 1 answer | 0

Question

how do I match the datetick?

Hi all, I've attached the plot that I want to correct the datetick (it doesn't match with the real date). Could anyone help...

alrededor de 4 años ago | 1 answer | 0

Question

How can I draw the regular arrows for wind vector in a region?

Hello. I tried to draw the wind arrows of u & v winds using the grads. Data is hourly average/month If someone who knows how ...

alrededor de 4 años ago | 0 answers | 0

Question

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...

alrededor de 4 años ago | 1 answer | 0

Question

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...

alrededor de 4 años ago | 1 answer | 0

Question

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...

alrededor de 4 años ago | 1 answer | 0

Question

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...

alrededor de 4 años ago | 1 answer | 0

Question

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 ...

alrededor de 4 años ago | 1 answer | 0

Question

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...

más de 4 años ago | 1 answer | 0

Question

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...

más de 4 años ago | 2 answers | 0

Question

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...

más de 4 años ago | 2 answers | 0

Question

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...

más de 4 años ago | 1 answer | 1

Question

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...

más de 4 años ago | 1 answer | 0

Question

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: ...

más de 4 años ago | 1 answer | 1

Question

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.

casi 5 años ago | 1 answer | 0

Question

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...

alrededor de 5 años ago | 1 answer | 0