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# ELISABETTA BILLOTTA

Last seen: Today Active since 2021

PhD Student

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Question

calculate the minimum probability
I have in one case two matrices and in the other case three matrices of size 2922x1. the values within the matrices are probabil...

12 hours ago | 2 answers | 0

### 2

Question

plot in logarithmic scale
can someone tell me how in a 3d graph I can plot linearly the X and Y axis, while the Z axis (ZZ in this case) to plot it in log...

8 days ago | 2 answers | 0

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Question

smoothing of a 2d distribution
Hello, what I would like to do is try to smooth and make this map more homogeneous and in particular the probability values,...

17 days ago | 1 answer | 0

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Question

does anyone know a command that allows me to plot the world map but with the coordinates in radians and not with degrees ??? t...

2 months ago | 0 answers | 0

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Question

how to smooth the corners of a map
I have a map of this type generated with the command "contourf(XX,YY,ZZ);" where XX is the longitude value, YY is the latitud...

2 months ago | 1 answer | 0

### 1

Question

to solve the problem: Index in position 1 exceeds array bounds. Index must not exceed 10
i have this code: x = [0 0 71 355 676]; v = [0 7 30 70]; xq = z1; ...

3 months ago | 1 answer | 0

### 1

Question

summations and selections of the columns of a matrix
I have a matrix of this type 10 15 37 16 6 4 3 5 15 66 85 96 17 89 15 82 58 66 78 100 I have to ...

3 months ago | 1 answer | 0

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Question

how can i fix this error "Array indices must be positive integers or logical values"?
knowing that z2 is a function that determines the angles, vq2 are velocities determined with interpolation, d are reference angl...

3 months ago | 1 answer | 0

### 1

Question

how to connect interpolation and probability
starting from 3 distance values and 3 speed values I managed to create this grid by interpolating all the values (the colored ...

4 months ago | 1 answer | 0

### 1

Question

calculate distance and angles between points in a grid
I have created a grid of this type where for each point I know the coordinates and each point of the grid is one degree both i...

5 months ago | 1 answer | 0

### 1

Question

how to INTERPOLATE starting from three circles
Through the information of 3 distances and 3 wind speeds I was able to create circles as shown in the figure where each point ...

5 months ago | 1 answer | 0

### 1

Question

add data information with scatter or plot
I created circles like these with the plot and scatter function. but now I have to figure out how I can enter a different valu...

5 months ago | 1 answer | 0

### 1

Question

create circular dot grids
I have the plot of the borders of the continents. how can i create circles like those in the picture? I have the latitude and ...

5 months ago | 1 answer | 0

### 1

Question

maps and isolines on the map of the continents
after having visualized the boundaries of the continents in the form of a map, I would like to create isolines within this map w...

6 months ago | 1 answer | 0

### 1

Question

probability- punctual graphs
starting from values of intensity and direction of the wind, I created the graphs relating to the probability of obtaining certa...

6 months ago | 0 answers | 0

### 0

Question

create maps with file .txt
i have latitude and longitude values in a .txt file. How can I create a map from this data? and how can I add curves on this map...

6 months ago | 1 answer | 0

### 1

Question

calculate distance with latitude and longitude
i have some netcdf files. how do i calculate the distance between two points and between two areas within a grid having the lati...

9 months ago | 1 answer | 0