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ELISABETTA BILLOTTA


Last seen: 1 year 前 |  自 2021 起处于活动状态

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PhD Student

统计学

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probability distributions - problems with the script
I have this script which I have attached. however, the probability distributions that are produced as results are not correct. i...

1 year 前 | 1 个回答 | 0

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help for scaleruler, northarrow
within a map with these coordinates longrd=0:0.1:40; latgrd=30:0.1:55; I have to make this changes: 1) introduce the kilomet...

1 year 前 | 1 个回答 | 0

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file .out and function
Good morning everyone. I have this function that I have attached where selecting and giving the run only from line 45 to 56 I c...

1 year 前 | 0 个回答 | 0

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calculate the maximum at each point of the grid
i have such a script where PP_all is a 100651x1 array and it derives from this formula PP_all=1-((1-P_1_4).*(1-P_1_6).*(1-P_1_9...

1 year 前 | 1 个回答 | 0

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how to calculate the maximum of a probability array
i have such a script where PP_all is a 100651x1 matrix and it derives from this formula PP_all=1-((1-P_1_4).*(1-P_1_6).*(1-P_1_...

1 year 前 | 1 个回答 | 0

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how to find the value of an index in a for loop
lonP = 14.3; latP = 40.4; limlon=[min(longrd),max(longrd)]; limlat=[min(latgrd),max(latgrd)]; ic=0; for i=1:length(longrd)...

1 year 前 | 1 个回答 | 0

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formulas and + or - a percentage
I have a variable V0 (1x6313 double) (i attached) -I must first calculate Vij where the minor extreme is Vi=V0-10% and the majo...

1 year 前 | 1 个回答 | 0

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product between doubles 200*200
I have a series of 200x200 doubles (they are probability values live prob1=200x200). I have to do the multiplication between t...

2 years 前 | 2 个回答 | 0

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randomly sample a pair of values in a double
I have two doubles of the type coord_iso=65x2 double and coord_ce=65x2 double (they are all pairs of geographic coordinates). I...

2 years 前 | 2 个回答 | 0

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add transparency to a contourf
I have an image (a DEM.tif) inserted in the above script where I plotted a map created with contourf. the code is: [AA,EE]=geot...

2 years 前 | 2 个回答 | 0

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how to recreate excel table in matlab
I have a problem. I have attached an excel file to make you understand what I have to do: I have to get in matlab a table/stru...

2 years 前 | 1 个回答 | 0

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calculate distances starting from file.mat double
Hello everybody. I have a problem. I have a .mat file of this type (hatepe_dec.mat is an example) with 4 other .mat files (dou...

2 years 前 | 1 个回答 | 0

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how to write values with dms2degrees
what i have to do is insert an excel table where the coordinates are in degrees, minutes and seconds and convert it to decimal d...

2 years 前 | 1 个回答 | 0

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how to extend a straight line through two points to the y-axis of the plane
I have a graph of this type and I have created the straight line dashed in red that passes through the point of coordinates 0-0 ...

2 years 前 | 0 个回答 | 0

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how to extend a straight line passing through two points until it meets the y axis of the Cartesian plane
I have a graph of this type and I have created the straight line dashed in red that passes through the point of coordinates 0-...

2 years 前 | 2 个回答 | 0

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Operator '>' is not supported for operands of type 'struct'
i have two struct xin_s and yin_s and i need a1 and a2. i wrote: lonsorgente = 14.2; latsorgente = 40.8; a1= xin_s > lonsorge...

2 years 前 | 2 个回答 | 0

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how to create a STRUCTURE composed of variables from .NC files
I have a very heavy set of .NC files (ERA 5 from Copernicus) to use within other scripts. They are the data relating to the char...

2 years 前 | 1 个回答 | 0

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to build a table with XYZ values
I have to build a table in csv format (to be used later in qgis) with 3 values of which XX = longitudes , YY = are latitudes and...

2 years 前 | 3 个回答 | 0

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how to transform files drom double to struct
i need to estrapolate data from matlab and use them in Qgis. I need shapefile data and with shapewrite it doesn't work. cont...

2 years 前 | 1 个回答 | 0

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how to transform files into shapefile for qgis
I need to extrapolate some values to then be able to plot them on QGIS over a DEM. I wrote with che command shapewrite: conto...

2 years 前 | 0 个回答 | 0

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convert matlab results into a format useful for Qgis
I have a series of matrices which are the result of various operations and I have a graph produced with the contourf function wh...

2 years 前 | 1 个回答 | 0

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how to remove values below 0.1?
after doing a series of calculations I obtained a prob(i)=1x27331 double matrix characterized by values ranging from 0 to about ...

2 years 前 | 2 个回答 | 0

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how to view data on a DEM-readhgt
Through the READHGT function I was able to download the DEM data of an area of interest. above this DEM I have to load the maps ...

2 years 前 | 0 个回答 | 0

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how to find intersection point in arrays with for cycle?
I built such a grid: longrd=0:0.1:40; latgrd=25:0.1:65; limlon=[min(longrd),max(longrd)]; limlat=[min(latg...

2 years 前 | 1 个回答 | 0

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extrapolate values from matrices and graphs
I have a chart of this type which derives from this script: for i=1:length(longrd) for j=1:length(latgrd) XX(i,...

2 years 前 | 1 个回答 | 0

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how to display ranges of numbers
I have a script like: alpha_x = sqrt (x1-x2) / 6; beta_x = log (x2 + x1) / 7; epsilon_x = mean (alpha, beta); how do i vie...

2 years 前 | 1 个回答 | 0

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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...

3 years 前 | 2 个回答 | 0

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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...

3 years 前 | 2 个回答 | 0

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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,...

3 years 前 | 1 个回答 | 0

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

3 years 前 | 0 个回答 | 0

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