# Giuseppe

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**Content Feed**

Question

How to obtain coloured circles/spheres with and without a colour gradient in plots?

Hi to everyone, I need to insert colored circles and a sphere (only for the Sun) with and without color gradient in plots that r...

1 day ago | 0 answers | 0

### 0

answersQuestion

How to assign filtered data of tables to new tables and then store them into a data structure?

Hello to everyone I proceed to illustrate step by step my program and my issue The first program block import data from 4 .csv f...

4 days ago | 1 answer | 0

### 1

answerQuestion

How to detect and manage occurrencies in a large .csv file?

Hi to everyone! I have a large .csv file that contains results about intersections bewteen two elliptical orbits: asteroids orb...

2 months ago | 1 answer | 0

### 1

answerQuestion

How to use "contains" statement to detect a string without ambiguity?

Hi to everyone, I have a table with some data (attached file table.mat ). In the second column named " Sol_inters " I have thre...

3 months ago | 1 answer | 0

### 1

answerQuestion

How to combine two matlab functions to get only one?

Hi to everyone, I've the following two matlab functions function MA = MA_from_TA(e,TA) % MA_FROM_TA: compute Mean anoma...

5 months ago | 2 answers | 0

### 2

answersQuestion

How to extract consecutive numbers from array of integer numbers?

Hi guys, I have an array of 40000 elements (attached to this question) that contains 20 consecutive groups of integer numbers ...

5 months ago | 1 answer | 0

### 1

answerQuestion

How to create a double scale of units in figures?

Hi guys, I try to explain well my goal: I have a figure with several curves that are in dimensionless units (both x and y valu...

5 months ago | 1 answer | 0

### 1

answerQuestion

How to manage colormap and colorbar in a matlab multi-curves plot?

Hi to everyone, I have a plot with 50 curves that are the orbits of 50 periodic orbits, each orbit correspond to a value of a c...

6 months ago | 1 answer | 0

### 1

answerQuestion

What is the best way to plot many curves as a parameter changes?

Hi to everyone, In my plot I have 50 curves and each of one corresponds to a specific value of a parameter called Jacobi const...

6 months ago | 1 answer | 0

### 1

answerQuestion

How is the best choice to import many tables in matlab?

Hi guys! I'm working with tables importing in matlab. I've a database of 55 tables that store asteroids data and each table has...

7 months ago | 2 answers | 0

### 2

answersQuestion

Is it possible to use a function of Matlab toolbox without installing the tolboox itself?

Hi guys, I need to use the function "wrapTo360" but I want to avoid installing the "Mapping toolbox". Is it possible or do I h...

7 months ago | 2 answers | 0

### 2

answersQuestion

How to import variable names and specific data range (comma separated values) from a .txt file?

Hi guys, I read lots of similar questions but I cannnot solve the problem. I've downloaded Earth ephemerides from NASA JPL webs...

7 months ago | 2 answers | 0

### 2

answersQuestion

How to add extra text to plot legend?

Hi, guys Let us suppose that I have the following simple code: clc; clear all; close all; x = linspace(0, 2*pi, 100); fi...

7 months ago | 1 answer | 0

### 1

answerQuestion

How to add string on x-axis and line starting from some point?

Hi guys, In my figure I want to highlight a value on the x-axis using string and the corrispondent numerical value ("tau_1 = 66...

7 months ago | 1 answer | 0

### 1

answerQuestion

How to solve a complicated algebraic equation with symbolic toolbox?

Hi guys, In the following image there are some expression of some parameters. I need to solve the equality deriving from e...

7 months ago | 1 answer | 0

### 1

answerQuestion

How to get the solutions of inverse cosine (acos) in the interval [0, 2π]?

Hi guys! I've an expression like this one: "cos_omega = ...". I know that the matlab function acos return only the solution i...

7 months ago | 2 answers | 0

### 2

answersQuestion

How to solve second-degree algebraic equation containing elements of struct arrays?

Hi guys, in my script I have two struct arrays and I want to solve a second-degree algebraic equations that involves some thei...

7 months ago | 1 answer | 0

### 1

answerQuestion

How to reduce code lines for data post-processing by using for-loops?

Hi to everyone, I've a livescript where I import two pairs of .txt files that only differ for a number (1 and 2): Planar_Lyapu...

7 months ago | 1 answer | 0

### 1

answerQuestion

How to create a rectangle to locate a zooming area in a plot?

Hi guys! I created an additional box within my figure to zoom a particular area of interest. I put this box in a position as de...

7 months ago | 1 answer | 0

### 1

answerQuestion

What is the fastest and smartest way to import and manage/plot many text files in matlab?

Hi guys! I've processed my data in Fortran and I produced 55 .txt files (as shown in the following image). These files contains ...

8 months ago | 3 answers | 0

### 3

answersQuestion

How to add a new column in a table and then write on a file only some columns?

Hi guys, I've a simple code that reads data from a .csv file (atteched below). I have 56 rows, the first one is the header row...

8 months ago | 2 answers | 0

### 2

answersQuestion

How to plot/visualize (elliptical) orbits of celestial objects in heliocentric reference frame?

Hi guys! I'm solving numerical problems of celestial mechanics in Fortran, the data pre-processing and post-processing is perfo...

8 months ago | 0 answers | 0

### 0

answersQuestion

How can I create a rule to automatically fill blank cells during the table reading with readtable function?

Hi guys! I read a .csv file in matlab following this procedure: home -> importdata -> select my .csv file. Then I properly set ...

8 months ago | 1 answer | 0

### 1

answerQuestion

How can I improve the readability of a text file produced with writetable?

Hi guys! I want to export a matlab table as .txt file by using the function writetable but I've the problem that the exported d...

8 months ago | 1 answer | 0

### 1

answerQuestion

How to display the legend for data of an empty table (0 x 11)?

Hi guys, I've the need tho show the legend for an empty table in my plot. I try to explain better: I read two files, one conta...

8 months ago | 1 answer | 0

### 1

answerQuestion

How to filter a table in matlab according to a condition on the elements of one or more columns?

I read a table from a .csv file, it contains 9 columns (the first two contain strings and the others numbers in double precision...

8 months ago | 1 answer | 0

### 1

answerQuestion

How read the exact number of decimal digits with readtable from a .csv file?

Hi guys, I want to read a .csv file containing numbers with more than 17 decimal digits (I'm not sure of the exact number of t...

8 months ago | 2 answers | 0

### 2

answersQuestion

How to ask to user if to run or not a part of code?

Hi guys, I'd like to show a GUI in which the user can select "yes" or "not" to reply to the answer "Do yo want to plot the 3D tr...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to extrapolate a level curve form a 3D plot of a 2-variables function?

Hi guys! I've a plot of a 3D function of 2 variables and I'm interested into extrapolating the curve that corresponds to CM=0 an...

1 year ago | 1 answer | 0

### 1

answerQuestion

How to explicit a matlab equation by using the symbolic toolbox?

Hi guys, i want to obtain the expression of the velocity V of the following equation without solving the problem "by hand". I've...

1 year ago | 1 answer | 0