Julián Francisco

Polytechnic University of Madrid

Con actividad desde 2011

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MSc Aerospace Engineer. My skills about programming languages are C, Fortran, Maple and Matlab.
Professional Interests: Scientific Computing, Programming Languages, Aerospace Engineering

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

más de 13 años hace

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 13 años hace

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

más de 13 años hace

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Add two numbers
Given a and b, return the sum a+b in c.

más de 13 años hace

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radius of a spherical planet
you just measured its surface area, that is the input.

más de 13 años hace

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

más de 13 años hace

Resuelto

Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

más de 13 años hace

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How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

más de 13 años hace

Pregunta

Matrix multiplication (best computational approach)
I have to make a coordinates transformation between two reference systems (axes). For it, three matrices (3x3) have to be multip...

más de 13 años hace | 3 respuestas | 0

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Hide maximize/minimize and close buttons for a figure window
I have a figure window and I want to remove the maximize/minimize and close buttons of it. I can not use any type of Java contai...

más de 13 años hace | 1 respuesta | 0

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Pregunta

Matlab ResizeFcn callback
I am worried about the look and feel of my GUI designed with Matlab. In concrete, I do not like how the figure window resizing i...

más de 13 años hace | 3 respuestas | 1

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Absolute and relative tolerance definitions
I am trying to understand the following Matlab definitions for RelTol and AbsTol parameters: RelTol — This tolerance is a m...

casi 14 años hace | 2 respuestas | 2

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Pregunta

Zooming in and out removing
I am using the rotate3d function to allow 3D rotation of a sphere through the mouse movement. However, when I rotate it, it zoom...

casi 14 años hace | 3 respuestas | 0

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Pregunta

Marker transparency
I would like to know if there is possible to set the transparency of a line marker to opaque in order to improve my animation: <...

casi 14 años hace | 1 respuesta | 0

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Animation improvement
I have written a code to create an animation: <http://www.mathworks.com/matlabcentral/answers/24642-invalid-object-handle-error/...

casi 14 años hace | 1 respuesta | 0

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Respondida
Invalid object handle error
Finally, I have found that there was a cla command line, which was the guilty of the error, in the main program before the surfa...

casi 14 años hace | 0

Pregunta

Invalid object handle error
I have the following code which is a graphic rendering of the movement of a satellite around the Earth. function ex global ...

casi 14 años hace | 2 respuestas | 0

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Updating a string inside a callback
The following code is a graphic rendering of the Earth globe spinning eastward. I have two push buttons, Spin and Stop. Both sha...

casi 14 años hace | 2 respuestas | 1

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Feedback for me
Hi community members. In the last weeks, I have found my questions are not getting answers. This makes me ask myself if perhaps ...

casi 14 años hace | 3 respuestas | 3

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Respondida
[DISCONTINUED] Wish-list for MATLAB Answer sections.
I would like to propose an "achievements" system similar to existing one for other Q&A sites (for example <http://stackoverflo...

casi 14 años hace | 0

Respondida
Multicolumn legend
Here is my solution for a legend which has a 'SouthOutside' location (I have supposed that the axes graphic object has 'normaliz...

casi 14 años hace | 0

Pregunta

Multicolumn legend
I would like to be able to create a legend to have a number of columns given (for default the legend function has an unique colu...

casi 14 años hace | 2 respuestas | 0

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Pregunta

FontSize for the image's legend
I have the following code: X = 0:pi/100:0.25*pi; Y1 = sin(X); Y2 = cos(X); Y3 = tan(X); fh = figure('toolba...

casi 14 años hace | 2 respuestas | 0

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Excel header title from html code
I have a GUI with an uitable whose header's title (variable "header") uses html code. I want to export the uitable data (include...

casi 14 años hace | 1 respuesta | 0

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Html code used along with Matlab
I have recently found that Matlab can use LaTeX character sequences. However, they only can be used by the functions text, title...

casi 14 años hace | 2 respuestas | 0

2

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Pregunta

Automatic choice of graphics format file for print command
I have the following code: X = 0:pi/100:2*pi; Y = sin(X); fh = figure('toolbar','none','menubar','none','Units','characte...

casi 14 años hace | 1 respuesta | 0

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respuesta

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Size and resolution from an image saved as a graphic format file
I have the following code to save a plot to a graphics format file. My problem is with the image obtained. If I save the image a...

casi 14 años hace | 1 respuesta | 0

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Respondida
Please Help in MATLAB .
The trigonometric function sin(x) can be approximated by the infinite series sin(x) = x^1/1! – x^3/3! + x^5/5! – x^7/7! + x^9/9!...

casi 14 años hace | 0

Pregunta

Save a plot to a graphics format file
I am designed the following GUI where there are an axes. I want to save the plot drawn inside them to a graphics format file. Ho...

casi 14 años hace | 2 respuestas | 0

2

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Pregunta

Export uitable's data to a spreadsheet Excel
I have designed a GUI which has an uitable and a push button which, when is pressed, allows to export the uitable's data to an E...

casi 14 años hace | 1 respuesta | 0

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