Julián Francisco
Polytechnic University of Madrid
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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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34 Questions
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Publish your first review
Awarded to Julián Francisco on 09 Oct 2019
Contribute at least one answer each month for 3 consecutive months
Awarded to Julián Francisco on 20 Jul 2017
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Awarded to Julián Francisco on 20 Jul 2017
Provide your first answer ever to someone else's question
Awarded to Julián Francisco on 20 Jul 2017
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Awarded to Julián Francisco on 16 May 2012
Feeds
Question
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...
presque 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
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...
environ 12 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
environ 12 ans il y a | 3 réponses | 1
3
réponsesQuestion
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...
plus de 12 ans il y a | 2 réponses | 2
2
réponsesQuestion
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...
plus de 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
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: <...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Animation improvement
I have written a code to create an animation: <http://www.mathworks.com/matlabcentral/answers/24642-invalid-object-handle-error/...
plus de 12 ans il y a | 1 réponse | 0
1
réponseInvalid 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...
plus de 12 ans il y a | 0
Question
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 ...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 12 ans il y a | 2 réponses | 1
2
réponsesQuestion
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 ...
plus de 12 ans il y a | 3 réponses | 3
3
réponses[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...
plus de 12 ans il y a | 0
Multicolumn legend
Here is my solution for a legend which has a 'SouthOutside' location (I have supposed that the axes graphic object has 'normaliz...
plus de 12 ans il y a | 0
Question
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...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
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...
plus de 12 ans il y a | 1 réponse | 0
1
réponsePlease 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!...
plus de 12 ans il y a | 0
Question
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...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
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...
plus de 12 ans il y a | 1 réponse | 0
1
réponseQuestion
Setting colors for plot function
I would like to be able to choose the colors for a multiline plot but I can not get it. This is my code colors = {'b','r','...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesQuestion
Modify choices for a ListBox Callback
I would like know how I could simplify(modify) the hSelecVarIndCallback function. I want to avoid the repetition of the choices ...
plus de 12 ans il y a | 2 réponses | 0
2
réponsesDisplay window for text file
Here is the solution for a generic archive called 'textfile.txt': f = figure('menu','none','toolbar','none'); fid = fopen('...
plus de 12 ans il y a | 0
| A accepté
Question
Display window for text file
Target: Visualize a text file inside a box which has a scrollbar.
plus de 12 ans il y a | 1 réponse | 0
1
réponseHow do I get a colormap from JPEG file?
Here is the solution for my question based on the answer of Walter Robertson: [X, map] = rgb2ind(imread('neptune.jpg'),12...
plus de 12 ans il y a | 1
Question
How do I get a colormap from JPEG file?
Hi. I have a jpg image file of the surface of Neptune. My intention is to build a texture mapping ( <http://www.mathworks.es/hel...
plus de 12 ans il y a | 3 réponses | 0
3
réponsesQuestion
Simple Piece of Code for improvement
Hi. It is known that MATLAB works slow with for loop. I have tried to vectorize the following code without success. Perhaps I am...
plus de 12 ans il y a | 4 réponses | 1
4
réponsesQuestion
Mex-file using a vector class definition
I am trying to create a Mex-file from a C++ code source file to use it with Matlab. I have compiling errors due to the vector cl...
presque 13 ans il y a | 1 réponse | 0
1
réponse
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