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Julián Francisco


Polytechnic University of Madrid

自 2011 起处于活动状态

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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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提问


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...

13 years 前 | 3 个回答 | 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...

13 years 前 | 1 个回答 | 0

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提问


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...

13 years 前 | 3 个回答 | 1

3

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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...

13 years 前 | 2 个回答 | 2

2

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提问


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...

13 years 前 | 3 个回答 | 0

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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: <...

13 years 前 | 1 个回答 | 0

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提问


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

13 years 前 | 1 个回答 | 0

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已回答
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...

13 years 前 | 0

提问


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 ...

13 years 前 | 2 个回答 | 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...

13 years 前 | 2 个回答 | 1

2

个回答

提问


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 ...

13 years 前 | 3 个回答 | 3

3

个回答

已回答
[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...

13 years 前 | 0

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

13 years 前 | 0

提问


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...

13 years 前 | 2 个回答 | 0

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提问


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...

13 years 前 | 2 个回答 | 0

2

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提问


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...

13 years 前 | 1 个回答 | 0

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提问


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...

13 years 前 | 2 个回答 | 0

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提问


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...

13 years 前 | 1 个回答 | 0

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提问


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...

13 years 前 | 1 个回答 | 0

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已回答
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!...

13 years 前 | 0

提问


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...

13 years 前 | 2 个回答 | 0

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提问


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...

13 years 前 | 1 个回答 | 0

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提问


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','...

13 years 前 | 2 个回答 | 0

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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 ...

13 years 前 | 2 个回答 | 0

2

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已回答
Display window for text file
Here is the solution for a generic archive called 'textfile.txt': f = figure('menu','none','toolbar','none'); fid = fopen('...

13 years 前 | 0

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提问


Display window for text file
Target: Visualize a text file inside a box which has a scrollbar.

13 years 前 | 1 个回答 | 0

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已回答
How 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...

13 years 前 | 1

提问


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...

13 years 前 | 3 个回答 | 0

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提问


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...

13 years 前 | 4 个回答 | 1

4

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提问


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...

13 years 前 | 1 个回答 | 0

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