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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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Solved
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
12 years ago
Solved
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:...
12 years ago
Solved
Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...
12 years ago
Solved
radius of a spherical planet
you just measured its surface area, that is the input.
12 years ago
Solved
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 ...
12 years ago
Solved
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...
12 years ago
Solved
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...
12 years ago
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...
12 years ago | 3 answers | 0
3
answersQuestion
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...
12 years ago | 1 answer | 0
1
answerQuestion
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...
12 years ago | 3 answers | 1
3
answersQuestion
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...
12 years ago | 2 answers | 2
2
answersQuestion
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...
12 years ago | 3 answers | 0
3
answersQuestion
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: <...
12 years ago | 1 answer | 0
1
answerQuestion
Animation improvement
I have written a code to create an animation: <http://www.mathworks.com/matlabcentral/answers/24642-invalid-object-handle-error/...
12 years ago | 1 answer | 0
1
answerInvalid 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...
12 years ago | 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 ...
12 years ago | 2 answers | 0
2
answersQuestion
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...
12 years ago | 2 answers | 1
2
answersQuestion
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 ...
12 years ago | 3 answers | 3
3
answers[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...
12 years ago | 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...
12 years ago | 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...
13 years ago | 2 answers | 0
2
answersQuestion
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 ago | 2 answers | 0
2
answersQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 2 answers | 0
2
answersQuestion
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 ago | 1 answer | 0
1
answerQuestion
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 ago | 1 answer | 0
1
answerPlease 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 ago | 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...
13 years ago | 2 answers | 0
2
answersQuestion
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 ago | 1 answer | 0