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Meg Noah


Last seen: 5 jours ago Active since 2016

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Submitted


Segment Ellipse into Equal Area Sectors
Can segment from FOCUS or CENTER of ellipse.

6 mois ago | 2 downloads |

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Answered
Reconstructing Audio from Spectrogram
istfit then wavwrite?

6 mois ago | 0

Answered
How do I import a txt file with the white spaces
This seems to work if you don't mind working with a table readtable('file22.txt','whitespace','','delimiter',',')

6 mois ago | 0

Answered
Errorbar plotting in MATLAB
vec1 = rand(20,1); vec2 = 20*rand(20,1)-15*rand(20,1); vec3 = 3*rand(20,1); med = [median(vec1) median(vec2) median(vec3)]; ...

6 mois ago | 0

| accepted

Answered
How to display a percent sign (%) using latex and sprintf
% not using latex loveMetric = 99.99; fprintf(2,'I love matlab: %0.8f %%\n', loveMetric);

6 mois ago | 0

Answered
Getting point cloud directly from a 3D CAD STL Model in Matlab
There is a program on matlab central that returns the coordinates x,y,z that are the point cloud https://www.mathworks.com/matl...

6 mois ago | 0

Answered
4D plot of 3 vectors and 3D array
In this project, I show a couple of 3D vis techniques https://www.mathworks.com/matlabcentral/fileexchange/71774-create-measure...

6 mois ago | 0

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Answered
Best tool for complex classification?
metricvalues = zeros(npts,nvar); % find magnitude and phase of the complex values as metrics % fillup the metricvalues array ...

6 mois ago | 0

Submitted


Ground-Wave Propagation, Earth Surface Dielectric Properties
Compute the attenuation of a LF Ground Wave for a given permittivity and conductivity. Model the complex permittivity of Earth ...

6 mois ago | 4 downloads |

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Create, Measure, Characterize, Visualize 1D, 2D, 3D Fractals
Creation of fractal curves, surfaces, & volumetric density as well as techniques to measure 1D, 2D, and 3D fractal dimension and...

6 mois ago | 13 downloads |

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Negative Zeros of the Airy Functions
Calculates the negative zeros of the Airy functions Ai(Z) or Bi(Z) or the negative zeros of the derivative Airy functions Ai'(Z)...

7 mois ago | 2 downloads |

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Area Normalized 1D Supergaussian and Fitting Noisy Data
Creates area normalized 1D Supergaussian profile.

7 mois ago | 1 download |

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Asteroid Light Curve
Create a nice plot of NEO F4244 asteroid light curve.

7 mois ago | 2 downloads |

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Submitted


SKYLAB
Propagate the July 4, 1979 Skylab TLE to its July 11, 1979 re-entry and crash on Earth.

10 mois ago | 4 downloads |

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RKF method for second order ODE
https://ntrs.nasa.gov/citations/19690021375 Low-order classical Runge-Kutta formulas with stepsize control and their applicatio...

11 mois ago | 0

Answered
RKF method for second order ODE
https://ntrs.nasa.gov/citations/19680027281 Classical Fifth-, Sixth-, Seventh-, and Eighth-Order Runge-Kutta Formulas with Step...

11 mois ago | 0

Submitted


Restful Fortune Cookie
Gets a fortune cookie statement every 10 seconds and updates your cookie paper.

environ un an ago | 1 download |

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Image Texture for Region Classification
Graylevel images can be segmented, characterized by their local texture.

plus d'un an ago | 3 downloads |

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NASA Earthshots Image Getter
Demonstrates how to download NASA Earthshots data with RESTful get.

plus d'un an ago | 2 downloads |

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Submitted


Excel Macro Example: Sun Rise, Set, Transit, Twilight
to demonstrate writing inputs and reading outputs from an xlsm spreadsheet

plus d'un an ago | 2 downloads |

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Plotting stacked graphs with diff x-axis together without any gap
I have an example here: https://www.mathworks.com/matlabcentral/fileexchange/70172-space-weather-data-solar-flux-10-7-cm

plus d'un an ago | 0

| accepted

Answered
How to convert euler angle(roll pitch yaw) to position(x,y,z)
Position is a separate measurement from roll, pitch, yaw. Position is the location of the entity, such as an aircraft. Typical...

plus d'un an ago | 1

Answered
How to write a function for a certain number of random numbers
If the numbers are supposed to be uniformly distributed, then they are between 0 and 1. So just linearly scale the value 0 to th...

plus d'un an ago | 0

Answered
Hurst exponent in matlab
Here's one way, but you'll have to change it to have pixels as length dimensions: %% *fractalDimension* %% *definition* funct...

plus d'un an ago | 1

| accepted

Answered
Initializing multidimensional array and dynamic expansion
If you know the size you want: A = zeros(nrow,ncol); or A = zeros(nrow, ncol1, ncol2,ncol3); etc. Can also initialize to a...

plus d'un an ago | 1

Answered
how to find index of each occurrence of my pattern in a file
This solution will find the lines that contain the whole phrase. The example illustrates how to consider or not consider the cas...

plus d'un an ago | 0

Question


How can uicontrol be used to make an editable dropdown (eg combobox) control?
I'd like to use the uicontrol of matlab and its arguments rather than the uidropdown. But I want the uidropdown functionality o...

plus d'un an ago | 2 answers | 0

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answers

Answered
How to reverse the order of words in string
There's undoubetly better solutions, but: strtrim(strrep(cell2mat([flipud(split('Hello. I. am. Here.'))']),'.','. '))

plus d'un an ago | 1

| accepted

Answered
How to change interval unit of x axis
Here's one way You can do shape downsampling - reshape then sum the lines. I made some data by digitizing yoour plot. It's att...

plus d'un an ago | 0

| accepted

Answered
Loading multiple images, taking mean of them and subtracting background
change the .png for whatever file extension you are using. Are your image greyscale? If not, it might not make sense to backg...

plus d'un an ago | 0

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