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Meg Noah


Last seen: Today Active since 2016

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Submitted


mex Lowtran7
mex version of Lowtran7 original fortran code

1 month ago | 4 downloads |

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Submitted


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

8 months ago | 1 download |

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Answered
Reconstructing Audio from Spectrogram
istfit then wavwrite?

8 months 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',',')

8 months 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)]; ...

8 months ago | 0

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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);

8 months 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...

8 months 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...

8 months 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 ...

8 months 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 ...

8 months ago | 6 downloads |

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Submitted


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...

8 months ago | 19 downloads |

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Submitted


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)...

9 months ago | 1 download |

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Submitted


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

9 months ago | 2 downloads |

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Submitted


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

9 months ago | 1 download |

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Submitted


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

12 months ago | 6 downloads |

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

1 year 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...

1 year ago | 0

Submitted


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

1 year ago | 1 download |

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Submitted


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

1 year ago | 3 downloads |

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Submitted


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

1 year ago | 3 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

2 years ago | 2 downloads |

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Answered
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

2 years ago | 0

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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...

2 years 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...

2 years 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...

2 years ago | 1

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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...

2 years 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...

2 years 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...

2 years 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.'))']),'.','. '))

2 years ago | 1

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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...

2 years ago | 0

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