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Meg Noah


Last seen: 4 days ago Active since 2016

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Submitted


Create an Animated Movie (Facet Model) Cow Meets UFO
These scripts illustrate using facets to create a 3d animated cartoon.

9 months ago | 2 downloads |

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Im designing a game of battleship, but. im trying to use a code to prevent the user from placing a ship out of bounds
Here is a solution with user interaction/prompting: flagInteractive = 1; % prompt user for ship placement flagRepeatable = 0; ...

9 months ago | 0

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how to split image to 3 parts
Here are two ways: close all clear clc [imdata,~] = imread('image.jpeg'); % split into three color channels of equal ...

9 months ago | 0

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How to plot Taylor diagram for four time series.
Here's how: Download this: https://www.mathworks.com/matlabcentral/fileexchange/20559-taylor-diagram And the attached allsta...

9 months ago | 0

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Index exceeds the number of array elements. Index must not exceed 1.
Hi, I was trying to figure out what your data are to help, but I couldn't find it online. I did find a spectrum at simbad. Is...

9 months ago | 0

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How can I plot on the same four figures on my code which changes while list numbers changing?
There's something amiss with the xlsx reading, but that wasn't the question. This will update the plots, with a slight delay be...

9 months ago | 0

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Unwrapping the mesh on 2D plane
Here's one way - it's actually a bit overcomplicated than it needs to be in the code below to make it more general: R = 1; Num...

9 months ago | 0

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Error in copying figure - Variables - Error using Builtin Path - Could not be absulutized
type >> which pathdef It could be that the pathdef.m file is missing. If it is missing, type >> restoredefaultpath >> matl...

9 months ago | 0

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Calculating closing speed between pair of aircraft
Is this what you're looking for? % Given values of positions and velocities of airplanes t0_s = [12.0*3600.0 + 0.0*60.0 + 2.0;...

9 months ago | 0

Answered
Euclidian distance showing different result for different formula
Some code - look at the sizes of the arrays to see why: nsamples = 25; ncomponents = 4; s = RandStream('dsfmt19937','Seed',11...

9 months ago | 0

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Need help on this program
Try something like this: function valid = valid_date(year,month,day) if ((isscalar(year) && year>0 ) && (isscalar(month) && mo...

9 months ago | 1

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When I try simple statistics function normpdf, it does not work.
You can write your own normpdf if that is all you need. Here it is as an anonymous function (see: https://www.originlab.com/doc...

9 months ago | 1

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Answered
Check for missing argument or incorrect argument data type in call to function 'integral'.
One way is to use anonymous functions f = @(x) sqrt(2)*x.^3; g = @(theta) 4+2*(sin(theta).^2); a = integral(f, 0, 9); b ...

9 months ago | 1

Answered
Plot overlapped points (Matlab 2020a)
Just some ideas: npts = 200; true_value = randn(npts,1); Estimates1 = true_value + 0.01*randn(npts,1); Estimates2 = true_val...

9 months ago | 0

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Answered
read and use .txt file
There's a lot of extra characters in your text file. % frequency, amplitude and phase str = fileread('draft.txt'); str = st...

9 months ago | 0

Submitted


Smooth Operator (Stineman 1D Interpolation)
interp1_stineman - interpolates using the Stineman interploation. Demo shows performance against spline and pchip interpolations...

9 months ago | 3 downloads |

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Getting "Error using horzcat." when trying to draw displacement graph for a Mechanism
This executes without error, but I'm unclear about whether it solves your problem. A0A = 12.6; AB = 14; AD = 37.1; EB = 45.5; ...

9 months ago | 0

Submitted


mex Lowtran7
mex version of Lowtran7 original fortran code

11 months ago | 2 downloads |

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Submitted


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

1 year ago | 1 download |

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Reconstructing Audio from Spectrogram
istfit then wavwrite?

1 year ago | 0

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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',',')

1 year ago | 0

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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)]; ...

1 year ago | 0

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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);

1 year ago | 0

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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...

1 year ago | 0

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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...

1 year 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 ...

1 year 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 ...

1 year ago | 2 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...

1 year ago | 4 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)...

1 year ago | 3 downloads |

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Submitted


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

1 year ago | 2 downloads |

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