Meg Noah

Last seen: alrededor de 1 mes hace | Con actividad desde 2016

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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; ...

más de 2 años hace | 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 ...

más de 2 años hace | 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...

más de 2 años hace | 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...

más de 2 años hace | 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...

más de 2 años hace | 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...

más de 2 años hace | 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...

más de 2 años hace | 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;...

más de 2 años hace | 0

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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...

más de 2 años hace | 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...

más de 2 años hace | 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...

más de 2 años hace | 1

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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 ...

más de 2 años hace | 1

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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...

más de 2 años hace | 0

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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...

más de 2 años hace | 0

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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; ...

más de 2 años hace | 0

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Reconstructing Audio from Spectrogram
istfit then wavwrite?

alrededor de 3 años hace | 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',',')

alrededor de 3 años hace | 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)]; ...

alrededor de 3 años hace | 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);

alrededor de 3 años hace | 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...

alrededor de 3 años hace | 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...

alrededor de 3 años hace | 0

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

alrededor de 3 años hace | 0

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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...

más de 3 años hace | 0

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

más de 3 años hace | 0

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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

más de 4 años hace | 0

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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...

más de 4 años hace | 2

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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...

más de 4 años hace | 0

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

más de 4 años hace | 1

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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...

más de 4 años hace | 1

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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...

más de 4 años hace | 0

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