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Combining Rows of a Table based on Matching first column entry?
Tcell ={'Air Force' 2011 13 7 6 'Akron' 2011 12 1 11 'Alabama...

oltre 2 anni fa | 0

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3d plots with multi inputs
There are may ways of volume visualization. Check the document site: https://www.mathworks.com/help/matlab/volume-visualization...

oltre 2 anni fa | 0

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Warning: Matrix is singular to working precision
Make sure your matrix "a" is full rank (rank(a) should be 6 instead of 5). a=[1, 0, 0, 0, -0.25, 0; 0, 1, 0, -0.25, 0, -0.25; 1...

oltre 2 anni fa | 0

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plot the surface using ezsurf for the surfaces 𝑧1 = 𝑥cos (𝑦), 𝑧2 = 𝑦𝑒^( 𝑥 2−5) and label the axes.
ezsurf(@(x, y) x .* cos(y)) % Leave the next one for you to try

oltre 2 anni fa | 0

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Making a look-up table periodic
theta = (-180:180); x = randn(size(theta)); % Look up table/interpolant F = griddedInterpolant(theta, x); % wrap the input...

oltre 2 anni fa | 0

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Is it possible to concatenate columns of a tensor into a single column?
A =randn(10,1,10); B = A(:)

oltre 2 anni fa | 0

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"find" is not finding what I want it to?
Try the following: AI=find(3.0<areas & areas<200); % AE=find(3.0>areas & areas<200); AE=find(3.0>areas | areas<200);

oltre 2 anni fa | 0

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Bar width according to a duration type data in a bar graph
x = 1:10; % x data y = randi(10, size(x)); % y data w = rand(size(x))/2; % width for i =1 : nume...

oltre 2 anni fa | 0

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How to factor symbolic equations
syms c SE1=c^2-2*c+1; SQ1=SE1==25; % you can factor a symbolic function but not an equation factor(SE1) factor(SE1-25)

oltre 2 anni fa | 2

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Error while reading image in loop to perform some operation on all images in folder
function recursiveFile() % Files=dir('D:\datasets\PRImA_LayoutAnalysisDataset\PRImA Layout Analysis Dataset\Images\*.tif'); fo...

oltre 2 anni fa | 0

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How to plot multiple audio files horizontally in MATLAB
n = 1000; t = (0:n-1)'*.0001; x = randn(n, 6); % 1000 samples 6 channels y = 0.2*x + (1:6); % scale the x by 0.2,...

oltre 2 anni fa | 0

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what to do when i get unrecognized function or variable
You need to define the function y(t). y = @(t) cos(t); % eg. y(t) = cos(t) tmin=-3;tmax=5;dt=0.02; t=tmin:dt:tmax; y...

oltre 2 anni fa | 1

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interpreting frequency vs phase plot in fft
The output of the FFT has zero values in most frequency bins(with some leaking effect due to the fact that frequencies of sinoso...

oltre 2 anni fa | 0

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How to change the color of singular bars on a bar graph if the value is below the lower limit of the error bar?
weeks = [12:24] weight = [0.128125 0.16125 0.205 0.258125 0.321875 0.39875 0.491875 0.601875 0.73 0.879375 0.948125 1.1 1.32];...

oltre 2 anni fa | 0

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(Important )How to generate numbers in matlab? Need help.
You can generate 2 random numbers in the given range and sort these 2 numbers out. img1 = imread('peppers.png'); data=5; %100;...

oltre 2 anni fa | 0

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Why do upsample and downsample commands give wrong results in start of sequence?
All time axes start from 0. % Up/Down Sampler clear all close all clc x=[1 2 3 4]; % Input Sequence y=upsample(x,3); % Ups...

oltre 2 anni fa | 0

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Plotting ellipses with parametric curves
% First ellipse t = linspace(0,2*pi,200); a = sqrt(2); b = sqrt(2/3); x = a.*cos(t); y = b.*sin(t); %plot(((1/2)*(x.^2)), ...

oltre 2 anni fa | 1

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Risposto
How to convert Data from 'yyyyMMddhhmm' format to datetime format
dstr = ["202201010000.000" "202301010000.000"] t = datetime(dstr,'InputFormat','yyyyMMddHHmm.SSS')

oltre 2 anni fa | 0

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how to smooth the corners of a map
You can interpolate the data first before using contourf. For example, you can use scatteredInterpolant (with method "natural) ...

oltre 2 anni fa | 0

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Deleting certain elements from an array without looping
fileNames = {'ThisIsADummyFile', '012345678901234567891'} idx = cellfun(@(x) length(x)~=21, fileNames) fileNames(idx) =[]

oltre 2 anni fa | 0

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How to find pythagorean triangle's hypotenuse in a matrix?
a = [5 8 12 3; 8 12 63 20; 9 84 144 20; 24 11 15 180]; b = [12 6 5 4; 15 35 16 21; 40 13 17 99; 7 60 112 19]; c = sqrt(a.^2 + ...

oltre 2 anni fa | 1

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How can I make an animation out of contourf plots?
figure for t=10:10:100 % t is the percent number in the file name subplot(121) fn = "T_timestep_"+t"_precent"; ...

oltre 2 anni fa | 0

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plot half Wave rectied sindus
t=0:0.01:1; y=10*sin(8*pi*t); y(y<0) = 0; plot(t, y)

oltre 2 anni fa | 1

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Does intlinprog find a local minimum or global minimum?
MILP is NP-hard problem. All solvers require some heuristic rules and the global optimum can not guarenteed for larger problems...

oltre 2 anni fa | 1

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hw 2 solve this
y = (cosd(35) - secd(35)^2)/tand(70)

oltre 2 anni fa | 0

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How can I plot 'period' by using fft functoin??
Fs = 1000; % Sampling frequency T = 1/Fs; % Sampling period L = 1500; ...

oltre 2 anni fa | 0

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envelope rms implementation review
"envelope" removes the mean first before doing movrms and it restore the mean offset in the end. If you nake sure the signal is...

oltre 2 anni fa | 0

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Why Does fplot() Show a Phantom Pole?
The default number of t points (23) is not big enough to show the details around t=0. Change it to a larger value. syms t real...

oltre 2 anni fa | 1

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Interpolating over a grid
Use scatteredInterpolant instead. tykkelse_002536 = readmatrix('https://www.mathworks.com/matlabcentral/answers/uploaded_files/...

oltre 2 anni fa | 0

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How to create helical sinusoidal plot in matlab
Is this what you want? dh = 2; %0.5; % adjust this to see more detains a = 42; h = 20; R = 45; N = h/dh; m = 1; for n =...

oltre 2 anni fa | 1

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