Answered
sum of series with vectors
Rhoo = 300e-5; Caplambda = 1e-4; Beta = [24 123 117 262 108 45]; lambda = [0.0127 0.031 0.116 0.3106 1.4006 3.876]; t = [0:1...

16 dagen ago | 0

Answered
Derive base 10 logarithm from base 2 log output
The formula is: For any given base b, you need to compute a constant .

16 dagen ago | 1

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Answered
Can I use a variable name to make logical comparison?
months = ["January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "Decembe...

16 dagen ago | 1

Answered
how to calculate row values based on the previous row value of a column?
a= [1,2,3,4,5,6,7,8,9,10]; b = 100; % initial value for i=1:numel(a) b= (a(i)*b)+b; fprintf("i=%2d b=%d\n", ...

16 dagen ago | 0

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Answered
Finding largest data from table
X1=[9 6 9 0;3 2 7 0]; X2=[0 2;4 0]; X3=[3 1 2; 8 9 7]; X4 = X1; X=table(X1,X2,X3,X4) len = table2array(varfun(@(x) size(x...

16 dagen ago | 0

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Answered
Plotting an array on both x and y axis and different formulas, check description
i = 0:0.1:7; j = 7:0.1:10; yi = 2*i; yj = 3*j; plot(i, yi); hold on plot(j, yj)

17 dagen ago | 0

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

17 dagen ago | 0

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

17 dagen ago | 0

Answered
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...

17 dagen ago | 0

Answered
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

19 dagen ago | 0

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

19 dagen ago | 0

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

19 dagen ago | 0

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Answered
"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);

19 dagen ago | 0

Answered
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...

19 dagen ago | 0

Answered
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)

20 dagen ago | 2

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Answered
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...

21 dagen ago | 0

Answered
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,...

21 dagen ago | 0

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Answered
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...

21 dagen ago | 0

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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...

21 dagen ago | 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];...

21 dagen ago | 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;...

21 dagen ago | 0

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Answered
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...

22 dagen ago | 0

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Answered
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)), ...

22 dagen ago | 1

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

22 dagen ago | 0

Answered
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) ...

22 dagen ago | 0

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

23 dagen ago | 0

Answered
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 + ...

23 dagen ago | 0

Answered
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"; ...

23 dagen ago | 0

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

23 dagen ago | 1

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Answered
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...

23 dagen ago | 1

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