Answered
How to find all intersections in a Matlab graph?
USe this file exchange: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections?requestedDomain=

8 dagen ago | 0

Answered
Storage results in an array
x=[2,3,4,5,6]; y=zeros(size(x)) ; for i = 1:length(x) if x(i)>4 y(i)=x(i)^2 else y(i)=x(i)+2 ...

8 dagen ago | 0

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Answered
What does 'li' mean?
1i stands for complex number. i.e. sqrt(-1). c=2+3*i c=2+3*1i

8 dagen ago | 0

Answered
how can I extract 2D matrices for xy, xz, yz planes from a 3D matrix and use the pcolor function?
Read about slice. This is your function.

8 dagen ago | 0

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Answered
How to read the desired coordinates from this image and find the coordinates with the highest value
You have plotted this image with the coordinates in hand. USe max function to get the maximum value. Read about function max. ...

8 dagen ago | 0

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Answered
How do I plot and return the values of multiple intersections between a function and zero?
You can consider using this: https://in.mathworks.com/matlabcentral/fileexchange/22441-curve-intersections

8 dagen ago | 0

Answered
find minimum from cell array
T = readtable('my_excel.xlsx') ; [val,idx] = min(T.(2)) ; % get minimum from col2 iwant = T.(1)(idx) ; % get the value I...

8 dagen ago | 0

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Answered
I have matrix A and I need to find (e^(At)) where t is the sampling time. How to find that? Also what is the difference between exp(A) and expm(A)?
A = rand(2) ; t = linspace(0,1) ; iwant = zeros(2,2,100) ; for i = 1:100 iwant(:,:,i) = exp(A*(t(i))) ; end exp might ...

8 dagen ago | 0

Answered
how to visualize a data with lon, lat and time array
file = 'EDGAR_HTAP_emi_NOx_2010.0.1x0.1.nc' ; x = ncread(file,'lon'); y = ncread(file,'lat'); Z = ncread(file,'emis_tot') ;...

9 dagen ago | 1

Answered
How do i find max value between 1 and 13 column of 1001 columns.
x = rand(1,1001) ; y = reshape(x,[],13) ; % reshape iwant = max(y,[],2) ; % get max

9 dagen ago | 0

Answered
Running time Average of column values
If A is your column array. iwant = cumsum(A)./(1:numel(A))

9 dagen ago | 1

Answered
Interpolation of 3 dimensional values from a excel file
Read about interp2. T = readtable('https://in.mathworks.com/matlabcentral/answers/uploaded_files/771628/excel%20table.xlsx') ; ...

9 dagen ago | 0

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Answered
How can I run the calculation of one equation through a range of variables in one loop
You can proceed something like below. No need to use loops. i = 1; S_T = 0:3:60 ; TS_T =(deg2rad(S_T));%incline in Radia...

9 dagen ago | 0

Answered
Alternative way of defining a variable
a = zeros([],1) ; b =[] ; But it depends. What is the requirement?

10 dagen ago | 0

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How to strrep only certain strings
x = {'e-.00085';'8.5e-4'}; y = strrep(x,'e','')

10 dagen ago | 0

Answered
Sorting cell array based on distance
Read about knnsearch. This will give you the nearest points from a set points for a given point. This will work for you.

10 dagen ago | 0

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Answered
How to get a square matrix out of a augmented matrix?
n = 5 ; A = rand(n) ; % square matrix B = eye(size(A)) ; % Identity matrix Ag = [A B] ; % augemented matrix

11 dagen ago | 0

Answered
How to find yield point and plot strain hardening part?
file = 'https://in.mathworks.com/matlabcentral/answers/uploaded_files/770221/highstrain.csv' ; T = readtable(file) ; x = T.X ...

11 dagen ago | 0

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Answered
How can I get the sea ice concentration data corresponding to the latitude and longitude from the geotiff file?
filename = 'N_20180101_concentration_v3.0.tif' ; [A,R] = readgeoraster(filename) ; % If not try geotiffread [m,n] = size(...

11 dagen ago | 0

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Answered
Movie function with subplots: error "Unrecognized method, property..."
Try replacing the line: [h, w, p] = size(f(1).cdata); % use 1st frame to get dimensions with [h, w, p] = size(M(1).cdata);

11 dagen ago | 0

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Answered
Plot of a Time Variable
As you have data every second, you need to do hourly mean to get 24 values. You have two options. Reshape the data into 24*m; ...

11 dagen ago | 0

Answered
How can I specify maximum and minimum of a parameter inside a loop
minC = 0; maxC = 0; for i=1:50 A(i)=f(i); B(i)=f(A); C(i)=F(B); if C > maxC maxC = C ; ...

11 dagen ago | 0

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Answered
plot a table of two columns
If T is your table. To plot use: plot(T.(1),T.(2))

11 dagen ago | 1

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Answered
Write function that returns true if (inputmatrix > 0)
A = rand(5) ; P = A > 0.5

11 dagen ago | 0

Answered
Why isn't the plot showing up? (new on programing)
x = linspace(-10,10,100); y = @(x) (x.^2 + x.^2 + 3.*x)./(x.^2 + 4.*x + 5); % element by elememnt division plot(x,y(x),'r','L...

11 dagen ago | 0

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Answered
How to get the centerline of a binary region
You can get the indices of white pixels using find and to the data you can try fitting a line or quadratic equation using polyfi...

12 dagen ago | 3

Answered
Transforming 4 sets of 1x4 matrix into a 4x4 matrix
zetaliq=zeros(4); for j=1:4 zetaliq(j,:)=(pi/6).*rholiq.*(X1.*m1.*d1^(j-1)+X2.*m2.*d2^(j-1)) ; end zetaliq

12 dagen ago | 0

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Answered
Grouping data into bins and then plotting them
You can calculate the every three hours mean using the fuction retime. Read about it. To see the variation of every hours, stria...

12 dagen ago | 0

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Answered
How to delete some of anonymous variables randomly?
Multiply each variable with a constant array, and assign this contant array with 0 and 1. See to it that, randomly only three 1'...

12 dagen ago | 0

Answered
Array indices must be positive integers or logical values.
%Euler Method %parameters g=9.81; rho=1.2; s=0.00011; m=0.023; Cd=0.9; %Initial Condition V0=0; V=zeros([],1); %I...

12 dagen ago | 1

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