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Deleting Some Specific Entries from a vector
Just do with the following q = abs(yb); p = (q==0|q==1|q==0.6|q==0.8); xa = yb(~p) if it does not work, use a tolerance TO...

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how to convert picoscope data to matlab
Why not save with csv extension. IF you can open with MS access, just use save as, and convert to csv file. matlab can read csv ...

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how to convert explicit function to implicit?
If you feel bored solving it by hand, just use matlab! syms a y x b A eq = a*y - x*(a+1) - A*(x^2-b*a^2*(y-x)^2); y = solve(e...

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How to concatenate two matrices?
A=[1 2;3 4]; B=[5 6;7 8]; C1 = [A,B]'; C = reshape(C1, size(A,2),numel(C1)/size(A,2))' Then C = 1 2 5 ...

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Subgraph from selected edges
hi, friend, you can make EdgeNumber an array that contains all the edge numbers that you are interested in. and make the line ...

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How to make the array automatic shift to next column after looping
Use following command total_five_output = zeros(8752,5); for i = 1:1:5 % .... % your body to generate output total_...

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Rotate geometry at one specified point
Here I added the rotation method for you function Nano_Sphere_Dat_Generator clear clc clf %set value of geometric paramete...

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Partitioning a number into sum of positive real numbers
Hi, friend! I have thought of a search method that saves much time. Firstly, the problem can be converted to V = 1:1:M, there ...

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Subgraph from selected edges
Note that all the endnodes of some given edges may be repeated, as commented by @Sim. Unique is a good way to solve such problem...

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Runge kutta method matlab
Use arrayfun to obtain your solutions and Plot them! x0y0 = [20x2] array? tspan = [0:dt:t_end]; [tsol, xysol] = arrayfun(@(i)...

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FEM post processing: How to plot strain field in MATLAB
Since the strain values to each node can be obtained by interpolate method with the values of the integration point of each ele...

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How can I write a for loop to do algebra over multiple arrays?
Do loop with indices of t: a = linspace(3,28,28)'; b = linspace(4,28,28)'; c = linspace(5,28,28)'; d = linspace(6,28,28)'; ...

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how to access element of map when I don't know unique keys?
You can get keys and values by keys = M.keys; values = M.values;

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How to index match excel file in matlab
You can do with following code T = readtable('example.xlsx', ... 'ReadVariableNames', true,... 'PreserveVariableNames...

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How to combine matrices
Hi, friend! You can achieve this by following command: bhu = reshape(permute(NETPLP,[2,1,3]), 3, size(NETPLP,1)*size(NETPLP,3))...

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I am trying to find the displacement of this below 2nd order differential equation.
Hi, friend! The ode you provided is a 2nd order ode. Follow the code you will know how to solve this ode. But at first, since bo...

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Error in symengine for symbolic integration
This is a bug in matlab. A good way to avoid this bug is just to predefine symbols rather than use constants in the symbolic pro...

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I am trying to plot an stl file but it showing error
Use triplot FV = stlread('Part2.stl'); triplot(FV)

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How to find points inside a region defined by a rotated ellipse
Here is an example of telling how to calculate whether a given point [x y] lie within the regoin defined by this ellipse. funct...

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Filling area between lines with color
If your horizontal coordinates is t array, then patch or fill can help maxTime = max(t(:)); patch([0, maxTime, maxTime, 0], [-...

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How to calculate the whole time that my signal values is more than zero?
If your signal array is A, and with a time array t the same size as A. The total time the signal is greater than zero will be ...

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How can I figure out which element in the array is repeated and how many times?
Hi, friend, using histcounts, things will be simple A = {'A', 'B', 'C'; 'D', 'E', 'F'; 'A', 'G', 'H'; 'C', 'Y', 'C'}; A = cate...

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changing values of RHS with each time step in ODE
Is F time dependent ? If so, just write a function named Force function F = Force(t) t_array = []; % This is t array from xls ...

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Making a matrix of R*C size that takes the values randomly from an array- Y.
Hi, friend! randi is OK, it can help, look Y = [ 1 6 1 8 4 5]; R = 7; C = 8; indices = randi([1,numel(Y)], R, C); A = Y(indi...

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How to extract points from a 3D plot that fall within a particular distance from the center coordinate?
If you have Coor is a n by 3 matrix as the coordinates of n points in 3d space and a fixed point (x,y,z). Then the points within...

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memory shortage: Solve Stiff ODEs
你好！这个直接把 options = odeset('Vectorized','on','JPattern',jpattern(N)); 改写成 options = odeset('Vectorized','on'); 就可以了，因为你给出的ode...

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find inverse of distribution function
See the help doc with icdf

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How Can I solve this equation ?
syms r t m rp q = int(rp*sin(m*pi*r),rp,0,1); % the integral r prime from 0 to 1 V = symsum(exp(m*pi*t)*sin(m*pi*r)*q, m, 1, 1...

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How can one create a timetable with one column (all 1) with beginning date and end date?
I have got your idea and write a code for you: startdate = datetime('2020-01-02'); enddate = datetime('2020-05-15'); dt = end...

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Reshape a vector to a matrix
Just use reshape and transpose it! x=[1 2 3 4 5 6 7 8 9 10] ; A = reshape(x, 5, 2)' Then we get A = 1 2 3 ...

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