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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...

quasi 3 anni fa | 0

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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 ...

quasi 3 anni fa | 0

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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...

quasi 3 anni fa | 1

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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 ...

quasi 3 anni fa | 1

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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 ...

quasi 3 anni fa | 1

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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_...

quasi 3 anni fa | 0

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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...

quasi 3 anni fa | 1

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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...

quasi 3 anni fa | 1

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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)...

quasi 3 anni fa | 0

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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...

quasi 3 anni fa | 0

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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)'; ...

quasi 3 anni fa | 1

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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;

quasi 3 anni fa | 0

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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...

quasi 3 anni fa | 0

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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))...

quasi 3 anni fa | 0

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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...

quasi 3 anni fa | 1

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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...

quasi 3 anni fa | 0

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

quasi 3 anni fa | 1

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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...

quasi 3 anni fa | 1

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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], [-...

quasi 3 anni fa | 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 ...

quasi 3 anni fa | 0

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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...

quasi 3 anni fa | 1

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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 ...

quasi 3 anni fa | 0

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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...

quasi 3 anni fa | 1

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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...

quasi 3 anni fa | 1

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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...

quasi 3 anni fa | 0

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find inverse of distribution function
See the help doc with icdf

quasi 3 anni fa | 0

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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...

quasi 3 anni fa | 0

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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 ...

quasi 3 anni fa | 1

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