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Approximate Value Using Taylor Polynomial
syms x f = (sin(x).^2).*(cos(x)) T = taylor(f,x,'order',10) double(subs(T,5))

3年以上前 | 0

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Index in position 2 exceeds array bounds. Index must not exceed 1. Error in refPose = data.ActorSpecifications(1,46).Waypoints;
Change this line: refPose = data.ActorSpecifications(1,46).Waypoints; to refPose = data.ActorSpecifications(46,1).Waypoints;

3年以上前 | 0

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reshape help doing PCA when all images contained in one .mat file
Your X data is of size 3240X20, you cannot reshape its each column to size 64X56..because 64X56=3584~=3240. So you need to use y...

3年以上前 | 0

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Loop variable for readtable arguments
txtFiles = dir('*.txt') ; N = length(txtFiles) ; for i = 1:N T = readtable(txtFiles(i).name) end

3年以上前 | 0

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3D matrix transpose and dimensioning
% Data for demo A{1,1} = rand(3,3,3) ; A{2,1} = rand(3,3,3) ; A{3,1} = rand(3,3,3) ; A{4,1} = rand(3,3,3) ; A % Conversio...

3年以上前 | 1

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How can I split the excuation of multiple for loops ?
for k = 1:10 for i=1:5 X1(i) = do some calculation X2(i) = do some calculation end en...

3年以上前 | 0

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Hello, I've got the problem. Can any one help me with that error?
It looks there is some problem with conditions. Check the conditions. Without the conditions it is working fine. syms x(t) Dx...

3年以上前 | 0

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How to name axes from the script
plot(rand(1,10)) labelx = input('Input Xlabel:') ; labely = input('Input Ylabel:') ; xlabel(labelx) ylabel(labely)

3年以上前 | 0

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how can I calculate A^n when n is a symbolic positive integer?
A = [1/2,1/2,0,0;1/2,0,1/2,0;1/2,0,0,1/2;0,0,0,1] syms n positive integer A.^n

3年以上前 | 0

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Find the minimum and maximum value of internal intervals in an array
clc; clear all ; array = [1 2 3 NaN NaN NaN -1 0 5 NaN 0.25 NaN 5 6 7]; M = array' ; idx = isnan(M); ...

3年以上前 | 1

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Find coordinates of point on original image after using interp2
A=round(rand(10).*10); [nx,ny] = size(A) ; [X,Y] = meshgrid(1:ny,1:nx) ; [x_a,y_a] = meshgrid (linspace(1,10,8),linspace(1...

3年以上前 | 0

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I have a two column item 1st, Column is child's name and 2nd column is his/her choice of toys. For a given list of Toys I bought, make a table against each toy to each child.
A=["Child1" "Dog" "Child1" "Cat" "Child1" "Babbie" "Child2" "Tractor" "Child2" "Plane" "Child2" "...

3年以上前 | 0

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Extract the values corresponding to the specific filed in the struct
iwant = [S(:).latency] Else other option, would be convert your structure to table and access the data you want. T = struc2ta...

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How to reduce space between plots in subplot?
You may consider using this fileexchange function: https://in.mathworks.com/matlabcentral/fileexchange/27991-tight_subplot-nh-nw...

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How can I do this polynomial with sympolic in matlab
p = sym('P',[1 4]) ; x = sym('x',[1 4]) ; f = p*x.'

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Use vector to create 3rd dimension at each point in a matrix
N = 10 ; vec = 1:5 ; b = repmat(vec',1,N,N) ;

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How to calculate distance left in a specific time interval
start = [1 2]; endpos = [8 8]; x = [start(1) endpos(1)]' ; y = [start(2) endpos(2)]' ; interval = 0.1; vel = 0.1; ...

3年以上前 | 0

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Which products used for CSE student?
You should read this: https://in.mathworks.com/discovery/numerical-analysis.html#:~:text=Numerical%20analysis%20is%20a%20branch,...

3年以上前 | 0

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How to fix : Unable to perform assignment because the left and right sides have a different number of elements.
This is a simple error, it occurs when you try to save more number of elements into an array than it is initialized for. Ex: ...

3年以上前 | 0

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How to generate all the possible data points in this 2D triangle?
P = [0 0 ; 0 1 ; 1 0] ; % vertices of triangle m = 20 ; n = 20 ; x = linspace(min(P(:,1)),max(P(:,1)),m) ; y = linspace(mi...

3年以上前 | 0

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Ploting of two vectors with different lengths
Let x be of size 42471x1 and y be of size 29125x1. nx = length(x) ; ny = length(y) ; % convert y to size of x id = linspa...

3年以上前 | 0

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create a variable with multiple time steps
LEt (x,y) be your data and t be your time. nx = length(x) ; nt = length(t) ; Z = zeros(nx*nx,nt) ; % it is a 2D matrix; ea...

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How can ı find mode shape from natural frequency
[v,d]=eig(B,A); plot(v)

3年以上前 | 0

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Plot three color maps in the same figure?
figure subplot(131) pcolor(rand(10)) ; colorbar subplot(132) pcolor(rand(10)) ; colorbar subplot(133) pcolor(rand(10)) ;...

3年以上前 | 0

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Array indices must be positive integers or logical values
This line: E_ws(0) == 10 gives you error. MATLAB indexing starts from 1. It cannot be zero. Think of it.

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How to sort minimum value from a matrix
number = 6; A = 1+10*(rand(number,2)); B = [4,8; 6,8; 8,8; 6,6.7; 6,5.4; 6,4.1]; idx = knnsearch(A,B)

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how to optimize a sweep for solving inequalities?
You need to use syms. You can straight away substitute the values in the equation and get the lligcal indexing. % ki < 0 && ...

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Solve a nonlinear function with one variable
syms x eq = x - x^2 + 2*sin(x)*(x-1) == 0 s = vpasolve(eq)

3年以上前 | 1

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How can i use quadprog when the value of variables x≠0
USe: x > ub and x < lb

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can anyone help me to generate mesh with matlab for this shape?
You can have a look on this: https://in.mathworks.com/matlabcentral/fileexchange/44670-mesh-a-plate-with-hole You can make f...

3年以上前 | 0