Answered
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 years ago | 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 years ago | 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 years ago | 0

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Answered
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 years ago | 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 years ago | 0

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Answered
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 years ago | 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 years ago | 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 years ago | 0

Answered
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 years ago | 1

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Answered
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 years ago | 0

Answered
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 years ago | 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...

3 years ago | 0

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Answered
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...

3 years ago | 0

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

3 years ago | 0

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

3 years ago | 0

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Answered
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 years ago | 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 years ago | 0

Answered
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 years ago | 0

Answered
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 years ago | 0

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Answered
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 years ago | 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...

3 years ago | 0

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

3 years ago | 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 years ago | 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.

3 years ago | 0

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Answered
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)

3 years ago | 0

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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 && ...

3 years ago | 0

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

3 years ago | 1

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

3 years ago | 0

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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 years ago | 0

Answered
How to solve this question in MATLAB?
dx = 0.25 ; dt = 0.1 ; x = 0:dx:1 ; t = 0:dt:1 ; [x,t] = meshgrid(x,t) ; U = exp(-pi*t/4).*sin(pi*x/2) ; surf(x,t,U)...

3 years ago | 0

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