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Operator '-' is not supported for operands of type 'table'
Hello everyone. I have been trying to substract arrays. but I get an error message " Operator '-' is not supported for operand...

2 years ago | 3 answers | 0

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answers

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Code an equation in MATLAB
In matlab, I write the following code to the above equation as follows ri = sqrt(psi_coordinates.^2+theta_c...

2 years ago | 0 answers | 0

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Determinant of the Jacobian as a constraint couldn't avoid atan2(x,y) get into negative.
I've been trying to avoid singularity using determinant as a constraint. However, some anglar values obtained using atan2 () kee...

2 years ago | 1 answer | 0

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How to speed up iterating a large data in a nested loop ?
%example a=1x1000; b=1x1000; for i=1:length(a) for j 1:length(b) x(i,j)=cos(a(i)); y(i,j)=sin(b(j...

4 years ago | 1 answer | 0

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fmincon and fmiunc gives different result for the same problem
Can anyone help how to setup the result from fmincon and fminunc to give the same result for same problem ? Thanks

4 years ago | 1 answer | 0

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global convergence of quasi-newton
Is there any way to pick a global optimum point in the quasi-newton algorithm of matlab? Thanks

4 years ago | 0 answers | 0

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Function for linearization of nonlinear system of equations
V =F(rp,x1,x2,theta(t), psi(t), phi(t),wx(t),wy(t) ) is a non linear equation and the objective is to minimize output vector V f...

4 years ago | 0 answers | 0

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Answered
Why option for fmincon is not working ?
I got it why. The nonlcon argument has been skipped. [V,fval,exitflag,output,lambda,grad,hessian] = fmincon(fun,x,[],[],[],[],L...

4 years ago | 0

| accepted

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Why option for fmincon is not working ?
I defined the option as follows and it is not working. I tried many other options as well. Could anyone gives some idea ? Thank...

4 years ago | 2 answers | 0

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answers

Question

fminunc for upper and lower bound variable definition ?
Isn't it possible to give upper and lower bound for the variables in the objective function while using fminunc ? Thank you.

4 years ago | 2 answers | 0

2

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Question

Visualize (plot) 3D array data
Surf and mesh functions are not handling the following data. Is it me or other methods should be used ? Thanks ts=5; t=0:1/...

4 years ago | 0 answers | 0

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Can any one check why quasi-newton is not working for my function ?
function V = PRSopt_QN(radius,alpha,beta) %% Calling the function fun = @(x)PRSopt_QN(x(1),x(2),x(3)); x0 = [0.25, ...

4 years ago | 0 answers | 0

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Question

Quasi newton method for NLP code problem
Hello, Can some one tell whats wrong with the following program ? I tried to change x and evaluate V but I got some difficulti...

4 years ago | 1 answer | 0

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answer

Question

Appropriate nonlinear optimization tool in matlab
I have objective funciton subjected to . The optimization design variables are and . I cannot linearize the function to use L...

4 years ago | 0 answers | 0

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answers

Question

How to work with a matrix close to singular in MATLAB ?
I've ill-conditioned matrix which shows its inverse close to singular. So, the minimization solution is unstable. The psedoinve...

4 years ago | 1 answer | 0

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Question

Why Matlab tells the following A*A^T matrix is not a positive Semi-definite Matrix ?
M = [ 1.0000 0 0 0 0 0;... 0 0.9803 -0.0000 -0.0000 -0.0984 0.0984;...

4 years ago | 1 answer | 0

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Question

Why matlab live editor and matlab script gives different rank calculation result for the same matrix ?
I suddenly found matlab is misundesrstanding this matrix and checked it with matlab live editor. Then, matlab live gives the...

4 years ago | 2 answers | 0

2

answers

Question

Why is it so hard for MATLAB to solve the following symbolic equation
syms rp alpha beta theta psi z A=cos(alpha)-cos(beta); B=sin(alpha)-sin(beta); C=(cos(beta)-1)/tan(beta)-(cos(alpha)-1)/tan(a...

4 years ago | 1 answer | 0

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answer

Question

Solving trigonometric equation (decoupling)
I wanted to solve as a function of other variables Is is possible to decouple this equation ? Even matlab symbolic gave m...

4 years ago | 2 answers | 0

2

answers

Question

Numerical integration RK4 for the given data
I have the angular veocity data shown below and wanted to apply , where. w Columns 1 through 9 5.0468 0.1049 -0....

4 years ago | 1 answer | 0

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answer

Question

Symbolic Derivative in matlab
Can matlab diffrentiate F with respect to , and only ?. Any help is apperciated

4 years ago | 1 answer | 0

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Question

Output argument "St" (and maybe others) not assigned during call to "function ".
I got an error Output argument "St" (and maybe others) not assigned during call to "get_StCarretero". Error in InverseVeloc...

4 years ago | 0 answers | 0

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answers

Question

Evaluate gradient function in the for loop.
is a function dependent on time. It is n the function and need to be differentiated to get and the differentiation should pa...

4 years ago | 1 answer | 0

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answer

Question

Interpolating angle between -0.2 to 0.2 rad
Can anyone help for a valid interpolation of an angle from -0.2 to 0.2 to give 1001 points in between? SLERP is not doing this ...

4 years ago | 1 answer | 0

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answer

Question

Algorithm to extract linearly dependent columns in a matrix
Is there any general or standard approach to extract columns that are linearly dependent from the given matrix ? Thanks and an...

4 years ago | 3 answers | 0

3

answers

Question

Interpolating the data given between -pi and pi
I have the following program and wanted to get the value between - and . But the program I made below only gives . Any help is ...

4 years ago | 1 answer | 0

1

answer

Answered
xlswrite multidimensional array in one sheet.
This works, in any case if someone need it T=matrix ; for j=1:length(matrix) T(8*(j-1)+[1,dim(matrix)],:)=matrix(:,:,j) ...

4 years ago | 0

| accepted

Question

xlswrite multidimensional array in one sheet.
I tried to export 6 x 6 x 1000 matrix from matlab to exel. However, the xlswrite overwrite it. I used the following loop to ...

4 years ago | 2 answers | 0

2

answers

Question

quat2eul(quat) and dcm2Angle(R) difference for ZYX sequence
I've converted a quaternion to Euler angle using quat2eul(q,'ZYX') and a rotation matrix to Euler angle with function dcm2Angle(...

4 years ago | 2 answers | 0

2

answers

Question

Integrate 61 x 3 tabular data using Runge Kutta
I have a 61 x 3 velocity data and wanted to integrate using Rung Kutta integrator? I know how to integrate when I have a funct...

4 years ago | 2 answers | 0

2

answers

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