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Domanda

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...

quasi 2 anni fa | 3 risposte | 0

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Domanda

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...

quasi 2 anni fa | 0 risposte | 0

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Domanda

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...

circa 2 anni fa | 1 risposta | 0

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Inviato

Euler-angle-based-rotation-matrix
In this program the ZYX euler angle sequence is used to simulate a platform fixed at some constant height. The rotation is done ...

quasi 3 anni fa | 3 download |

Risolto

Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

circa 3 anni fa

Domanda

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...

oltre 3 anni fa | 1 risposta | 0

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Domanda

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

oltre 3 anni fa | 1 risposta | 0

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Domanda

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

oltre 3 anni fa | 0 risposte | 0

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Domanda

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...

oltre 3 anni fa | 0 risposte | 0

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Risposto
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...

oltre 3 anni fa | 0

| accettato

Domanda

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...

oltre 3 anni fa | 2 risposte | 0

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Domanda

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.

oltre 3 anni fa | 2 risposte | 0

2

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Domanda

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/...

oltre 3 anni fa | 0 risposte | 0

0

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Domanda

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, ...

oltre 3 anni fa | 0 risposte | 0

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Domanda

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...

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda

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...

oltre 3 anni fa | 0 risposte | 0

0

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Domanda

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...

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda

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;...

oltre 3 anni fa | 1 risposta | 0

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Domanda

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...

oltre 3 anni fa | 2 risposte | 0

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Risolto

matrix zigzag
Unfold a 2-D matrix to a 1-D array in zig-zag order, e.g., for matrix [ 1 2 3 ; 4 5 6 ; 7 8 9 ] the resulting 1-...

oltre 3 anni fa

Risolto

Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

oltre 3 anni fa

Domanda

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...

oltre 3 anni fa | 1 risposta | 0

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Domanda

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...

oltre 3 anni fa | 2 risposte | 0

2

risposte

Domanda

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....

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda

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

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda

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...

oltre 3 anni fa | 0 risposte | 0

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Domanda

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...

oltre 3 anni fa | 1 risposta | 0

1

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Domanda

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 ...

oltre 3 anni fa | 1 risposta | 0

1

risposta

Domanda

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...

oltre 3 anni fa | 3 risposte | 0

3

risposte

Domanda

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 ...

quasi 4 anni fa | 1 risposta | 0

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