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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...

22 days ago | 2 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...

3 months ago | 0 answers | 0

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answers

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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...

4 months ago | 1 answer | 0

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Submitted

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 ...

1是啊r ago | 1 download |

Solved

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.

1是啊r ago

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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...

1是啊r 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

1是啊r ago | 1 answer | 0

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Question

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

1是啊r 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...

1是啊r ago | 0 answers | 0

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Answered
为什么选择fmincon不工作吗?
I got it why. The nonlcon argument has been skipped. [V,fval,exitflag,output,lambda,grad,hessian] = fmincon(fun,x,[],[],[],[],L...

1是啊r ago | 0

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为什么选择fmincon不工作吗?
I defined the option as follows and it is not working. I tried many other options as well. Could anyone gives some idea ? Thank...

1是啊r ago | 2 answers | 0

2

answers

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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.

1是啊r ago | 2 answers | 0

2

answers

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/...

1是啊r 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, ...

1是啊r ago | 0 answers | 0

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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...

1是啊r ago | 1 answer | 0

1

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...

1是啊r 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...

2 years ago | 1 answer | 0

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answer

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;...

2 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...

2 years ago | 2 answers | 0

2

answers

Solved

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-...

2 years ago

Solved

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...

2 years ago

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...

2 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...

2 years ago | 2 answers | 0

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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....

2 years ago | 1 answer | 0

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answer

Question

Symbolic Derivative in matlab
可以用替换为matlab diffrentiate Ft to , and only ?. Any help is apperciated

2 years ago | 1 answer | 0

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answer

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...

2 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...

2 years ago | 1 answer | 0

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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 ...

2 years ago | 1 answer | 0

1

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...

2 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 ...

2 years ago | 1 answer | 0

1

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