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To find closed loop matrix from open loop for system with linearied feedback
If I have a matrix [Adot Bdot]' =[-2 1;-3 1]*[A B]' +[.3 5]*[A B]', how do I find the closed loop matrix? (Sorry if this is too ...
8개월 전 | 답변 수: 0 | 0
0
답변질문
How to determine if equation is not feedback linearizable
Is there a MATLAB function that can determine if feedback is linearizabe or not from the state equations? eg Is this system line...
8개월 전 | 답변 수: 1 | 0
1
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Why do I get conj(L)
When I multiply 2 4X4 matrices one numeric the other alpha numeric say with L1,L2,L3, L4 why do I get the answer with cconj(L1,L...
8개월 전 | 답변 수: 2 | 0
2
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Diferent answers to same cmd
As mentioned earlier, I am trying to get familiar with MATLAB in aircraft controls. Focus now is Matlab. I saw a presentation wi...
Diferent answers to same cmd
As mentioned earlier, I am trying to get familiar with MATLAB in aircraft controls. Focus now is Matlab. I saw a presentation wi...
8개월 전 | 0
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Diferent answers to same cmd
A=[-.01 .1 0 32.2;-0.4 -.8 180 0;0 -.003 -.5 0;0 0 1 0] B=[0 -10 -2.8 0]' P=ctrb(A,B) P=poly(P)
Diferent answers to same cmd
A=[-.01 .1 0 32.2;-0.4 -.8 180 0;0 -.003 -.5 0;0 0 1 0] B=[0 -10 -2.8 0]' P=ctrb(A,B) P=poly(P)
8개월 전 | 0
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Diferent answers to same cmd
I am trying to figure out Matlab. Tried the cmd shown in the attachment, get different response(see attachment)
8개월 전 | 답변 수: 2 | 0
2
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How to compute the characteristic equation given the eigenvalues?
Is there a matlab command to get the characteristic equation (CE) given the eigenvalues? Similarly how to get CE from the A matr...
8개월 전 | 답변 수: 1 | 0
1
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Use of functions ctrb and poly
I have 2 matrices A, B. I use ctrb(A,B) to get matrix P and then try to use poly(P) to get the polynomial of P but get error msg...
9개월 전 | 답변 수: 1 | 0
1
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How to get damping ratio and nat freq from eigen values using matlab cmd
I have a 4X4 matrix, and have 4 desired eigenvectors.How to get the natural freq and damping ratio with these eigenvectors
9개월 전 | 답변 수: 0 | 0
0
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how to write partial derivatives in MATLAB
I am trying to form a 2X2 matrix using partial derivatives i.e. [delf1/delx1, delf1/delx2; delf2/delx1, delf2/delx2]. Not sure h...
3년 초과 전 | 답변 수: 1 | 0
1
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How to avoid error in anonymous function
Tried as suggested, error Undefined function 'Fx' for input arguments of type 'double'.: f = @(x, u) Fx(x,u)*x(t-1) + Fu(x,u)*u...
How to avoid error in anonymous function
Tried as suggested, error Undefined function 'Fx' for input arguments of type 'double'.: f = @(x, u) Fx(x,u)*x(t-1) + Fu(x,u)*u...
3년 초과 전 | 0
질문
How to avoid error in anonymous function
I am trying to predict the robot position using the 3 steps below but get error: Fx = @(x,u) jacobian(f(x,u),x); Fu = @(x,u) j...
3년 초과 전 | 답변 수: 2 | 0
2
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How many multiplications in one convolution
C = [1;2;3]; % i.e. a column vector, hence named "C" R = [1 2 3]; % i.e. a row vector, "R" F = [1 4 6 4 1; 4 16 24 16 4; 6 24 ...
3년 초과 전 | 답변 수: 1 | 0
1
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Edge detection using Convolution
I am trying to detect the edges in an image using convolution. Tried this but get error " final_lena does not look like it has t...
3년 초과 전 | 답변 수: 2 | 0
2
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How to find out what this code does
This code pertains to image processing - line parameters Hough transform. Not sure what the third line does. f=zeros(128,128); ...
3년 초과 전 | 답변 수: 0 | 0
0
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Sum of squared differences SSD
How to use SSD to compare datapoints in 2 separate data sets i.e. to compare pixels in 2 images? Is this the best function to u...
3년 초과 전 | 답변 수: 1 | 0
1
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Vision Problem using symbolic MATLAB toolbox
I am trying to solve a vision problem in robotis deals with epipolar transforms using symbolic tool box of MATLAB. Tried this bu...
3년 초과 전 | 답변 수: 0 | 0
0
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Anonymous Functions - how to store the results of anonymous functions
rng(1) % important for technical reasons U = [ 1 -1 3 4 ]; % an artificial input sequence % applyPredictionUpdate returns the ...
3년 초과 전 | 답변 수: 2 | 0
2
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Anonymous function arguments and parameters extrction
If I have the anonymous function: pu = @(x, y) [x,y]; is it npossible to extract the value of the argument x after the functio...
3년 초과 전 | 답변 수: 2 | 0
2
답변답변 있음
Anonymous functions usage when running the following program to apply and then plot a prediction, sensor reading and measurement update Invalid expression.
Thanks, tried but error: "Unrecognized function or variable 'sensorReading'. Error in solution (line 14) applyMeasurement...
Anonymous functions usage when running the following program to apply and then plot a prediction, sensor reading and measurement update Invalid expression.
Thanks, tried but error: "Unrecognized function or variable 'sensorReading'. Error in solution (line 14) applyMeasurement...
3년 초과 전 | 0
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질문
Anonymous functions usage when running the following program to apply and then plot a prediction, sensor reading and measurement update Invalid expression.
I get error on the foll. program "Invalid expression. When calling a function or indexing a variable, use parentheses. Other...
3년 초과 전 | 답변 수: 2 | 0
2
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How to get a loop to converge
I am trying to get a loop to converge in Inverse Kinematics. I use this line: dq=pinv(J_BF_inB(q*b)); where J_BF_inB is a 3X3 ...
3년 초과 전 | 답변 수: 1 | 0
1
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How to access parameters from an anonymous function from another function
I have the anonym function getPLocalTransition. It has x as one of its parameters. I have another function dir; I try to call ...
3년 초과 전 | 답변 수: 0 | 0
0
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unable to run pinv (Moore Penrose) with accuracy limit
Still not able to get this to converge. Problem is not sure whether to state a tolerance limit i.e. the foot should be in the go...
unable to run pinv (Moore Penrose) with accuracy limit
Still not able to get this to converge. Problem is not sure whether to state a tolerance limit i.e. the foot should be in the go...
3년 초과 전 | 0
질문
How to use anonymous functions
I am trying to understand anonymous functions. What exactly does this do: pTransition = [ 0 0 0 0 0 0 .05 ...
3년 초과 전 | 답변 수: 1 | 0
1
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unable to run pinv (Moore Penrose) with accuracy limit
I think the NRaphson is overkill for this, so will go with your code posted at 5PM yesterday: b = (rGoal-r0 ); tolerance = 1e-...
unable to run pinv (Moore Penrose) with accuracy limit
I think the NRaphson is overkill for this, so will go with your code posted at 5PM yesterday: b = (rGoal-r0 ); tolerance = 1e-...
3년 초과 전 | 0
질문
unable to run pinv (Moore Penrose) with accuracy limit
I am trying to use pinv to allow a robot system to converge.I tried but get errors. This is my script stateent : dq=double(pinv...
3년 초과 전 | 답변 수: 5 | 0
5
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Unable to run pinv (Moore Penrose) , get errors
Tried the following script: r0=[0,0,0]; dq=double(pinv(J_BF_inB)*(rGoal-r0)); dq=double(subs(dq,[alpha,beta,gamma],[0,0.52,1....
3년 초과 전 | 답변 수: 1 | 0
1
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incorrect or unexpected brackets
[newx, newy] = ind2sub([nrow, ncol], candidates(whichleast)); next = [next;(end,:)+{newx, newy}]; get error unexpected b...
8년 초과 전 | 답변 수: 2 | 0
2
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umnsin of expressions - x and y are the rows and cols
I am trying to evaluate this, but I want the answer in an expression in x and y since x and y are the rows and cols of a matrix...
거의 9년 전 | 답변 수: 0 | 0
