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**Content Feed**

Question

Question on a simple "parfor loop"

Hi There, I have a simple parfor loop as belows c=1; a=0; parfor i=-90:90 c=i+91; a(c)=3; end I though...

mer än 6 år ago | 1 answer | 0

### 1

answerQuestion

How to show the plot at a specific height of a 3D plot?

Hi There, I have a 3D plot as follow: x=0:10; y=0:10; [X,Y]=meshgrid(x,y); z=X.^2+Y.^2; surf(x,y,z) How c...

mer än 6 år ago | 2 answers | 0

### 2

answersQuestion

How to create a time control in MATLAB?

Hi there, I am doing an experiment using matlab program to produce result, the experiment has 10 readings with 10 mininites i...

mer än 10 år ago | 1 answer | 0

### 1

answerQuestion

Nonlinear Regression with Errors in X and Y

I am dealing a series of data point X and Y, their relation is nonlinear, how can i do a nonlinear regression to obtain the fitt...

mer än 10 år ago | 3 answers | 0

### 3

answersSolution for a homogeneous equation using null space

OK, i find the solution, if i use the similar solution as the "null" function, it works! if i use "null" directly, i will still ...

mer än 10 år ago | 1

Solution for a homogeneous equation using null space

I have calculate the condition number of this matrix, it is 5.144376827909181e+012, quite large, so the matrix is close to a sin...

mer än 10 år ago | 0

Solution for a homogeneous equation using null space

This is the only way i can think to post the original long format matrix, each row of the matrix is seperated by space. you can ...

mer än 10 år ago | 0

Solution for a homogeneous equation using null space

sorry about that, the following is the matrix in format short -7.2570 1.2829 -10.9984 -10.9984 0.0000 0.0000 ...

mer än 10 år ago | 0

Question

Solution for a homogeneous equation using null space

I have a homogeneous equation group as follows A*b=0;where A is a 8 by 8 matrix, b is a 8 by 1 vector. I have calculated ...

mer än 10 år ago | 6 answers | 1

### 6

answersQuestion

inconsistant result from "null"

I used "null " to solve a homogenious equation which is a determinant of a matrix, but i found when the determinant is changed a...

nästan 11 år ago | 0 answers | 0

### 0

answers"Null" in a for loop

To describe this problem more clearly, The following is cut and paste from the real runing program: When the root of the determ...

nästan 11 år ago | 0

"Null" in a for loop

Hi Walter, Thanks for your replay. The sample code here is actually a simplified version, the original code is more complicate...

nästan 11 år ago | 0

Question

"Null" in a for loop

I need to use null to obtain a solution of a homogenious linear equation, and i have to put null in a for loop , the program i...

nästan 11 år ago | 3 answers | 0