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finite difference scheme on 2-d poisson
hello I want to implement forth order finite difference scheme on 2-d poisson equation on rectangle that all sides have differ...

mer än 11 år ago | 0 answers | 0

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Question


points in ellipse with equal arc length
Hi I want to choose M points in an ellipse with equal arc length. with starting theta=0 and find other M-1 points, does anyo...

nästan 12 år ago | 0 answers | 0

0

answers

Question


how to map in matlab
Hello is there any command in matlab to map a set of point from one boundary to another. for instance we choose a set{(x_i,y_i...

nästan 12 år ago | 0 answers | 0

0

answers

Question


funding source of error
Hi I have a problem in interpreting an error, it says "Error using figure UIJ_AreThereWindowShowsPending - timeout waiting fo...

nästan 12 år ago | 2 answers | 0

2

answers

Question


constructing a matrix from other
hi I have a matrix for instance 6*6 called U, Also two vector b1 and b2 of size 6 and their arrays are integers among 1 and 6,...

nästan 12 år ago | 1 answer | 0

1

answer

Question


extending columns and rows of matrix
Hi I have a matrix like a=[11 12 113 14 21 22 23 24 31 32 33 34 41 42 4...

nästan 12 år ago | 2 answers | 0

2

answers

Question


changing arrays of a matrix
Hi if we have a matrix and we want to change the position of its array, rows and columns simultaneously, using two index vect...

nästan 12 år ago | 2 answers | 0

2

answers

Question


computing matrices in a loop
hi could we have a loop in that for any i we produce a matrix f(i), I want to store f(i) for any i, I DO'T want to have this ...

nästan 12 år ago | 1 answer | 0

1

answer

Question


defining a vector with vector of indices
Hi all I have a vector zero of size M called A, also I have another vector of size 4 that its arrays are integers among 1 to ...

nästan 12 år ago | 2 answers | 0

2

answers

Question


optizimating a matlab code
hi I have a short code that I want to rewrite it via vector and matrices, it has many loops and I want to remove them, can so...

nästan 12 år ago | 0 answers | 0

0

answers

Question


writing a matrix without loop
Dear all I want to write a matrix that its arrays are dependent on i and j, could I write it without writing loops. my arrays ...

nästan 12 år ago | 2 answers | 0

2

answers

Question


how to use circshiftfor each column of a matrix
Hi I have a matrix that I want to use circshift for its columns, i.e shift the arrays of for instance the first column, do yo...

nästan 12 år ago | 4 answers | 0

4

answers

Question


how to use circshift in matlab
I have a array of indeces, so they must be positive, but some of them are negative, for instance for a array of m elements, I wa...

nästan 12 år ago | 1 answer | 0

1

answer