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EldaEbrithil


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21 total contributions since 2020

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Question


Reduce computational time for ODE solver
Hi all i have this code for iDom_hot = 1:numel(Dall_hot) xRange_hot = Dall_hot{iDom_hot}; for iInitial_hot = 1:numel(Y0_...

1 day ago | 1 answer | 0

1

answer

Question


Solve ODE for variable domain
Hi all is it possible to solve the same ODE system for 3 adiacent different domain? Do i need something like that? if x>x1&&x<...

17 days ago | 1 answer | 0

1

answer

Question


neat stacking of array and cell array
Hi all i have this 3x2 cell array: 6x1 cell 1x1 cell %a 1x1 cell 1x1 cell %b [] 1x1 cell %c i want to stack up the ...

18 days ago | 2 answers | 0

2

answers

Question


Copy cells a variable number of times
Hi all i have this code for i=1:length(a) C(i)=repmat(b(i),1,a(i)) end where b is a cell array 16x5 double 16x5 double ...

18 days ago | 2 answers | 0

2

answers

Question


Submatrixes with different rows
Hi all i have a certain matrix 45x5, i want to neatly cut this matrix in submatrixes (or maybe group into cells) with differe...

19 days ago | 0 answers | 0

0

answers

Question


construct a vector formed by arrays of different lengths
Hi all i want to built a vector using multiple arrays with different length. First of all with thi code a=zeros(100000,sum(c)...

19 days ago | 1 answer | 0

1

answer

Question


Mean value of a subarray
Hi all i have an array V=1x115 i want to create another array which contains the mean value neatly of the first 8 V values than...

29 days ago | 1 answer | 0

1

answer

Question


Save the first non-zero value in each column
Hi all i have a matrix like that 1 0 1 0 1 0 0 0 0 1 0 1 i want to save only the first non zero values in each column an...

1 month ago | 1 answer | 0

1

answer

Question


Find different arrays in a matrix
Hi all i have a matrix like that A=[1 2 3; 4 5 6; 7 8 9] i want the index of the rows that contain B=[1 3;4 5;7 9;4 6;2 3] so ...

1 month ago | 1 answer | 0

1

answer

Question


Cell2Mat for cells with different dimensions
Hi all i have a cell array like this: C={(21 24 47 89 57)' , ( 24 21)' , (16 87 47 89 90 99 182)'} i want to obtain...

1 month ago | 1 answer | 0

1

answer

Question


Minimum value ineach column
Hi all i want to extract the minimum positive value in each column, i have used this code for j=1:length(columnA) a(j)=min(A...

1 month ago | 1 answer | 0

1

answer

Question


Cell arrays difference operation
Hi all i have a 2 cell arrays, Twcell_hot and tempTOT_hot;Twcell_hot is a 1x285 array where in each cell there is a single num...

1 month ago | 1 answer | 0

1

answer

Question


Export data from cell matrix to excel
Hi i wanto to export all the cell and their relative values contained in Ysol (it contains numerous cells) to an excel file, ho...

3 months ago | 1 answer | 0

1

answer

Question


Cutting for loop connected with cell matrix
Hi all i have a for loop capable to solve multiple times an ODE system. It gives me, as solution for the system, a cell matrix ...

3 months ago | 0 answers | 0

0

answers

Question


Reduce computing time ode system
Hi all i would like to reduce the computing time of my code in such a way as to increase the dimensions of integration domain (...

3 months ago | 2 answers | 0

2

answers

Question


Find indices for the minimum positive values in a cell
Hi all i am not able to find the indices for the minimum positive values inside a 2x7 cell. I would find the cell number (conta...

3 months ago | 2 answers | 0

2

answers

Question


ODE system with variable parameter, Boundary conditions and domain
Hi all is it possible to solve an ODE system with these characteristics? The problem can be summerized in this way, calling: D...

3 months ago | 1 answer | 0

1

answer

Question


Solving system of equations
Hi all i have a question about solving this system of equations. Tt, Pt and M are related to space and time due to i and j; i...

4 months ago | 1 answer | 0

1

answer

Question


Solve first order PDEs system
Hi all i have some troubles in solving this PDE system, i don't know which is the most effective method. I have searched a lot...

4 months ago | 0 answers | 0

0

answers

Question


How to solve a system of equations when multiple parameters changes
Hi all my question regards solving system when multiple terms vary within a certain range, for example: w_1=[1,2]; w_2=[2,3];...

4 months ago | 1 answer | 0

1

answer

Question


partial derivatives system of differential equations in multiple unknowns
Hi all i have some problem with pdepe : "Unable to perform assignment because the size of the left side is 4-by-1 and the size ...

6 months ago | 0 answers | 0

0

answers