# EldaEbrithil

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**Content Feed**

Question

Reduce computational time for nested for loops

Hi all I wondered how could I reduce computational time for this for loop: for i=1:length(Lungh) for j=i:length(Largh) ...

1 month ago | 1 answer | 0

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answerQuestion

Plot a function which contains a variable parameter

Hi all assuming to have a function like that: function f=Myfun(t,a,b) a=2*t; f=t^2+a-b; end where b is a variable paramete...

1 month ago | 1 answer | 0

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answerQuestion

Ode45 not able to plot anything

Hi all i have some trouble with this iterative differential problem: Teta0=0; dTeta0=0; Nc=0.1; tempo=10; for k=1:length...

1 month ago | 0 answers | 0

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answersQuestion

Realize a 3d line plot

Hi all i need to realize a 3d plot for displaying 3 connected quantities. for i=1:length(i_ed) for j=1:length(x) ...

2 months ago | 1 answer | 0

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answerQuestion

How to plot curves with different colors with "if" conditions

Hi all i want to realize a multilines plot using if conditions. The target is to plot each row of r_T for different columns(or ...

2 months ago | 1 answer | 0

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answerQuestion

Find row elements of a table in another table

Hi all A and B are two tables; I want to know if a set of values of the first row of A is contained in B; i need also the ind...

9 months ago | 1 answer | 0

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answerQuestion

Avoid divergent curves of ODE solutions

Hi all I have solved a system of differential equations in an iterative way, as you can see from the graph I have several curve...

9 months ago | 1 answer | 0

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answerQuestion

Plot symbolic functions for different domain

Hi all i have a cell array where each element F{i} is a symbolic function of the variable x. I would like to plot these functio...

9 months ago | 1 answer | 0

### 1

answerQuestion

Symbolic integration of cell arrays

Hi all is it possible to perform symbolic integration of cell arrays? P is a cell array where each element is the function that...

9 months ago | 1 answer | 0

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answerQuestion

Use polyfit with cell arrays

Hi all i am not able to use polyfit with cell arrays; suppose we have 2 cell arrays A and B with the same number of elements an...

9 months ago | 1 answer | 0

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answerQuestion

Exrapolate values from cell matrix and operations with cell elements

Hi all i have a cell matrix where each cell is nx3 double. Assuming you have the coordinates ( [y k] where y and k are arrays )...

9 months ago | 1 answer | 0

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answerQuestion

Avoide imaginary part in cell matrix

Hi all i have a cell matrix A like that: val(:,:,1,1,1) = Columns 1 through 10 {n×2 double} {n×2 double} ...

9 months ago | 1 answer | 0

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answerQuestion

Ode Not enough input arguments.

Hi all i have this code clear all; close all; clc; xstartconica=9.923425547086419e-04; xfineconica=0.006023740592755; R...

10 months ago | 1 answer | 0

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answerQuestion

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_...

10 months ago | 1 answer | 0

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answerQuestion

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<...

11 months ago | 1 answer | 0

### 1

answerQuestion

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 ...

11 months ago | 2 answers | 0

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answersQuestion

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 ...

11 months ago | 2 answers | 0

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answersQuestion

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...

11 months ago | 0 answers | 0

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answersQuestion

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)...

11 months ago | 1 answer | 0

### 1

answerQuestion

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...

11 months ago | 1 answer | 0

### 1

answerQuestion

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...

11 months ago | 1 answer | 0

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answerQuestion

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 ...

11 months ago | 1 answer | 0

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answerQuestion

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...

11 months ago | 1 answer | 0

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answerQuestion

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...

11 months ago | 1 answer | 0

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answerQuestion

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...

12 months ago | 1 answer | 0

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answerQuestion

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...

1 year ago | 1 answer | 0

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answerQuestion

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 ...

1 year ago | 0 answers | 0

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answersQuestion

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 (...

1 year ago | 2 answers | 0

### 2

answersQuestion

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...

1 year ago | 2 answers | 0

### 2

answersQuestion

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...

1 year ago | 1 answer | 0