# EldaEbrithil

Last seen: 5 months ago Active since 2020

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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) ...

3 years ago | 1 answer | 0

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Question

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...

3 years ago | 1 answer | 0

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Question

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...

3 years ago | 0 answers | 0

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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) ...

3 years ago | 1 answer | 0

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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 ...

3 years ago | 1 answer | 0

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Question

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...

3 years ago | 1 answer | 0

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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...

3 years ago | 1 answer | 0

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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...

3 years ago | 1 answer | 0

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Question

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...

3 years ago | 1 answer | 0

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Question

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...

3 years ago | 1 answer | 0

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Question

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 )...

4 years ago | 1 answer | 0

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Question

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} ...

4 years ago | 1 answer | 0

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Question

Ode Not enough input arguments.
Hi all i have this code clear all; close all; clc; xstartconica=9.923425547086419e-04; xfineconica=0.006023740592755; R...

4 years ago | 1 answer | 0

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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_...

4 years ago | 1 answer | 0

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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<...

4 years ago | 1 answer | 0

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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 ...

4 years ago | 2 answers | 0

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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 ...

4 years ago | 2 answers | 0

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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...

4 years ago | 0 answers | 0

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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)...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0

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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 ...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0

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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...

4 years ago | 1 answer | 0

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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 ...

4 years ago | 0 answers | 0

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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 (...

4 years ago | 2 answers | 0

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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...

4 years ago | 2 answers | 0