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# Rengin

### TU Dresden

Active since 2013

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Question

Bar charts with different colors
% Dear users, when I run the code I want to get bars in different colors (not one color). Could you please tell me how to do it?...

ongeveer 3 jaar ago | 2 answers | 0

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Exporting data from matlab to a excel with a special pathway
% When I run the code below, it creates Admittance.xlsx at the location I want, no problem. % The problem is that I have to ad...

meer dan 3 jaar ago | 0

Question

Exporting data from matlab to a excel with a special pathway
Dear Users! Imagine that I have the matrices of Y1=rand(5), Y2=rand(7) and Y3=rand(4). I want to specifically export these matri...

meer dan 3 jaar ago | 2 answers | 0

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Question

Creating a matrix having repeating elements
% Dear users, % Assume that I have a A matrix having the size of 5x5 and in the end; % I want to get A=[1 -1 0 0 0; 1 -1 0 0 0...

meer dan 3 jaar ago | 1 answer | 0

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Question

Calculation of unknown values of two equations without Symbolic Math toolbox
% Dear users! I have two-simple equations as below: % C1+C2=29; % -3*C1-2*C2=-70; % Unfortunately, I don't have Symbolic Math...

meer dan 3 jaar ago | 1 answer | 0

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Combining sub-matrices diagonally within a for loop
I actually tried the combination of submats = arrayfun(@(n) rad(1:n)*h(1:n),n,'unif',0) but it didn't work.

meer dan 3 jaar ago | 0

Question

Combination of sub-matrices generated within a for loop
clear; clc; close all; n=[3 1 2]; rad=[0.04 0.02 0.01]; h=[10 12 15]; for kk=1:length(n) matrix=zeros(n(kk),n(kk)...

meer dan 3 jaar ago | 1 answer | 0

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Question

Combining sub-matrices diagonally within a for loop
clear all; clc; close all; n=[3 1 2]; for kk=1:length(n) matrix=zeros(n(kk),n(kk)); for ii=1:n(kk) for jj...

meer dan 3 jaar ago | 2 answers | 0

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Question

A simple matrix question
%Dear users, %Imagine that I have a matrix of A=[1,2,3,4,5] %Is there any short-cut to get the matrix of B=[5,4,3,2,1]? %Than...

meer dan 3 jaar ago | 4 answers | 0

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Question

Sub-Matrices in a bigger matrix
Dear Users, Imagine that I have 4 square matrices such as A11, B11, C11 and D22. I want to insert them as diagonal elements of...

meer dan 3 jaar ago | 2 answers | 1

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Question

The usage of [~,I]=min(abs(A+B)) on a specific example
% Dear Users, % I have a curve whose axes are defined as below: u=[1.01 1.02 1.03 1.11 1.13 1.04 0.84 0.86 0.97 0.97]; % y-axi...

meer dan 3 jaar ago | 1 answer | 0

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Question

Finding the time duration of an oscillation on a graph
% Dear Users, % I have an oscillating voltage curve depending on time (please see the document on the attachments) % t_clear= ...

meer dan 3 jaar ago | 0 answers | 0

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Question

Calculating an area under a curve
% Dear users, % Is there any way to calculate an area under a curve as in the figure? % It would really appreciate if you can ...

bijna 4 jaar ago | 0 answers | 0

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Question

Right and Left Eigenvectors
Dear Users, What I read about right and left eigenvectors from some literature is that right ones should be column and left o...

meer dan 4 jaar ago | 2 answers | 0

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Question

how can I sort the arrays according to example I explained below?
% Dear users, could you help me with sorthing the arrays I explain below: % Let's say I have 3 equations: % a+3b+5c+2d+4...

meer dan 6 jaar ago | 3 answers | 0

### 3

Question

Finding variables using a simple optimization (maybe linear programming)
% Dear Users, % I have three equatians as below: A = x(1)s(11)+x(2)s(12)...+x(n)x(1n) B = x(1)s(21)+x(2)s(22)...+x(n)...

bijna 7 jaar ago | 1 answer | 0

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Question

Handling with different constraints/limitations at the same time
clear all clc % Dear Users! % What I want to do is % 1. As long as the rows of A, B and matrices are > 0 at the sa...

ongeveer 7 jaar ago | 0 answers | 0

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Question

How to make a matrix upside down?
% Dear Users, % I have such an matrix below: A= [1;4;5;7]; % I want to make it upside down: B= [7;5;4;1]; % Is ...

ongeveer 7 jaar ago | 1 answer | 0

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Question

to sort a matrix
% Dear user! % I have A and B matrices as below A=[1;2;3;4;5]; B=[12;14;18;16;10]; C=[A B]; % I want to create ...

ongeveer 7 jaar ago | 1 answer | 0

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Question

How to implement the counter (really simple)?
% Dear Users, % My problem and simple script are as below: clear all clc nrow=5; ncolumn=3; maxinfeas=1;...

meer dan 7 jaar ago | 2 answers | 0

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Question

How can I find intersections of curves?
clear all clc Reactive_QCP1=[6.708;6.396;6.0911;5.791;5.498;5.210;4.926;4.647;4.371]; Reactive_QCP2= [1...

meer dan 7 jaar ago | 1 answer | 0

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Question

How can I create a sub-matrix if the number of rows change according to main-matrix?
% I have 9x1 sized A matrix as below: A=[2.36; 2.36; 2.36; 1.93; 1.93; 1.41; 1.41; 1.41; 0.39] % from 3rd row to 4th row...

meer dan 7 jaar ago | 2 answers | 0

### 2

Question

how to change a variable?
clear all clc nrow=5; ncolumn=3; A=[12 28 35;42 14 30;16 25 13;21 34 12;32 18 26]; B=[14 26 18;17 41 32;19 23 3...

bijna 8 jaar ago | 1 answer | 0

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Question

while loop/breaking a loop
Dear Users, clear all clc nparticle=15; nclass=3; maxlimit=10; minlimit=50; value=zeros(nparticle,nc...

bijna 8 jaar ago | 0 answers | 0

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how possible to terminate a loop in case my condition is not met?
I think I should use "while true" and "break" comments in somewhere. The problem is that I can only check the elements in a row ...

bijna 8 jaar ago | 0

Question

how possible to terminate a loop in case my condition is not met?
Below I pasted a part of my code. it is a sort of simulation program. Loading_B matrix created in the end is (nparticle x nge...

bijna 8 jaar ago | 2 answers | 0

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Question

How can I create a matrix out of a matrix?
Hello, % I have a matrix as below: A=[0 0 0;5 2 4;0 0 0;4 1 8;9 5 6;0 0 0] % My 2.,4. and 5. rows are different than '...

bijna 8 jaar ago | 3 answers | 0

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Question

How can I resize the matrix?
Hello, Let's say I have the matrix as below: A= [0 0 0 0 0;0 0 0 0 0;2 3 9 1 7;4 5 6 5 4;0 0 0 0 0] (It can be in different ...

bijna 8 jaar ago | 1 answer | 0

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Question

selecting a random value within a specific interval
Hello, vmin=0.90; vmax=1.15; How can I select a random value between 0.90 and 1.15? Thx!

bijna 8 jaar ago | 1 answer | 0