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Steven


Aktiv seit 2011

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  • 3 Month Streak
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Frage


Multiobjective genetic algorithm stopping criteria
Hi, I want to optimize an objective function which returns 3 values [y(1), y(2), y(3)] using gamultiobj toolbox. I set up the...

etwa 9 Jahre vor | 1 Antwort | 0

1

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Frage


Compare 2 vectors together
Hi, Let's say we have 2 vectors of different lenght, values (but there's not 2 values identical in the same vector) and not s...

etwa 12 Jahre vor | 1 Antwort | 0

1

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Frage


how to switch the value of a boolean.
Hi, is there any function to do the following : a = true; b = someFunction(a) ==> b = false b = sumeFuncti...

etwa 12 Jahre vor | 2 Antworten | 0

2

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Gelöst


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

mehr als 12 Jahre vor

Gelöst


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

mehr als 12 Jahre vor

Gelöst


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

mehr als 12 Jahre vor

Gelöst


Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

mehr als 12 Jahre vor

Gelöst


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

mehr als 12 Jahre vor

Gelöst


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

mehr als 12 Jahre vor

Gelöst


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

mehr als 12 Jahre vor

Gelöst


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

mehr als 12 Jahre vor

Gelöst


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

mehr als 12 Jahre vor

Gelöst


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

mehr als 12 Jahre vor

Beantwortet
PI Controller tuning
Any idea folks ?

mehr als 12 Jahre vor | 0

Frage


PI Controller tuning
Hi, I have a second order Transfert Function that I would like to control with a PI. My problem is how to set the proportiona...

mehr als 12 Jahre vor | 2 Antworten | 0

2

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Frage


manage time computing
Hi, I would like to manage the computing time of a function. For example : function y = myfun(x) y = something_long_t...

fast 13 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


how to organize your code in blocks
hi, I wonder if it's possible to regroup (minimize) some parts of your code. Matlab offers this with for loop, but could it be ...

fast 13 Jahre vor | 2 Antworten | 0

2

Antworten

Beantwortet
Simulink if/else block
the block I was looking for was index vector

fast 13 Jahre vor | 0

| akzeptiert

Frage


vectorization
hi, is there a quick way to change the values of the diagonal of a matrix, instead of for i = 1:length(A) A(i,i) = 0;...

fast 13 Jahre vor | 2 Antworten | 1

2

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Frage


How to pick a value according to its probability
Hi, Let's say P = [0.1 0.3 0.4 0.2] X = [1 2 5 9] where P(n) is the probability to select the X(n) element. I wish...

fast 13 Jahre vor | 4 Antworten | 1

4

Antworten

Frage


Easy question with probability
Hi, Let's say P = [0.1 0.3 0.4 0.2] X = [1 2 3 4] where P(n) is the probability to select the X(n) element. I wish...

fast 13 Jahre vor | 2 Antworten | 0

2

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Beantwortet
Polynomial
f = @(x,y,z)(x+y+z); or f = inline('x+y+z', 'x', 'y', 'z'); or function f = myfun(x,y,z) f = x+y+z; return g...

fast 13 Jahre vor | 1

Beantwortet
Heat transfer
Hi, You should take a look at MLE+. It's a toolbox wich make the connection between Matlab and EnergyPlus. Obviously, you need ...

fast 13 Jahre vor | 0

| akzeptiert

Frage


Simulink if/else block
Hi, I'm looking for the right way to set a conditional statement in Simulink. That's the pseudo-code I wish to have: if ...

etwa 13 Jahre vor | 2 Antworten | 0

2

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Beantwortet
TeX (LaTeX math mode) symbols in legends and labels in MATLAB figures
Try with Latex interpreter, something like title(['$ latex $'],'interpreter','latex')

etwa 13 Jahre vor | 0

Beantwortet
for loop
value = 1:10; skip = [4 6 9]; value(skip) = []; for i = value ... end

etwa 13 Jahre vor | 1

Beantwortet
for loop
one way could be to specify manually the values: for i = [1 2 3 5 7 8 10] ... end

etwa 13 Jahre vor | 1

Frage


plot different color
Hi, Let's say I have x = 1:100; y = sin(x); I wish to plot it in blue but if y is superior at 0.5, I want that the plot chang...

etwa 13 Jahre vor | 2 Antworten | 1

2

Antworten

Frage


simple operations
Hi, I'm seeking the way to erase repeated value into vector, like this: a = [0 0 1 2 2 2 7]; b = something(a); b = [0 1 2...

etwa 13 Jahre vor | 1 Antwort | 0

1

Antwort

Beantwortet
close terminal window
I got it, I thought matlab could do it by itself, but instead I modify the batch file of the program.

etwa 13 Jahre vor | 0

| akzeptiert

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