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**Content Feed**

Question

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...

meer dan 7 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

meer dan 10 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

meer dan 10 jaar ago | 2 answers | 0

### 2

answersSolved

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...

bijna 11 jaar ago

Solved

The Goldbach Conjecture

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

bijna 11 jaar ago

Solved

Determine if input is odd

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

bijna 11 jaar ago

Solved

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...

bijna 11 jaar ago

Solved

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...

bijna 11 jaar ago

Solved

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 ...

bijna 11 jaar ago

Solved

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...

bijna 11 jaar ago

Solved

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 ...

bijna 11 jaar ago

Solved

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...

bijna 11 jaar ago

Solved

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:...

bijna 11 jaar ago

Question

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...

ongeveer 11 jaar ago | 2 answers | 0

### 2

answersQuestion

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...

meer dan 11 jaar ago | 1 answer | 0

### 1

answerQuestion

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 ...

meer dan 11 jaar ago | 2 answers | 0

### 2

answersSimulink if/else block

the block I was looking for was index vector

meer dan 11 jaar ago | 0

| accepted

Question

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;...

meer dan 11 jaar ago | 2 answers | 1

### 2

answersQuestion

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...

meer dan 11 jaar ago | 4 answers | 1

### 4

answersQuestion

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...

meer dan 11 jaar ago | 2 answers | 0

### 2

answersPolynomial

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...

meer dan 11 jaar ago | 1

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 ...

meer dan 11 jaar ago | 0

| accepted

Question

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 ...

meer dan 11 jaar ago | 2 answers | 0

### 2

answersTeX (LaTeX math mode) symbols in legends and labels in MATLAB figures

Try with Latex interpreter, something like title(['$ latex $'],'interpreter','latex')

meer dan 11 jaar ago | 0

for loop

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

meer dan 11 jaar ago | 1

for loop

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

meer dan 11 jaar ago | 1

Question

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...

meer dan 11 jaar ago | 2 answers | 1

### 2

answersQuestion

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...

meer dan 11 jaar ago | 1 answer | 0

### 1

answerclose terminal window

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

meer dan 11 jaar ago | 0

| accepted