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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...

7 years 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...

10 years 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...

10 years 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...

11 years 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 ...

11 years ago

Solved

Determine if input is odd

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

11 years 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...

11 years 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...

11 years 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 ...

11 years 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...

11 years 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 ...

11 years 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...

11 years 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:...

11 years 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...

11 years 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...

11 years 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 ...

11 years ago | 2 answers | 0

### 2

answersSimulink if/else block

the block I was looking for was index vector

11 years 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;...

11 years 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...

11 years 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...

11 years 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...

11 years 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 ...

11 years 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 ...

11 years 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')

11 years ago | 0

for loop

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

11 years ago | 1

for loop

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

11 years 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...

11 years 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...

11 years 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.

11 years ago | 0

| accepted