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Steven


Attivo dal 2011

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Domanda


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...

oltre 8 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 12 anni fa | 1 risposta | 0

1

risposta

Domanda


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...

quasi 12 anni fa | 2 risposte | 0

2

risposte

Risolto


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...

circa 12 anni fa

Risolto


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

circa 12 anni fa

Risolto


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

circa 12 anni fa

Risolto


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...

circa 12 anni fa

Risolto


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...

circa 12 anni fa

Risolto


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 ...

circa 12 anni fa

Risolto


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...

circa 12 anni fa

Risolto


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 ...

circa 12 anni fa

Risolto


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...

circa 12 anni fa

Risolto


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:...

circa 12 anni fa

Risposto
PI Controller tuning
Any idea folks ?

circa 12 anni fa | 0

Domanda


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...

circa 12 anni fa | 2 risposte | 0

2

risposte

Domanda


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...

oltre 12 anni fa | 1 risposta | 0

1

risposta

Domanda


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 ...

oltre 12 anni fa | 2 risposte | 0

2

risposte

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

oltre 12 anni fa | 0

| accettato

Domanda


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;...

oltre 12 anni fa | 2 risposte | 1

2

risposte

Domanda


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...

oltre 12 anni fa | 4 risposte | 1

4

risposte

Domanda


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...

oltre 12 anni fa | 2 risposte | 0

2

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Risposto
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...

oltre 12 anni fa | 1

Risposto
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 ...

oltre 12 anni fa | 0

| accettato

Domanda


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 ...

oltre 12 anni fa | 2 risposte | 0

2

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

oltre 12 anni fa | 0

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

oltre 12 anni fa | 1

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

oltre 12 anni fa | 1

Domanda


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...

oltre 12 anni fa | 2 risposte | 1

2

risposte

Domanda


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...

oltre 12 anni fa | 1 risposta | 0

1

risposta

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

oltre 12 anni fa | 0

| accettato

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