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Joost


Last seen: 3 meses hace |  Con actividad desde 2015

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System Architect at Vanderlande Industries

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Respondida
Why do I get a graph that is symmetrical based on x=-2 when I draw a graph of y1=4*log((x+2))?
Hello, You find the answer in the Warning that just made the picture... The natural logarithm log(x) is only defined for value...

más de 4 años hace | 0

Respondida
The edit field must have a mathematical equation alert using MATLAB GUIDE
I think you can use the str2func command for this. There is a nice example on the documentation page. First put @(x) in front ...

más de 4 años hace | 0

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Respondida
List of built-in functions?
There is an interesting book on speeding up Matlab functions and scripts. A few years old already, but a good read. Author Yair ...

más de 4 años hace | 0

Respondida
Discrete indexing for a loop
Hello, I think you can achieve this by changing the outer for loop into: TRange =10*2.^[0:3] for j=1:numel(TRange) T = TRang...

más de 4 años hace | 1

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Respondida
How to put trisurf into my matlab app
Please try this: trisurf(tri, X, Y, Z, p+Pmin, 'Parent', app.View); or trisurf(tri, X, Y, Z, p+Pmin, 'Parent', app.UIAxes); ...

más de 4 años hace | 0

Respondida
How to display axes objects in uitab?
I think you can solve it by first creating a uitabgroup, then creating the uitabs, and finally the plots in the proper tabs. Wh...

más de 4 años hace | 0

Respondida
Travelling salesman problem GA Matlab code debug
It look like you would like to reproduce from this article: http://www.ijaamm.com/uploads/2/1/4/8/21481830/v2n3p27.pdf The nnm...

más de 4 años hace | 1

| aceptada

Respondida
Saving figure in app designer.
You might want to take a look at this contribution: https://nl.mathworks.com/matlabcentral/fileexchange/73103-copyuiaxes Regar...

más de 4 años hace | 1

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Respondida
How can I determine the expected sum of randomly chosen numbers from vector? (combinatorics)
The nchoosek function can give you all combinations of 2 elements from the vector. Instead of nchoosek(4, 2), use nchoosek([-1 ...

más de 4 años hace | 0

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Respondida
How can I save a figure within app designer?
Inspired by <https://nl.mathworks.com/matlabcentral/answers/281318-how-can-i-save-a-figure-within-app-designer#answer_313509 Dav...

alrededor de 6 años hace | 16

Pregunta


Is it possible to toggle visibility of signals in (floating) scope during simulation?
I am looking for a way to connect multiple signals to a Simulink scope (can be a floating scope as well) and dynamically toggle ...

alrededor de 7 años hace | 2 respuestas | 0

2

respuestas

Respondida
How to call pushbutton callback again in uicontrol
Uicontrol callbacks have two default input arguments. Please have a look at the example on the following help page: https://nl...

alrededor de 7 años hace | 0

Respondida
Trying to resample data in a uniform manner (with some twists)
I found an interesting contribution on MatlabCentral: <https://nl.mathworks.com/matlabcentral/fileexchange/34871-arclength/cont...

alrededor de 8 años hace | 0

Resuelto


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

alrededor de 8 años hace

Resuelto


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

alrededor de 8 años hace

Resuelto


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

alrededor de 8 años hace

Resuelto


Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

alrededor de 8 años hace

Resuelto


Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...

alrededor de 8 años hace

Resuelto


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

alrededor de 8 años hace

Resuelto


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

alrededor de 8 años hace

Resuelto


Elapsed Time
Given two date strings d1 and d2 of the form yyyy/mm/dd HH:MM:SS (assume hours HH is in 24 hour mode), determine how much time, ...

alrededor de 8 años hace

Respondida
install matlab 2015a error pls help
Call technical support. Installation support is free of charge for all license types (at least it is here in Europe, check out t...

alrededor de 8 años hace | 0

Respondida
What happens when the argument l=1 in spap2 command?
I guess what you mean is the fit of one cubic polynomial (4 unknowns) on an arbitrary large data set of (x, y) pairs. In that c...

alrededor de 8 años hace | 0

Respondida
Hello, please help me with and advice about conditional statement
There is indeed a problem with the if-elseif-end statement. As soon as the if condition is evaluated true, the elseif is not ...

alrededor de 8 años hace | 0

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Pregunta


String formatting / manipulation in combination with Matlab Coder
Matlab Coder is used in a project to generate C code from an algorithm designed in Matlab. Comprehensive messages are construct...

alrededor de 8 años hace | 0 respuestas | 0

0

respuestas

Respondida
How to evaluate and plot a set of equations with multiple points for a specific variable
In the equation C = 3.*RHOBAR/(4.*D) you use element-wise multiplication (.*) but the division is not element-wise. If you turn ...

alrededor de 8 años hace | 0

| aceptada

Respondida
How to calculate volume by Dilation (ball 3 structural element)?
I am not sure if I understand your question correctly, but I think that what you need to do is: # Compute the sum of the volu...

alrededor de 8 años hace | 0

Resuelto


The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

casi 10 años hace

Resuelto


Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

casi 10 años hace

Resuelto


Return 'on' or 'off'
When the input is true, return 'on', otherwise, return 'off'.

casi 10 años hace

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