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Joost


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System Architect at Vanderlande Industries

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已回答
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...

4 years 前 | 0

已回答
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 ...

4 years 前 | 0

| 已接受

已回答
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 ...

4 years 前 | 0

已回答
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...

4 years 前 | 1

| 已接受

已回答
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); ...

4 years 前 | 0

已回答
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...

4 years 前 | 0

已回答
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...

4 years 前 | 1

| 已接受

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

4 years 前 | 1

| 已接受

已回答
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 ...

4 years 前 | 0

| 已接受

已回答
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...

6 years 前 | 16

提问


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 ...

7 years 前 | 2 个回答 | 0

2

个回答

已回答
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...

7 years 前 | 0

已回答
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...

8 years 前 | 0

已解决


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

8 years 前

已解决


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...

8 years 前

已解决


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.

8 years 前

已解决


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...

8 years 前

已解决


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...

8 years 前

已解决


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...

8 years 前

已解决


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...

8 years 前

已解决


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, ...

8 years 前

已回答
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...

8 years 前 | 0

已回答
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...

8 years 前 | 0

已回答
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 ...

8 years 前 | 0

| 已接受

提问


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...

8 years 前 | 0 个回答 | 0

0

个回答

已回答
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 ...

8 years 前 | 0

| 已接受

已回答
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...

8 years 前 | 0

已解决


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".

10 years 前

已解决


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 ...

10 years 前

已解决


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

10 years 前

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