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Dennis


Last seen: 28 dagen ago |  Active since 2018

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  • Introduction to MATLAB Master
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Answered
Wanting to call a number from a 1x6 double
Your array has the size 1x6. So it contains values at the positions (1,1) = 9.4623, (1,2) = -71.4600, (1,3) = -21.3836 and so on...

meer dan 2 jaar ago | 0

| accepted

Answered
MATLAB app designer too many output arguments
There are 2 errors in this line: app.DiffusionCoefficientmm2sEditFieldValueChanged.Value = app.DifCoeNum First you got the na...

meer dan 2 jaar ago | 0

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Solved


Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

meer dan 2 jaar ago

Answered
Is it possible to change the value of a global variable in app designer?
Yes, you can use one matrix for several callbacks and it will keep its values. It will be stored as app property, so you need to...

meer dan 3 jaar ago | 0

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Answered
what is the error with that code?
You need to pass the FontSize as number and not as string: xlabel('time (sec)','fontsize',18,'fontweight','b'); ...

ongeveer 4 jaar ago | 0

Answered
I need to break my while loop with a push of button but i get a error
Short answer: clear all; deletes a. Longer answer: Your immediate problem should be solved just by omitting the 'clear all...

ongeveer 4 jaar ago | 0

| accepted

Question


How can i format my uitable using html when it is contained in a parent figure?
Hi, i am trying to format an uitable to have a 2-line header: mytable=uitable(); mytable.ColumnName={'<html><center>This is<b...

meer dan 4 jaar ago | 1 answer | 0

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Answered
Loop through multiple EditField controls placed inside the App Designer and get values from them.
If your edit fields have systematic names you can do it like this: for i=1:3 app.(sprintf('EditField%d',i)).Value end Yo...

meer dan 4 jaar ago | 2

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Solved


Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

meer dan 4 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 ...

meer dan 4 jaar ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

meer dan 4 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:...

meer dan 4 jaar ago

Answered
Generating an unknown ammount of Buttons in App Designer
Hi, your code should almost work, you need to remove the preallocation with zeros. You can let your loop run backwards instead:...

ongeveer 5 jaar ago | 2

Answered
How to fix uicontrol callback error and retrieve the status of a pushbutton from a callback function ?
There are two different types of buttons in MATLAB, push buttons and toggle buttons. The latter actually have the function you d...

meer dan 5 jaar ago | 0

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Answered
Undefined function 'mtimes' for input arguments of type 'matlab.ui.control.NumericEditField' error
app.S.Value = (C_ratio)^2*((app.V.Value*N)/P); You forgot the '.Value', the error message tells you that you can not multiply ...

meer dan 5 jaar ago | 1

Answered
Edit box in Gui app
Do you get any error messages? You are overwriting the handle of your edit box, thus you use the wrong handle when you try to u...

meer dan 5 jaar ago | 0

| accepted

Answered
Get Values of uibuttongroup uicontrol checkboxs when i clicked on other uibuttongroup uicontrol pushbutton
You need to pass the handle of your checkboxes to your submitcb to access the values. First add those handles as additional inp...

meer dan 5 jaar ago | 0

Answered
Unable to check checkboxes AppDesigner
You need to set the values of your checkbox to true or false, not to 0 or 1. MWE: t=uitable; t.ColumnFormat={'logical'}; t.Co...

meer dan 5 jaar ago | 0

Answered
How to save and load App Designer app state in between sessions
You should load your .mat file into a structure, and pass that structure to other functions. S=load('tccworkspace.mat'); You ...

meer dan 5 jaar ago | 0

Answered
converting randit to randi
matrix(i,j)=randi(9); Instead of creating single random numbers in a loop maybe consider creating them as vector/matrix. m...

meer dan 5 jaar ago | 0

Answered
building a for loop with t = t+1
A few things first: i is often used to increment for loops, but it is completly up to you if you use i, t or something else. ...

meer dan 5 jaar ago | 1

| accepted

Answered
convert matrix to vector in a loop
Please check if this works for you: A=randi(100,144,10); %matrix of size (144,10) B=reshape(A',40,36); B=B';

meer dan 5 jaar ago | 1

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Answered
Plotting Negative Values in a Loop
As KSSV already pointed out you need integers as array indices. Additionally i would recommend to use markers to make your data...

meer dan 5 jaar ago | 0

Answered
How can I use imellipse on a GUI?
When asking a question you should always include the complete error message. My guess is that your error message tells you that...

meer dan 5 jaar ago | 0

Answered
how to get string as output from inputdlg?
inputdlg returns a cell array and not a string. Try data = xlsread(filename,sheet{1},xlRange);

meer dan 5 jaar ago | 0

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Answered
How to retrieve datas from multiples GUIs into a function ?
The difference is where you store your values. The setappdata/getappdata needs an object to store your data, which is provided a...

meer dan 5 jaar ago | 0

| accepted

Answered
dealing with checkbox in GUI
Use a loop and uncheck/check them. %create 20 checkboxes for i=20:-1:1 handles.uihandles(i)=uicontrol('style','checkbox...

meer dan 5 jaar ago | 0

| accepted

Answered
Using Radio Buttons with Push Button
Try changing switch get(eventdata.uibuttongroup1, 'Tag') to switch get(handles.uibuttongroup1.SelectedObject) And you n...

meer dan 5 jaar ago | 0

Answered
Multiple variable generated by one GUI element
Most likely you do not want to store each value in a different variable. Please check Stephen's tutorial to learn more about thi...

meer dan 5 jaar ago | 0

| accepted

Answered
How to replace the "files required for your application to run" in app designer
Yes, this can be done. There is a really good blog post about this topic, which can be found here. As stated in the blog you ca...

meer dan 5 jaar ago | 0

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