Community Profile # Timo Dietz

Last seen: 3 months ago Active since 2018

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How to send Simulink variable to matlab?
Timeseries signals can be plotted directly: plot(simout) or separated by x and y: plot(simout.Time, simout.Data)

6 months ago | 0

Why is my plot plotting blank?
Each loop you are plotting one point, only. So you either have to "hold on" the figure to prevent erasing all data before the ne...

6 months ago | 1

Replace every nth element in a vector
You must not start your index with '0' but with '1' Inv(1:lifetime:projectlength)= costs;

6 months ago | 0

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Start and end point of a signal
Not sure whether I understood your question, but if you want to get the indices of an array for which the data meets certain req...

6 months ago | 0

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How can I send the MATLAB data(using loop) to excel???
rndMatrix = zeros(9, 4); % preallocation for i = 1:9 rndMatrix(i, 1) = i; % i rndMatrix(i, ...

6 months ago | 0

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How to change all the colours in the image to black
Try this: imageData = imread([yourFile]); % split R, G, B imgR = imageData(:, :, 1); imgG = imageData(:, :, 2); imgB = ...

6 months ago | 1

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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...

7 months ago

Solved

Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

7 months ago

Solved

Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

7 months ago

Solved

Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

7 months ago

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...

7 months 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:...

7 months ago

How can I determine the time t when a specific value y is reached in SIMULINK?
There are multiple ways of doing this. One is to attach the source block "clock" to a triggered subsystem which contains just a ...

7 months ago | 1

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Setting a fixed sized matrix size in Simulink at run time
First, add an input 'n' of type „Parameter“ to the Matlab function block using the Simulink ModelExplorer and un-check the “Tuna...

7 months ago | 0

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Dynamically adding element to an array
priceArray= ... [1 29.21 -1 29.41 -1 29.43 -1 29.63 1 29.01 0 29.21 1 28.62 ...

7 months ago | 1

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Approximation of area of an image
Personally, I would try this: 1) Introduce an intensity threshold. All pixels below will be treated as 0, all above as 1. 2) N...

7 months ago | 0

decrA = 0; out = zeros(1, numel(A)); out(1) = A(1); for idx = 2:1:numel(A) if A(idx) == -1 out(idx)...

7 months ago | 1

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How can I control decimal in plot with four axes?
I don't think that it's possible what you want to achieve. A second y axis can be activated with yyaxis or plotyy (same x scali...

7 months ago | 0

Plot Graph with different b Values
There is no declaration of 'r'. I guess it should be instead of 'i'? Not sure what exactly you want to plot and/or how 'M' shou...

8 months ago | 0

bars with mean and std on them
replace the XEndPoints/YEndPoints by XData(end)/YData(end): xtips1 = b(1).XData(end); ytips1 = b(1).YData(end); Btw, xtickl...

8 months ago | 0

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How can I separate data that does not fit the required format?
Maybe I didn't get your issue, but what about using "contains" and searching for a specific identifier? E.g. contains([your_hex...

8 months ago | 0

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Index exceeds the number of array elements: in case of for loop.
k4 has 8 members. But the third member of Perm is 8. So plus one leads to 9 which is more than k4 contains k4(Perm(i)+1) = k4(9...

8 months ago | 1

Making a change in appdesigner when deployed permanent
You have to use "load" / "save" functions to store and reload your settings. The app does not support permanent changes of the ...

8 months ago | 0

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Concatenate signals ( sine wave and a line )
I guess you want to add a X/Y line after the sine wave, right? In this case you have to concatenate X + t and Y + a in order to...

8 months ago | 1

wrong number of rows of cell array using length()-function
You should use the size command to distinguish between row and col. To be more precise: length(X) returns the length of vect...

8 months ago | 0

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How to select a column on basis of some conditions on the rows?
Does this solve your problem? x = x(:, x(1, :) > 0 & x(2, :) > 0 & x(4, :) < 0)

9 months ago | 0

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how to do sum of element of multiple number in matlab?
Not sure whether I got your issue. But in case you want to summarize all members of m starting at index 1, up to each member of ...

9 months ago | 0

Cut out all of a square array except for a specified NxN section in the middle.
Try this: rowOffset = (rowdim-m)/2; columnOffset = (columndim-m)/2; centerMatrix = x(rowOffset+1:end-rowOffset,...

9 months ago | 1