maiaL
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Accept 1 answer given by other contributors
Awarded to maiaL on 17 Dec 2021
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Pregunta
Discrepancies between single and double precision sum over time
I attempted to isolate and better understand an issue happening in a more complex model. It came down to an internal "clock" we ...
casi 3 años hace | 1 respuesta | 1
1
respuestaResuelto
Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...
más de 3 años hace
Resuelto
Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...
más de 3 años hace
Resuelto
Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...
más de 3 años hace
Resuelto
Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...
más de 3 años hace
Resuelto
Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...
más de 3 años hace
Resuelto
Longest run of consecutive numbers
Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...
más de 3 años hace
Resuelto
Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...
más de 3 años hace
Resuelto
Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...
más de 3 años hace
Resuelto
Solve a System of Linear Equations
*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...
más de 3 años hace
Resuelto
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,....
más de 3 años hace
Resuelto
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...
más de 3 años hace
Resuelto
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...
más de 3 años hace
Resuelto
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...
más de 3 años hace
Resuelto
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:...
más de 3 años hace
Where do the thermal properties of the generic battery model come from?
The equations used in this model can be found in the documentation: https://www.mathworks.com/help/physmod/sps/powersys/ref/batt...
más de 3 años hace | 1
Onda seno (Sine wave) at Simulink
Se entendi direito seu problema, você pode tentar algo assim (If I understood your problem correctly, you can try something like...
más de 3 años hace | 0
Matlab spring equation question
The way I understand the problem, you need an array "x" as the result of this program, which will have the same size as the arra...
alrededor de 4 años hace | 0
How do I increase the font size of MATLAB Document Help?
Ctrl + '+' for increasing and Ctrl + '-' for decreasing. Or alternatively, press and hold Ctrl and roll your mouse wheel. Should...
alrededor de 4 años hace | 1
Matlab graphs not showing
Nothing is plotted because Jx is all NaN's, so something is wrong with your calculations.
alrededor de 4 años hace | 0
| aceptada
How to find value of X when Y reaches maximum value
Not sure what kind of output you want, but one way would be to get the derivative of your y(x) function. When it's "zero", it'...
más de 4 años hace | 0
| aceptada
SIMULINK step, ramp "Start time" on command
A possible solution would be to use an enable subsystem, where the enable signal would be the result of checking the pressure se...
más de 4 años hace | 0
| aceptada
Finding Commented blocks programmatically
what about adding 'Commented','on' and 'Commented','through' to the find_system() arguments?
más de 4 años hace | 0
| aceptada
Simulink - Interpreted Matlab Function: How can I define that I want two inputs to my function?
The Interpreted MATLAB function block only accepts one input afaik. Would it be possible to use a MATLAB function block instead?...
más de 4 años hace | 0
Greek character in script turned to a square or a question mark - any ideas why?
You can refer to this if you want to print greek and other special characters. But I don't think you can have these characters w...
más de 4 años hace | 0
How to Delay matlab function block?
Have you tried Delay blocks?
más de 4 años hace | 0
| aceptada
Pregunta
Extremely slow compilation time in referenced model (Simulink)
I have a Simulink model (model1) which has a model reference to model2. Model2 compilation time (checked with sldiagnostics) is...
más de 4 años hace | 1 respuesta | 2
1
respuestaIs there a way of externally defining the initial output of a Variable Transport Delay?
Not sure if I understood the question clearly, but you could simply define a ini_output value in the base workspace: ini_output...
más de 4 años hace | 0
Algebraic state in algebraic loop
You could try adding a Delay block before the input to the derivative block. I don't know if the signal in your actual model i...
más de 4 años hace | 0
List of all subsystem(include Model reference) in each layer from model
This could be a starting point: SubsystemsList=find_system('mdlName','SearchDepth',20,'LookUnderMasks','on','FollowLinks','on',...
más de 4 años hace | 0
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