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Last seen: 2年以上 前 |  2019 年からアクティブ

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質問


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 ...

3年弱 前 | 1 件の回答 | 1

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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...

3年以上 前

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Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

3年以上 前

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Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

3年以上 前

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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...

3年以上 前

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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...

3年以上 前

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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 ...

3年以上 前

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Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

3年以上 前

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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| ...

3年以上 前

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Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

3年以上 前

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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,....

3年以上 前

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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...

3年以上 前

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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...

3年以上 前

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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...

3年以上 前

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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:...

3年以上 前

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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...

3年以上 前 | 1

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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...

3年以上 前 | 0

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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...

約4年 前 | 0

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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...

約4年 前 | 1

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Matlab graphs not showing
Nothing is plotted because Jx is all NaN's, so something is wrong with your calculations.

約4年 前 | 0

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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'...

4年以上 前 | 0

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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...

4年以上 前 | 0

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Finding Commented blocks programmatically
what about adding 'Commented','on' and 'Commented','through' to the find_system() arguments?

4年以上 前 | 0

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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?...

4年以上 前 | 0

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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...

4年以上 前 | 0

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How to Delay matlab function block?
Have you tried Delay blocks?

4年以上 前 | 0

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質問


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...

4年以上 前 | 1 件の回答 | 2

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Is 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...

4年以上 前 | 0

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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...

4年以上 前 | 0

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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',...

4年以上 前 | 0

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