Alan Bindemann

Last seen: 19 jours il y a | Actif depuis 2007

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MATLAB Basic: rounding II
Do rounding nearest integer. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 9

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. http://en.wikipedia.org/wiki/Whole_numb...

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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

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MATLAB Basic: rounding IV
Do rounding towards plus infinity. Example: -8.8, answer -8 +8.1 answer 9 +8.50 answer 9

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MATLAB Basic: rounding III
Do rounding towards minus infinity. Example: -8.8, answer -9 +8.1 answer 8 +8.50 answer 8

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MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

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Question

How do I make a uibutton the 'active' item in a GUI upon construction?
I would like to have a button on an appDesigner GUI that is highlighted upon opening, giving the user the option of quickly dism...

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Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

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Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

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

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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|...

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Solve a System of Linear Equations
Example: If a system of linear equations in x₁ and x₂ is: 2x₁ + x₂ = 2 x₁ - 4 x₂ = 3 Then the coefficient matrix (A) is: 2 ...

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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...

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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...

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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 ...

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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...

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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| ...

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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,....

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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...

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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...

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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...

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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:...

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Question

Using timetable versus tscollection objects
I have Simulink models that log signal data using the Simulink.SimulationData.Dataset class. I'm writing post-processing m-co...

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Best-Practice: Vectorizing code dealing with sets of 3-element vectors, n x 3 or 3 x n?
After coding with MATLAB for years, and building a large library of functions that deal with transformations of large sets of Ca...

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If I create an Enumerated class that inherits from Simulink.IntEnumType, do users of that class require a Simulink license?
I would like to have a set of enumerated classes in a toolbox that can be used in both MATLAB and Simulink. Enumerated classes ...

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Best Practice for Defining Large Constant Array in Function (Must Code-generate)
I have a function that uses a largish array of constant Legendre polynomial coefficients. I'm curious, from a performance stand...

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How do I make the x-axis of plotted timeseries data behave like it does when using datetime values?
I much prefer the zooming behavior of plots created using |datetime| values to that seen when you plot |timeseries| data that us...

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Why doesn't Simulink support Enumerations in Packages?
I really like the package feature of MATLAB. I'm wondering why Simulink doesn't allow use of Enumerations stored in packages. ...

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