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Find max
Find the maximum value of a given vector or matrix.

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

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Inner product of two vectors
Find the inner product of two vectors.

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

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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 ...

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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 ...

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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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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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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 ...

5 years 前

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Climbing Power Equation: how to make a calculation into usable code
To calculate the first derivative of a particular vector X, the syntax is diff(X,1) For the above equation, Pkm = diff(Pkmt,1...

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Calculating integration limits of a double integral
For computing the numerical approximation of the above double integral %% Define the major and minor axis of ellipse a = sqrt(...

5 years 前 | 0

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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| ...

5 years 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...

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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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need plotting help with matrix and loops
Minor refactoring of the above code close all clc clf %%Clear the figure window addpath c:\antennas\ewa; l=.68; a=(.00002...

5 years 前 | 1

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How to represent a complex function in modulo
Intuitively speaking, at line no. 9 stems(abs(c)); is 0 everywhere except at = 0 . = inf . = for all values of Hence a...

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x(t)=log(8)[t+Π(t)], t=[1e-4, 10]
% Vector to define t t = [1e-4:0.001:10]; % product of all time instances prod_t = prod(t); % x(t) x = log(8)*(t+prod_t...

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Reading .gz file
For unzipping a .gz file, gunzip function can be used

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Loading a MAT file gives "Cannot read file", yet sucessfuly loads data into memory.
There could be a possibility of the file being corrupted. For further analysis, you can use the MATCAT tool , which is available...

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Using python function in matlab
The closing ) is missing in the above code. The correct code would be img, background = py.cv2_rolling_ball.subtract_background...

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Curve variation and point detection
%% Location of first peak [pk1,loc1] = findpeaks(Signal, 'MinPeakHeight',0.15) %% Location of second peak subSignal = Signa...

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