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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...

1 year 前

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

1 year 前

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

1 year 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:...

1 year 前

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Input...

1 year 前

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How to maintain DC link voltage constant in Grid tied Photovoltaic System?
Hi Mohammad If the DC link voltage is not constant in a grid-connected single-phase inverter when implementing current control,...

1 year 前 | 1

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How to achieve rotation invariant using inertia matrix?
Hi Huahua, When computing the eigenvectors of the inertia matrix to obtain the rotation matrix, it is indeed possible to obtain...

1 year 前 | 1

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looking for convenient way to extract matrix from 1*n*n
Hi YuLi, You can use squeeze function here: A=zeros(5,5,5); size(A) ;%5x5x5 B=sum(A,1); size(B) %1x5x5 C=squeeze(B); siz...

1 year 前 | 1

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api.thigspeak vs mqtt.thingspeak
Hi Gulzar, Answering all your queries one by one: Query 1 : Are the two thingspeak APIs for read and write are for HTTP (REST)...

1 year 前 | 1

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Turned image into matrix
Hi Putra, Actually here we can use imread function: img1=imread('owl.0.jpg'); img2=imread('owl.1.jpg'); img3=imread('owl.2.jp...

1 year 前 | 0

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It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more here) asserted that readers are relatively insensitive to letter order in words, so long a...

1 year 前

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

1 year 前