Paulo Cerqueira

Last seen: quasi 6 anni fa | Attivo dal 2019

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Sparse solver for non-square regressor matrix.
If anyone's interested, "SuiteSparseQR: Multifrontal Multithreaded Rank-Revealing Sparse QR Factorization" by Timothy Davis deta...

quasi 6 anni fa | 0

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Sparse solver for non-square regressor matrix.
When using the backslash operator to solve the least squares problem for , where is highly sparse and non-square, MATLAB seems...

quasi 6 anni fa | 1 risposta | 0

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Replace 0 indices in array with 1's
Take a incoming vector, and replace 0's with ones

circa 6 anni fa

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write a function to calculate the snr after quantizing the signal in dB
osig : original signal qsig : quantized signal qerror : quantization error HINT: snr = 10×log10(sum(osig × osig)/sum...

circa 6 anni fa

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Multiply by 3
Given the variable x as your input, multiply it by three and put the result in y.

circa 6 anni fa

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Free passes for everyone!
_Simply return the name of the coolest numerical computation software ever_ *Extra reward* (get a _freepass_): Once a mont...

circa 6 anni fa

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Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock. Tick. Tock.
Submit your answer to this problem a multiple of 5 seconds after the hour. Your answer is irrelevant; the only thing that matte...

circa 6 anni fa

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length of a vector
Find twice the length of a given vector.

circa 6 anni fa

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square root
Find the square root (y) of an input (x).

circa 6 anni fa

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easy problem
Find the last element of the array

circa 6 anni fa

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Find the dimensions of a matrix
Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2

circa 6 anni fa

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dễ dàng
cho 2 số. tính tích của chúng

circa 6 anni fa

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Chào các bạn.
Cho 3 số. Tính tổng của chúng

circa 6 anni fa

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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...

circa 6 anni fa

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Multiply 2 numbers
Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

circa 6 anni fa

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Find the nearest integer
Given a vector of integers and a real number find the closest integer. EX: >> a = [2 4 5 6 8 10]; >> b = 4.6; >> nea...

circa 6 anni fa