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Will Hardiman


Last seen: ungefär en månad ago |  Active since 2019

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Unwrap does not work for vector
I just re-read the documentation for unwrap, where it clearly says: Q = unwrap(P,tol) compares the jump between elements of P t...

nästan 3 år ago | 0

| accepted

Question


Unwrap does not work for vector
I have a vector, y, calculated as atan(a/b). Naturally when b is close to 0 the tan function exhibits a phase wrap: y = atan(a/...

nästan 3 år ago | 1 answer | 0

1

answer

Solved


Create an index-powered vector
Given a input vector x, return y as index-powered vector as shown below. Example x = [2 3 6 9] then y should be [...

mer än 3 år ago

Solved


If-then-else
Complete the function below such that if the value of x is in the range 10 to 14, inclusive, the value 18 is assigned to y. Oth...

mer än 3 år ago

Solved


Special matrix
Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...

mer än 3 år ago

Solved


Calculate the Number of Sign Changes in a Row Vector (No Element Is Zero)
For a row vector: V=[7 1 2 -3] there is one sign change (from 2 to -3). So, the function you write must return N=1. F...

mer än 3 år ago

Solved


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...

mer än 3 år ago

Solved


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:...

mer än 3 år ago

Question


Understanding the FFT documentation
As I understand, for a signal x, the frequency spectrum X = fft(x) is two-sided - the first half of the array is frequencies 0 t...

ungefär 4 år ago | 1 answer | 0

1

answer

Question


Arguments block syntax not being recognised
I'm trying to use an arguments block for input argument validation in a standalone function. I followed the instructions here, a...

nästan 5 år ago | 1 answer | 1

1

answer

Question


Regionprops returning "wrong" axis lengths
I have a segmentation pipeline which produces a binary mask fitted to the outline of a cell. When I use regionprops to measure t...

ungefär 5 år ago | 1 answer | 0

1

answer