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neil jerome


Last seen: 2 years ago |  Active since 2019

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brute force and extensive comments

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  • CUP Challenge Master
  • MATLAB Central Treasure Hunt Finisher
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I want to deblur an image that i don't have the original scene
the section on blind deconvolution will attempt to return a PSF as well as the deblurred image; i have tried this in the past wi...

4 years ago | 0

Solved


Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

4 years ago

Solved


Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<https://imgur...

4 years ago

Solved


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

4 years ago

Solved


Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

4 years ago

Solved


Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

4 years ago

Solved


Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

4 years ago

Solved


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...

4 years ago

Solved


Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

4 years ago

Solved


Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

4 years ago

Solved


Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

4 years ago

Solved


Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

4 years ago

Solved


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

4 years ago

Solved


Calculate the area of a triangle between three points
Calculate the area of a triangle between three points: P1(X1,Y1) P2(X2,Y2) P3(X3,Y3) these three points are the vert...

4 years ago

Answered
Overwrite 'NaN' cells of an array with non NaN cells of another
hi vasilis, have a look through this: rather than using a loop (which should work fine, but probably slower) you can use indexi...

4 years ago | 0

| accepted

Solved


Get the side length by using the law of cosines.

4 years ago

Answered
Appending arrays of different length
didn't quite understand what output you really are looking for, but this shows how to use cat(). (note that with n=23, the resul...

4 years ago | 0

| accepted

Answered
how to locate group of pixels in a large image
%% find known submatrix in large matrix % will find all instances sourceMat = magic(15); % example source matrix targMat = ...

4 years ago | 1

Answered
Hi everyone, I am having a problem with axes in gui.
the black parts are created when the new rotated image is created, and so are part of the image. if you know the colour of your ...

4 years ago | 0

Answered
Why can't I form a table from my equation
you are indexing the (mon+1)th element of P, which is to say you are trying to line up n, which has many elements, with P(mon+1)...

4 years ago | 0

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How to make matrix dimensions the same size?
% fixation time script % read data data = readtable('data.txt','HeaderLines',1,'Delimiter','\t'); % see my 'data.txt' below ...

4 years ago | 0

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Answered
Intersection point of yline
the code below shows how to 'brute force' a numerical answer, down to a precision you can adjust, by iteratively 'zooming in' on...

4 years ago | 0

Answered
guys can you chek this code its not working where is the fault?
hi ezgi, you've got yourself into some trouble here; don't worry, matlab isn't straightforward, and you had some decent ideas...

4 years ago | 0

Answered
zero crossings with interpolation
LOTS of ways to do this! i've 'over-commented' this code to show the logic - this is deliberately not the fastest or most comp...

4 years ago | 1

Answered
could anyone help me to solve the issue
can't follow your question exactly; your expected output shows 2 answers in the top row, but these are not the highest values? (...

5 years ago | 0

Answered
How can i find the position of the origin of a Cartesian plot?
i would try looking at the 'position' property of the axes against the limits; the following works for figures, and seems to for...

5 years ago | 0

Answered
Insert a vector into a matrix without where the row placement is given from a number
hi mikkel, the code below assumes the new depth is in the middle of the list somewhere. so this shows how to insert a row by br...

5 years ago | 0

Answered
Plot through bottom y-limit
not totally obvious what you mean. if you want to avoid the automatic joining of points through the x-axis that you want to ssho...

5 years ago | 0

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Answered
Insert a vector into a matrix without where the row placement is given from a number
yeah, the vector_add formulation is odd, and the direction is worng (?), but i think i see what you mean. you actually just have...

5 years ago | 0

| accepted

Question


Creating figure with negative position for secondary monitor (on mac)?
i see some questions for this exact issue, but resolved for windows - i'm on a mac and can't translate the answers across. i ...

5 years ago | 0 answers | 0

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