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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 ...

1 month ago

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Detect circles in images

Given an image and a target radius range, specified as [rmin rmax], find circles in the image. Your function should output an m-...

2 months ago

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give-nth-decimal-place-of-pi up to 100 digits

max 100th place after the decimal point this is upgrade problem of 142

2 months ago

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Ring Matrix

Given n (only odd), return output matrix a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. ...

2 months ago

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Sum of digits of powers of 2

Given n, first, calculate the number 2^n. Then, sum the digits that comprise that number. For example: Input: n = 7 2^n = ...

2 months ago

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Number of lattice points within a circle

Find the number of points (x,y) in square lattice with x^2 + y^2 =< n. This is related to Jame's <http://www.mathworks.com/matla...

2 months ago

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The almost-birthday problem.

This is a harder version of the birthday problem. Now, you will have to determine the probability that two or more people in a r...

2 months ago

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Schwarzschild radius

Compute the Schwarzschild radius for objects of mass m (kg). Use c = 299,792.458 km/s and G = 6.6738*10^-11 N*(m/kg)^2. Your fun...

2 months ago

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Periodic Table II 101.

Given the symbol of an element, return its atomic number. This is the continuation of <http://www.mathworks.com/matlabcentral/co...

2 months ago

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Special Relativity 101.

Special relativity states that the effective mass of an object varies as a function of its velocity. If *c* is the speed of ligh...

2 months ago

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Number of vertices of a hypercube

Return the number of vertices of a n-dimensional hypercube.

2 months ago