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Michal Dudek


Last seen: 7 maanden ago |  Active since 2013

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Programming Languages:
MATLAB
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English

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Question


imhist and histogram giving different results
I'm trying to obtain a histogram of a 1-D signal (type double in the range 0-1). I've tried using two functions - imhist and his...

ongeveer 2 jaar ago | 2 answers | 0

2

answers

Question


inputdlg displays dialog box in the second screen
After updating Matlab from 2020a to 2020b (Windows 10 21H1) I found out that inpudlg function diplays dialog box in the second s...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Solved


Energy of a photon
Given the frequency F of a photon in giga hertz. Find energy E of this photon in giga electron volts. Assume h, Planck's ...

ongeveer 7 jaar ago

Solved


How to subtract?
* Imagine you need to subtract one number from another using MATLAB. * You will not be using eval for this task. * Given two A...

ongeveer 7 jaar ago

Solved


Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...

ongeveer 8 jaar ago

Solved


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

ongeveer 8 jaar ago

Solved


Pizza value using expression with parentheses
Pizza prices are typically listed by diameter, rather than the more relevant feature of area. Compute a pizza's value (cost per ...

ongeveer 8 jaar ago

Solved


Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

ongeveer 8 jaar ago

Solved


Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

ongeveer 8 jaar ago

Question


Interpolation of empty area in the image
I would like to interpolate values of empty places (value == 0) in my image (as shown below) without changing the values in othe...

meer dan 8 jaar ago | 1 answer | 0

1

answer

Solved


Create a row array using double colon operator
Create a row array from 9 to 1, using the double colon operator.

ongeveer 9 jaar ago

Solved


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

ongeveer 9 jaar ago

Solved


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

ongeveer 9 jaar ago

Question


Is it possible to create 24-bit gif in Matlab?
I would like to create 24-bit animated gif from figure. Is it even possible in Matlab? Below part of my code: current_fr...

ongeveer 9 jaar ago | 2 answers | 0

2

answers

Question


Dummy input for videoinput
Is there a possibility to create something like a "dummy input" for Image Acquisition? What I want is to create a video input...

meer dan 9 jaar ago | 1 answer | 0

1

answer

Solved


Make one big string out of two smaller strings
If you have two small strings, like 'a' and 'b', return them put together like 'ab'. 'a' and 'b' => 'ab' For extra ...

meer dan 11 jaar ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

meer dan 11 jaar ago

Solved


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...

meer dan 11 jaar ago

Solved


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...

meer dan 11 jaar ago

Solved


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

meer dan 11 jaar ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

meer dan 11 jaar ago

Solved


Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

meer dan 11 jaar 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...

meer dan 11 jaar ago

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Example...

meer dan 11 jaar ago

Solved


radius of a spherical planet
you just measured its surface area, that is the input.

meer dan 11 jaar ago

Solved


Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

meer dan 11 jaar ago

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

meer dan 11 jaar ago

Solved


Is my wife right?
Regardless of input, output the string 'yes'.

meer dan 11 jaar ago

Solved


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

meer dan 11 jaar ago

Solved


Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

meer dan 11 jaar ago

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