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# Michal Dudek

Last seen: 2 månader ago Active since 2013

Programming Languages:
MATLAB
Spoken Languages:
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...

### 2

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...

ungefär ett år ago | 1 answer | 0

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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 ...

ungefär 5 år 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...

ungefär 5 år 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...

mer än 6 år ago

Solved

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

mer än 6 år 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 ...

mer än 6 år 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...

mer än 6 år ago

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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 = ...

mer än 6 år 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...

mer än 6 år ago | 1 answer | 0

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

ungefär 7 år 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...

ungefär 7 år 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...

ungefär 7 år 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...

ungefär 7 år ago | 2 answers | 0

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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...

mer än 7 år ago | 1 answer | 0

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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 ...

mer än 9 år 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...

mer än 9 år ago

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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...

mer än 9 år 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...

mer än 9 år ago

Solved

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

mer än 9 år 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.

mer än 9 år 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...

mer än 9 år 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...

mer än 9 år 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...

mer än 9 år ago

Solved

you just measured its surface area, that is the input.

mer än 9 år 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 ...

mer än 9 år 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 ...

mer än 9 år ago

Solved

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

mer än 9 år ago

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

mer än 9 år 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 + ...

mer än 9 år ago