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David Hruska


MathWorks

157 2011 年以降の合計貢献数

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Unit Test: Write parametrized tests where TestParameters depends on ClassSetupParameters?
Sorry for the long delay in replying! Were you able to find a workaround? The only workaround I can think of is to manually c...

1年以上 前 | 0

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How can I pass values from inside a TestRunner run?
You can use a TestRunnerPlugin to store data from the test run. I've included some example code below to show how this might wor...

1年以上 前 | 0

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Number of Even Elements in Fibonacci Sequence
Find how many even fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

2年弱 前

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The 5th Root
Write a function to find the 5th root of a number. It sounds easy, but the typical functions are not allowed (see the test su...

2年弱 前

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How can I make a mock method return different answers?
Unfortunately, there isn't a clean way to do this. I'll record this question in an enhancement request, though, for consideratio...

2年弱 前 | 1

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Combine the first and last names
MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

2年以上 前

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How to use constant property when defining TestParameter in unittest.
This is a bug: https://www.mathworks.com/support/bugreports/1212962 The bug report mentions Static methods but the same is...

3年以上 前 | 1

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This is a palindrome and so am I
A palindrome is a sequence of characters which reads the same backward or forward, for instance 'a man a plan a canal panama'...

約4年 前

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Parameters for Matlab.unittest.TestCase
If you have access to R2014a or later, parameterized testing could still be an option. Parameter values are often hard-coded but...

4年以上 前 | 2

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How to perform multiple identical unit tests.
Release 2014a provides another solution that you may want to consider -- writing a parameterized test. Please see <http://www.ma...

5年以上 前 | 1

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Data driven Unit Tests
Another possibility, as of release 2014a, is to write a <http://www.mathworks.com/help/matlab/matlab_prog/create-basic-parameter...

5年以上 前 | 2

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

5年以上 前

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Equilibrium
Is this tower of blocks going to fall? <<http://www.alfnie.com/software/equilibrium02.jpg>> *Description* Given a stack...

5年以上 前

回答済み
How to perform multiple identical unit tests.
Hi Graham, One approach is to define your test content in an abstract base class. The test content would refer to an abstract...

6年弱 前 | 2

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Coin change combinations.
Using only pennies (1), nickels (5), dimes (10), quarters (25), half dollars (50), and dollars (100), how many different combina...

6年以上 前

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Unique values without using UNIQUE function
You must return unique values in a vector in *stable* mode without using the unique function. About stable order flag: ...

7年弱 前

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Create logical matrix with a specific row and column sums
Given two numbers *|n|* and *|s|*, build an |n-by-n| logical matrix (of only zeros and ones), such that both the row sums and th...

約7年 前

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Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...

約7年 前

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Community Problem 500!
In honor of this being the 500th Community problem, see if you can create a function that has a Cody size of 500. It can do any...

約7年 前

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Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

約7年 前

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Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

約7年 前

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Convert single-precision floating-point number to binary representation
Write a function which takes a scalar <http://en.wikipedia.org/wiki/Single-precision_floating-point_format single-precision floa...

約7年 前

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Multiply 2 numbers
Very easy, you just have to multiply 2 numbers but you cannot use the following signs (*, /, - ,^) ,mtimes , times, cross, pro...

約7年 前

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Create a matrix from a cell
In this problem , you must convert a cell into a matrix and pad each cell with NaN. *Example 1:* If you have the input...

約7年 前

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Assign numerical values to a structure with 1 field
The aim is to assign values to a multidimensional structure *without using for-loop or while-loop* Example with a structure ...

約7年 前

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Accumulate Cells
Given a combining function, a cell array, and an initial value, accumulate the result. For example, accumcell(@plus,{1,...

7年以上 前

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Find the biggest empty box
You are given a matrix that contains only ones and zeros. Think of the ones as columns in an otherwise empty floor plan. You wan...

7年以上 前

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Ackermann's Function
Ackermann's Function is a recursive function that is not 'primitive recursive.' <http://en.wikipedia.org/wiki/Ackermann_fun...

7年以上 前

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Reindex a vector
You are given two vectors of equal length. Vector N has numeric values (no Inf or NaN) while vector IDX has integers. Place th...

7年以上 前

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Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

7年以上 前

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