解決済み

Solving a quadratic equation
Given a, b and c, Return the solution of the following quadratic equation: a*x^2 + b*x + c = 0.

9年弱前

解決済み

Is My Wife Wrong?
Answer the question. (see also <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right Problem 149: Is my ...

9年弱前

解決済み

Test
Answer the question and the correct answer write in vector. Only one answer is correct. 1a Yes 1b No 1c No 1d No ...

9年弱前

解決済み

calculate RMS voltage
given peak to peak voltage, calculate rms voltage

9年弱前

解決済み

Factorial !
Calculate the factorial of a non-negative integer without using the built in function *factorial*

9年弱前

解決済み

Find the position of first minimum value in an integer array with numbers
If x = [2 6 4 9 10 3 1 5 1] the the output should be 7, because the first minimum value (1) lies at the 7th position.

9年弱前

解決済み

Leaking?
Graham's law states that the rate of effusion of a gas is inversely proportional to the square root of its molecular weight. A b...

9年弱前

解決済み

COUNT VOWEL
Count, how many times vowels occurred. EXAMPLE: x='string the MaTLaBiAn' then the answer will be 6. x='coUnt the vowEl' th...

9年弱前

解決済み

Find the square of the sum of the digits of a number
If a number (n) is provided as an input, find the square of the sum of the digits of the number. Example If n = 21, the an...

9年弱前

解決済み

Array GCD
* Find Greatest Common Divisor in a given array * Function Template: function ans = arraygcd(a) % a=[45 15 200 ...

9年弱前

解決済み

Palindrome Check
Check whether the entire matrix is palindrome or not. Example matrix = [7 8 7] matrix_reverse = [7 8 7] So the mat...

9年弱前

解決済み

Integer or Float?
Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

9年弱前

解決済み

Max index of 3D array
Given a three dimensional array M(m,n,p) write a code that finds the three coordinates x,y,z of the Maximum value. Example ...

9年弱前

解決済み

Are you in XY plane?
Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

9年弱前

解決済み

calculate linear convolution two vectors
for e.g in: a = [1 2 3] b = [4 5 6] out: y = [4 13 28 27 18]

9年弱前

解決済み

find the roots of a quadratic equation
for e.g x = [ 2 -1 -3] y = [1.5 -1]

9年弱前

解決済み

edge detection
write a function that gives the indexes of rising or falling edge x is a vector (assume it contains always at least one eleme...

9年弱前

解決済み

Tiling a matrix
Given a matrix and a number of columns, replicate matrix in a single row

9年弱前

解決済み

Saving MATLAB session to a file
How to save MATLAB session to a file?

9年弱前

解決済み

Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

9年弱前

解決済み

Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

9年弱前

解決済み

Frobenius Norm
Write your own version of Frobenius Norm without using the 'norm' function.

9年弱前

解決済み

construct matrix with identical rows
Input a row vector such as x=1:10. Now we need to construct a matrix with L rows,of which every row vector is a copy of x. E...

9年弱前

解決済み

Integer indexing array: Reverse subsets
Construct an indexing array copySubset so that the statement reversedOrder = origOrder(copySubset); results in a row array begin...

9年弱前

解決済み

Cell Counting: How Many Draws?
You are given a cell array containing information about a number of soccer games. Each cell contains one of the following: * ...

9年弱前

解決済み

Simple date to serial no. conversion
Convert a date string to a serial date number. For example if you take x='19-May-2001' then the result is 730990 x...

9年弱前

解決済み

Replacing a row
For matrix G=[1 2 3; 4 5 6; 7 8 9] Replace the 2nd row with 8s **remember to create matrix G

9年弱前

解決済み

Half-Swap
Given a vector with an even number of elements, rearrange it so that the elements in its first half are switched with those i...

9年弱前

解決済み

Vector of numbers divisible by 3
* Input(n) - any integer * Output(v) - vector with numbers divisible by 3(exept 0) starting from n to 0 Examples: * n=6...

9年弱前

解決済み

Calculate distance travelled when given radius and rotations
When given radius of wheel and number of rotations calculate total distance travelled consider pi=3.14

9年弱前