Gelöst

Compute LOG(1+X) in natural log
Compute LOG(1+X) in natural log

12 Monate vor

Gelöst

Square root of a number
Write a code that will output the square root of x.

12 Monate vor

Gelöst

Solving Quadratic Equations (Version 2)
Before attempting this problem, solve version 1: <https://www.mathworks.com/matlabcentral/cody/problems/2510-solving-quadratic-...

12 Monate vor

Gelöst

Solving Quadratic Equations (Version 1)
Quadratic equations have the form: ax^2 + bx + c = 0. Example: x^2 + 3x + 2 = 0, where a = 1, b = 3, and c = 2. The equation has...

12 Monate vor

Gelöst

Count from 0 to N^M in base N.
Return an array of numbers which (effectively) count from 0 to N^M-1 in base N. The result should be returned in a matrix, with ...

12 Monate vor

Gelöst

Sums with Excluded Digits
Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

12 Monate vor

Gelöst

Smallest n, for n! to have m trailing zero digits
For given positive integer n, its factorial often has many trailing zeros, in other words many factors of 10s. In order for n! t...

12 Monate vor

Gelöst

Pattern Sum
Write a function which receives two single digit positive integers, (k and m) as parameters and calculates the total sum as: k...

12 Monate vor

Gelöst

Convert from Base 10 to base 5
Convert the input number from base 10 into base 5: for example: if a(in base 10)= 5 then a(in base 5)= 10

12 Monate vor

Gelöst

Fast 1-D Convolution (full shape)
This is the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolution se...

12 Monate vor

Gelöst

Deriving a function using the difference quotient
Write a function that evaluates the derivative of a function in a given point using the well-know formula of the difference quot...

12 Monate vor

Gelöst

Find the right number make the equation
Given positive integer number n, find the right positive integer number a, b , so that (1) sqrt(a + n * b) is a positive inte...

12 Monate vor

Gelöst

Damping of Servomotors with Tachometer Feedback
In Control Engineering, servomotors with tachometer feedback can be modeled by the second order system K / [J*s^2 + (B + K*K...

12 Monate vor

Gelöst

Special matrix
Make a square matrix with this shape. For n=4 M = 1 1 0 0 1 0 1 0 0 1 0 ...

12 Monate vor

Gelöst

Derivative of polynomial
Compute the derivative of a given polynomial. The input is an <http://www.mathworks.com/help/matlab/math/representing-polynomial...

12 Monate vor

Gelöst

Cumulative product of a vector
Cumulative product of a vector example x=[1 2 5 10], then answer must be [ 1 2 10 100] *If you like this prob...

12 Monate vor

Gelöst

Evaluating a polynomial
Given the following polynomial and the value for x, determine y. y = 3x^5 – x^3 + 8x – 3 Example x = 1 y = 3 - 1 +...

12 Monate vor

Gelöst

length of a vector
Find twice the length of a given vector.

12 Monate vor

Gelöst

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...

12 Monate vor

Gelöst

Count ones
Write a program to count number of ones (1s) in an integer variable input. For example: Input x=2200112231 output y=3 I...

12 Monate vor

Gelöst

Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

12 Monate vor

Gelöst

Negative matrix
Change the sign of all elements in given matrix.

12 Monate vor

Gelöst

Square the input
Given a scalar or vector x, return the square of each element. Example x = [7 2] answer = [49 4]

12 Monate vor

Gelöst

How to calculate log?
There is a log that have base 5. How to calculate? log5(x)?

12 Monate vor

Gelöst

Convert yards to feet
The goal of this script is to convert a value given in yards to feet.

12 Monate vor

Gelöst

index of n^2 in magic(n)
input=5 magic matrix 17 24 1 8 15 23 5 7 14 16 4 6 13 20 22 10 ...

12 Monate vor

Gelöst

Wien's displacement law
Given the black body temperature (in *Celsius*), output the weavelength (in *meters*) at which the radiation peaks, according to...

12 Monate vor

Gelöst

Weighted average
Given two lists of numbers, determine the weighted average as follows Example [1 2 3] and [10 15 20] should result in 33.3...

12 Monate vor

Gelöst

Area of rhombus
Calculate the rhombus area

12 Monate vor

Gelöst

Do Fast Fourier Transformation
Example Fast Fourier Transformation from vector [2,1]) ans = 3 1

12 Monate vor