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VBBV


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398 total contributions since 2017

Programming in MATLAB applied to interdisciplinary engineering fields

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Solved


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

etwa 13 Stunden 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.

etwa 13 Stunden ago

Solved


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...

etwa 13 Stunden ago

Answered
How to draw line graph with same values in this bar graph?
clear x = [1 2 3 4 5 6 7]; temp_high = [149.1350 143.9020 19.1230 19.0350 11.8150 19.8610 11.6600]; w1 = 0.5; bar(x,temp_h...

etwa 14 Stunden ago | 0

| accepted

Solved


Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

etwa 15 Stunden ago

Solved


Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

etwa 15 Stunden ago

Solved


Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

etwa 16 Stunden ago

Solved


Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

etwa 17 Stunden ago

Solved


Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

etwa 17 Stunden ago

Answered
How to create a row vector upto a particular distance with the help of a variable?
B(((n-1)/3+1):(2*(n-1)/3)) = 8 ^ You have missing parenthesis

etwa 19 Stunden ago | 0

Answered
Undefined function or variable
You said another file of same format, probably the filename is different and doesnt exist in working folder

etwa 19 Stunden ago | 0

Solved


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

etwa 20 Stunden ago

Solved


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

etwa 20 Stunden ago

Answered
Error in 1st line of code
dx=zeros(2,1); there is no zeroes

etwa 20 Stunden ago | 0

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 = ...

etwa 20 Stunden 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]; ...

etwa 20 Stunden ago

Solved


Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

etwa 21 Stunden ago

Solved


Length of the hypotenuse
Given short sides of lengths a and b, calculate the length c of the hypotenuse of the right-angled triangle. <<https://i.imgu...

etwa 21 Stunden 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...

etwa 21 Stunden ago

Solved


Add two numbers
Given a and b, return the sum a+b in c.

etwa 24 Stunden ago

Solved


Return area of square
Side of square=input=a Area=output=b

etwa 24 Stunden ago

Solved


Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

etwa 24 Stunden 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...

etwa 24 Stunden ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

etwa 24 Stunden ago

Answered
Where am I going wrong in setting up this function?
X(l) = symsum( x(k)* exp(-(1i)*l*k*w), k, 0, N-1 ); use exp function

etwa 24 Stunden ago | 0

| accepted

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

ein Tag 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...

ein Tag ago

Answered
I keep getting "Array indices must be positive integers or logical values."
%true clearvars;clc x = .993 : 0.01 : 1.283; f = 7*x.^3 - 2*x.^2 + 7*x - 14; g = -19*x.^3 + 3*x.^2 + 16*x + 8; p...

ein Tag ago | 0

Answered
Using Help using filter function in Matlab
%true xi = HPFnew.*sin((omega.*t+phase)*pi/180) u = uhat +A*sin((omega*t+phase)*pi/180) Try the above. Also see the fi...

ein Tag ago | 0

| accepted

Answered
Not able to stop value of iterations
%if true function ... end Add a missing _end_ to close function

ein Tag ago | 0

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