Programming in MATLAB applied to interdisciplinary engineering fields

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Nested for loop Please help!

clear n = 10; x = 1; xx = zeros(10,10); for i = 1:n xx(i,:) = x+1:n+x; x = x+1; end xx >> xx = 2 ...

Nested for loop Please help!

clear n = 10; x = 1; xx = zeros(10,10); for i = 1:n xx(i,:) = x+1:n+x; x = x+1; end xx >> xx = 2 ...

3 hours ago | 0

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.

17 hours ago

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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.

17 hours ago

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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...

17 hours 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...

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...

18 hours ago | 0

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Solved

Solve a System of Linear Equations

*Example*: If a system of linear equations in _x₁_ and _x₂_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

19 hours 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...

19 hours ago

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Calculate BMI

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

20 hours ago

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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| ...

21 hours ago

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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...

21 hours 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

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

23 hours 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

Undefined function or variable

You said another file of same format, probably the filename is different and doesnt exist in working folder

23 hours 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...

24 hours ago

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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....

24 hours 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 = ...

1 day ago

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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]; ...

1 day ago

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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]

1 day ago

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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...

1 day ago

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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...

1 day ago

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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.

1 day ago

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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...

1 day ago

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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 ...

1 day 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

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

1 day ago | 0

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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...

1 day 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...

1 day 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...

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...

1 day 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...

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...

1 day ago | 0

| accepted