Paul Hoffrichter

Last seen: 2 dagar ago

63 total contributions since 2020

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Answered
Matrix dimensions must agree.
As Jon pointed out, you can subtract two matrices if they are "the same size (same number of rows and columns)" It is also poss...

4 dagar ago | 0

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how do u make a new value that is the sum of two columns
A = [1 2 ;3 4; 5 6 ;7 8; 9 10; 11 12; 13 14; 15 16] A = 1 2 3 4 5 6 7 8 9 10 ...

5 dagar ago | 0

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Find common elements in matrix rows
Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

23 dagar 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....

23 dagar ago

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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

26 dagar ago

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Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

26 dagar ago

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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

26 dagar 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 = ...

26 dagar 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]; ...

26 dagar 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]

26 dagar 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...

26 dagar 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...

26 dagar 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.

26 dagar ago

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

26 dagar ago

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Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

26 dagar ago

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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...

26 dagar ago

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

26 dagar 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 ...

26 dagar ago

Solved

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

26 dagar 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...

26 dagar ago

Solved

Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

26 dagar ago

Answered
Making an array using loop
Change ORIGINAL_POST to false to get slightly different result. clearvars; clc; % remove previous debug runs lenA = 60; % as...

26 dagar ago | 0

Answered
Reading the matrix elements row wise
If you do not want to take the transpose of the A matrix, you can work with the subscripts instead. A = [1 2 3; 4 5 6]; sz = s...

27 dagar ago | 1

| accepted

Answered
Getting two outputs when using function with implemented if statement
In your acuteAngle function, there is a disp() line which gives you the first output. The calling routine disp(acuteAngle() give...

27 dagar ago | 1

| accepted

Answered
how to mute the signal at a certain time
This will remove all the leading zeros of a Sig vector: Sig = Sig(find(Sig,1,'first'):end);

27 dagar ago | 1

Answered
Reading the matrix elements row wise
A = [1 2 3; 4 5 6]; Atr = transpose(A); Atr(1:6) ans = 1 2 3 4 5 6

27 dagar ago | 1

Answered
Plotting and finding the intersection of 2 curves
If you have two vectors, x1, y1 that form the curve (x1, y1), and likewise, another curve (x2, y2), then you can get the interse...

ungefär en månad ago | 0

Answered
Is it possible to have two indices in a for loop?
>> Is it possible to have 2 indices in the same for loop? (i and k). In your i- and k-loops, you are considering every combinat...

ungefär en månad ago | 0

Answered
Is it possible to have two indices in a for loop?
Jan's solution appears to not provide all combinations of (i,k) for the 2D array, AEMGstructHR. So I do not see how that constru...

ungefär en månad ago | 0

Answered
Frequency and Phase response of an IIR system whose system function is given H(z)
Here is an example to plot the magnitude and phase frequency response >> b = [0.0563 -0.0009 -0.0009 0.0563]; >> a = [1...

ungefär en månad ago | 0