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Chamira Wickramasinghe


Wolverhampton

Active since 2015

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How to extract a row from a transpose of a matrix
Hi, Say I do have a matrix M=[1 2; 3 4; 5 6] And say that I want to extract the first row from the transpose of the M matr...

meer dan 6 jaar ago | 1 answer | 0

1

answer

Question


Is quaternion multiplication associative?
Hi, I know that quaternions hold associative property, which is A.(B.C) = (A.B).C But, have a look at the code below ...

meer dan 6 jaar ago | 1 answer | 0

1

answer

Answered
How to multiply quaternions with symbols
I found the answer. If anyone having the same issue, when specifying the symbol instead of typing just, t=sym('t'); Mus...

meer dan 6 jaar ago | 2

Question


How to multiply quaternions with symbols
Hi, I'm trying to multiply two quaternions with 'quatmultiply'. But one quaternion contains symbols. So matlab gives an er...

meer dan 6 jaar ago | 1 answer | 0

1

answer

Question


How to combine two row matrixes into one 'n X m' matrix
Hi, I have two 1x3 row matrixes such as A=[a1,a2,a3] and B=[b1,b2,b3] And I want to combine those two A and B matrixes...

bijna 7 jaar ago | 1 answer | 0

1

answer

Question


How to get the matrix with maximum(or minimum) number of elements
Hi, Suppose there are 3 matrixes A,B & C with sizes of [1 5],[1 8] and [1 9] respectively. Is it possible to find the matr...

ongeveer 8 jaar ago | 2 answers | 0

2

answers

Question


How to generate a 256 point sine wave of frequency 1Hz
Hi all, Please help me to generate a *256 point sine wave of frequency 1Hz sampled at a frequency of 50Hz.* And I need to *pl...

ongeveer 8 jaar ago | 0 answers | 0

0

answers

Question


In an assignment A(I) = B, the number of elements in B and I must be the same
whenever i execute following code it gives an error "In an assignment A(I) = B, the number of elements in B and I must be the s...

ongeveer 8 jaar ago | 1 answer | 0

1

answer

Question


How to mix Chirp and Gong signals in matlab
Hi everyone, I'm wondering about how to mix 'chirp.mat' and 'gong.mat' sample audio files that come with matlab. Thanks in...

ongeveer 8 jaar ago | 1 answer | 0

1

answer

Question


Why the magnitudes values in magnitude spectrum are different even though the amplitudes of the signals are same
Here I have a combined sinusoid(y). It's a combination of two sinusoids one with 7Hz(x1) and one with 40Hz(X2), Amplitudes of b...

bijna 9 jaar ago | 0 answers | 0

0

answers

Question


How to find the index of the first minimum element
Hello, I have a 1X6 matrix. y = [682.8333 399.8160 34.2270 46.1800 107.7035 ]; I wanna find the first minimum el...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


How to find which element is the lowest first or second or third or ....
There is a 1X1 matrix. I wanna find which element is the MINIMUM not the minimum value but the number of the particular eleme...

ongeveer 9 jaar ago | 1 answer | 0

1

answer

Question


Ho w to find the first minimum element in a row
Here i have a 1X6 matrix y = 682.8333 399.8160 34.2270 46.1800 107.7035 21.5367 what i wanna do is to find th...

ongeveer 9 jaar ago | 2 answers | 0

2

answers

Question


How to stimulate an FM modulator?
For an assignment I've got to stimulate an FM modulator I did that part But I need help to find the "MINIMUM MODULATOR INDEX W...

ongeveer 9 jaar ago | 0 answers | 0

0

answers