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Eranja Noopehewa


Last seen: 1 month ago |  Active since 2018

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Delete rows from a matrix
Hi, I want to delete 1:5 and 10:15 rows from a given 15*1 matrix. How can I do this ?

4 years ago | 1 answer | 0

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Question


when plotting something the plot becomes messy
x = 0:pi/100:2*pi; y = sin(x); plot(x,y) when i try to plot someting on matlab i always get messy plots. For an example i hav...

4 years ago | 0 answers | 0

0

answers

Question


plot a line graph with HH:MM:SS in X-axis
I have imported excel data to matlab and i need to plot a line graph where my x axis is date and time in HH:MM:SS and Y axis is ...

4 years ago | 1 answer | 0

1

answer

Question


Finding the index of a matrix corresponding to a particular column of another matrix
I have two matrices like, A= [4 12 ; 2 6] and B = [9 4 8 12 ; 2 2 4 6] I want get the relevant index of B corresponding to ...

6 years ago | 3 answers | 0

3

answers

Question


How to find the second closest value to a specific value from a given matrix
I have got a 18*12*6 matrix. From this matrix i want to find out the second closest value to 1.

6 years ago | 1 answer | 0

1

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Question


How to find the value closest to 1 from a x*y*z double matrix ?
I have to find the values for k according to the following code. When I execute the following code I get a 18x12x6 double to k. ...

6 years ago | 1 answer | 0

1

answer

Question


Iterate from mid way
I have got 8 random values from 100 to 1000 and i generate that for thousand iterations. For an example i=1:1000 Now i want to...

6 years ago | 0 answers | 0

0

answers

Question


Create the same number repeatedly in a single array.
I want to create a matrix of size 1*12 where i have 300 300 300 300 300 300 600 600 600 600 600 600 my array shoul look like X=[...

6 years ago | 1 answer | 1

1

answer

Question


Replace the values of a matrix by another values.
i have a 3*3 matrix like [750 360 500 ; 550 520 780 ; 150 350 270] I want to replace these values in the matrix by comparing eac...

6 years ago | 2 answers | 0

2

answers

Question


take three matrices into a single matrix
i have three matrix each of size 1*100 how can i take it to a single matrix of 3*100

6 years ago | 2 answers | 0

2

answers

Question


convert a 1*16 matrix to a 2*8 matrix
I have a matrix of size 1*16 like [1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16] i want to convert it to a 2*8 matrix like [1 2 3 4 5 ...

6 years ago | 2 answers | 0

2

answers

Question


In the following code if the condition is met i want to remove those two respective elements from the array 'New'. But i get an error saying 'Index exceeds matrix dimensions'.
New = [800,750,740,700,500,300]; radius=50; for k=1:111 for i=1:length(New) for j= (i+1):length(New) d(i,j)= s...

6 years ago | 1 answer | 0

1

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