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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]; and ...

6 years 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 ...

6 years ago

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...

6 years 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:...

6 years ago

Answered

What are the best free MATLAB resources for image processing?

You can find nice tutorials here: <https://au.mathworks.com/help/images/getting-started-with-image-processing-toolbox.html>

What are the best free MATLAB resources for image processing?

You can find nice tutorials here: <https://au.mathworks.com/help/images/getting-started-with-image-processing-toolbox.html>

6 years ago | 0

Answered

Help needed to decrease computational time by removing for loops

By the way, if you want to check the speed, just write: tic // code fragment for either for loop of vectoriaed version. ...

Help needed to decrease computational time by removing for loops

By the way, if you want to check the speed, just write: tic // code fragment for either for loop of vectoriaed version. ...

6 years ago | 0

Answered

Help needed to decrease computational time by removing for loops

You can use the concept of vectorization. Here is an example: With for loop: for k = 1 : 10 a(k) = k ^ 2; end ...

Help needed to decrease computational time by removing for loops

You can use the concept of vectorization. Here is an example: With for loop: for k = 1 : 10 a(k) = k ^ 2; end ...

6 years ago | 0

Answered

I am not sure about the declaration of 4 variables..

In Matlab, you do not declare a variable. However, if you ask how to initialise four variables, here is the code: var1 = 0 ...

I am not sure about the declaration of 4 variables..

In Matlab, you do not declare a variable. However, if you ask how to initialise four variables, here is the code: var1 = 0 ...

6 years ago | 0

Answered

How to compare tables/cells/characters?

Does the following help? tf = strcmp(s1,s2) compares s1 and s2 and returns 1 (true) if the two are identical and 0 (false) ot...

How to compare tables/cells/characters?

Does the following help? tf = strcmp(s1,s2) compares s1 and s2 and returns 1 (true) if the two are identical and 0 (false) ot...

6 years ago | 0

Answered

Plotting a 3D graph, incorrect solution.

The problem is that after exiting the for loops, x and y are both equal to 100. So, they are scalars and cannot be used in surf....

Plotting a 3D graph, incorrect solution.

The problem is that after exiting the for loops, x and y are both equal to 100. So, they are scalars and cannot be used in surf....

6 years ago | 0

| accepted

Answered

xlswrite too large imput

I had the same issue and managed to fix it. I was trying to create a file that did not exist in the path. So, I created the file...

xlswrite too large imput

I had the same issue and managed to fix it. I was trying to create a file that did not exist in the path. So, I created the file...

6 years ago | 1

Answered

I can not create a matrix

Please note that curly brace ({i}) makes a cell array and not a matrix. You have to use square brackets instead: [] So: ...

I can not create a matrix

Please note that curly brace ({i}) makes a cell array and not a matrix. You have to use square brackets instead: [] So: ...

7 years ago | 0

Answered

I need help writing a program to pick the largest number in a list

Try this: my_max = -inf; for k=1:length(y) % y is your array if my_max < y(k) my_max = y(k); end ...

I need help writing a program to pick the largest number in a list

Try this: my_max = -inf; for k=1:length(y) % y is your array if my_max < y(k) my_max = y(k); end ...

7 years ago | 0

| accepted

Answered

how to plot multiple 3d functions in one graph for x=0,z=0,x=2y,x+2y+z=2

Generally speaking, Matlab overwrites a plot when you draw something. If you with to draw multiple things, try to freeze the plo...

how to plot multiple 3d functions in one graph for x=0,z=0,x=2y,x+2y+z=2

Generally speaking, Matlab overwrites a plot when you draw something. If you with to draw multiple things, try to freeze the plo...

7 years ago | 0

| accepted