Answered

computing vectors with string and numbers (easy question)

Here is code that keeps the indexing scheme based upon the order in which the names occur in your vector of strings. >> S = ["H...

computing vectors with string and numbers (easy question)

Here is code that keeps the indexing scheme based upon the order in which the names occur in your vector of strings. >> S = ["H...

9 månader ago | 1

| accepted

Answered

computing vectors with string and numbers (easy question)

>> S = ["joe" "april" "andrea" "joe" "andrea"] S = 1×5 string array "joe" "april" "andrea" "joe" "andrea" ...

computing vectors with string and numbers (easy question)

>> S = ["joe" "april" "andrea" "joe" "andrea"] S = 1×5 string array "joe" "april" "andrea" "joe" "andrea" ...

9 månader ago | 0

Answered

Simulating a drone and bird as radar targets

Sounds like a good project. Personally, I would take a movie of a bird and a drone, and then try to reconstruct a 3D polygon of ...

Simulating a drone and bird as radar targets

Sounds like a good project. Personally, I would take a movie of a bird and a drone, and then try to reconstruct a 3D polygon of ...

9 månader ago | 0

Answered

How to generate a list of random ID which can later be used instead of participant name?

Due to the cyclist remark about homework, I am just starting the script. It leaves out certain patterns like 'a9a9' since it is ...

How to generate a list of random ID which can later be used instead of participant name?

Due to the cyclist remark about homework, I am just starting the script. It leaves out certain patterns like 'a9a9' since it is ...

9 månader ago | 0

| accepted

Answered

Syntax Question, Why does this equal zero?

Good question. :) >> 1 - 7*( sym(8/7) - 1 ) ans = 0 % you are right; the answer is 0 For double numbers, look at the format...

Syntax Question, Why does this equal zero?

Good question. :) >> 1 - 7*( sym(8/7) - 1 ) ans = 0 % you are right; the answer is 0 For double numbers, look at the format...

9 månader ago | 1

Answered

Forcing Page Breaks in MATLAB

The official 2016 answer is here, and no discernible updates since 2016. It would be great if MathWorks would add that to Live E...

Forcing Page Breaks in MATLAB

The official 2016 answer is here, and no discernible updates since 2016. It would be great if MathWorks would add that to Live E...

9 månader ago | 0

Answered

how to get the mean for specific rows number of one columns

M = [ ... 1 5 2 7 3 9 1 9 2 7 3 9 ]; T = array2table( M, ... 'VariableNames',{'Month','...

how to get the mean for specific rows number of one columns

M = [ ... 1 5 2 7 3 9 1 9 2 7 3 9 ]; T = array2table( M, ... 'VariableNames',{'Month','...

10 månader ago | 0

| accepted

Answered

Vector. Change the way my program gives me the answer.

v = [1 2 -3 4]; v( diff( sign( [v(1) v] ) ) ~= 0 ) ans = -3 4

Vector. Change the way my program gives me the answer.

v = [1 2 -3 4]; v( diff( sign( [v(1) v] ) ) ~= 0 ) ans = -3 4

10 månader ago | 1

Answered

Vector. Change the way my program gives me the answer.

v = [1 2 -3 4]; n = 1; l = length (v); ii = 1; c = []; while (n < l) a = v(n); b = v(n+1); n = n+1; % if (a <...

Vector. Change the way my program gives me the answer.

v = [1 2 -3 4]; n = 1; l = length (v); ii = 1; c = []; while (n < l) a = v(n); b = v(n+1); n = n+1; % if (a <...

10 månader ago | 1

Answered

Group data in bins

Hope this is close to what you are looking for. EDGES' ans = 0 0.5000 1.0000 1.5000 2.0000 ...

Group data in bins

Hope this is close to what you are looking for. EDGES' ans = 0 0.5000 1.0000 1.5000 2.0000 ...

10 månader ago | 0

Answered

How to solve matrix function in Matlab?

Define Z = AXB + C - X You have to start off with your initial best guess for X based upon the nature of the model. For lack of...

How to solve matrix function in Matlab?

Define Z = AXB + C - X You have to start off with your initial best guess for X based upon the nature of the model. For lack of...

10 månader ago | 1

Answered

Creating blocks of average values from a series but avoiding dynamic variable names

Since you have 5 groups of 100 numbers, I thought you wanted the mean of each group. That gives 5 means. So I did not understand...

Creating blocks of average values from a series but avoiding dynamic variable names

Since you have 5 groups of 100 numbers, I thought you wanted the mean of each group. That gives 5 means. So I did not understand...

10 månader ago | 1

| accepted

Answered

plot discrete time domain signals

I recommend using following substitutions: plot(t,y) axis( [-1 10 0 1])

plot discrete time domain signals

I recommend using following substitutions: plot(t,y) axis( [-1 10 0 1])

10 månader ago | 0

| accepted

Solved

Longest run of consecutive numbers

Given a vector a, find the number(s) that is/are repeated consecutively most often. For example, if you have a = [1 2 2 2 1 ...

10 månader ago

Answered

Imbedded If statement in Function help!

Did you know that >> logical(1) + logical(1) ans = 2 and that (age>50) is a logical?

Imbedded If statement in Function help!

Did you know that >> logical(1) + logical(1) ans = 2 and that (age>50) is a logical?

10 månader ago | 1

Answered

In Online Matlab under App menu, Signal Analyzer not working?

The Signal Analyzer app comes with a purchase of the Signal Processing Toolbox. Please review this short video: Signal Analysi...

In Online Matlab under App menu, Signal Analyzer not working?

The Signal Analyzer app comes with a purchase of the Signal Processing Toolbox. Please review this short video: Signal Analysi...

10 månader ago | 0

| accepted

Answered

Computer to boost MATLAB operation

As @Jan pointed out, it is very important that you run your profiler to find out where your time is being spent and focus on tho...

Computer to boost MATLAB operation

As @Jan pointed out, it is very important that you run your profiler to find out where your time is being spent and focus on tho...

10 månader ago | 2

| accepted

Answered

Parfor nested loop Table definition

>> can I at least parallelise the writing of the 4 xlsx tables to speed up the code I do not see how to do that easily without ...

Parfor nested loop Table definition

>> can I at least parallelise the writing of the 4 xlsx tables to speed up the code I do not see how to do that easily without ...

10 månader ago | 1

| accepted

Answered

How to obtain the first and second derivative of the "xt" function

You can use diff function as a crude way to take derivates. But, you should also know that diff introduces noise. Here is an art...

How to obtain the first and second derivative of the "xt" function

You can use diff function as a crude way to take derivates. But, you should also know that diff introduces noise. Here is an art...

10 månader ago | 0

| accepted

Answered

Computer to boost MATLAB operation

Where is your time being spent - in the nested loop, or in the last loop that is outside the nested loop? If, by "last loop", y...

Computer to boost MATLAB operation

Where is your time being spent - in the nested loop, or in the last loop that is outside the nested loop? If, by "last loop", y...

10 månader ago | 0

Answered

Giving a moving point a chance to change path every step?

You should just run the script directly. You should not try to call selectPath from the command line.

Giving a moving point a chance to change path every step?

You should just run the script directly. You should not try to call selectPath from the command line.

10 månader ago | 1

Answered

Giving a moving point a chance to change path every step?

Not sure exactly what you want, but possibly this is getting close. The refactoring should make it easier to modify. % set rand...

Giving a moving point a chance to change path every step?

Not sure exactly what you want, but possibly this is getting close. The refactoring should make it easier to modify. % set rand...

10 månader ago | 1

| accepted

Answered

Handling data cell array

Yes, regex is elegant. Here is a non-regex script. This algorithm allows the x,y,z to be in any order in each row of A. A = {'...

Handling data cell array

Yes, regex is elegant. Here is a non-regex script. This algorithm allows the x,y,z to be in any order in each row of A. A = {'...

10 månader ago | 1

Answered

Matlab row subtraction of matrix

On the other hand, maybe you want to subtract row 2 from all the rows. In that case, you can do this. >> A A = 1 2 ...

Matlab row subtraction of matrix

On the other hand, maybe you want to subtract row 2 from all the rows. In that case, you can do this. >> A A = 1 2 ...

10 månader ago | 0

| accepted

Answered

Matlab row subtraction of matrix

I am taking a guess as to what you want. Would be nice if you gave a simple matrix, A, and showed the desired result. But here i...

Matlab row subtraction of matrix

I am taking a guess as to what you want. Would be nice if you gave a simple matrix, A, and showed the desired result. But here i...

10 månader ago | 0

Answered

Relation of Elements of matrix

B = 3; [r, ~] = ind2sub( size(A), find(A==B) ); z = A(sort(r),:); zu = unique(z(:))'

Relation of Elements of matrix

B = 3; [r, ~] = ind2sub( size(A), find(A==B) ); z = A(sort(r),:); zu = unique(z(:))'

10 månader ago | 0

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...

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...

11 månader ago | 0

Answered

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 ...

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 ...

11 månader ago | 0

Solved

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 ...

11 månader ago

Solved

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....

11 månader ago