Answered

Calculation from user input with blank cells

The answer depends on how you would calculate the ratio |Mo| for fewer gears. If, say, the user omits Gear 3, do you want to sim...

Calculation from user input with blank cells

The answer depends on how you would calculate the ratio |Mo| for fewer gears. If, say, the user omits Gear 3, do you want to sim...

7 years ago | 0

Answered

how to find the minimum value based on two independent value

I'm going to assume you're really trying to minimize a function of two variables and show how you can explore it to get some ins...

how to find the minimum value based on two independent value

I'm going to assume you're really trying to minimize a function of two variables and show how you can explore it to get some ins...

7 years ago | 0

Answered

Issue finding numerical error (problem with MATLAB's precision?)

That pesky MATLAB - getting more accurate all the time! Here is an example that I got from the blog article <http://matlabgeeks....

Issue finding numerical error (problem with MATLAB's precision?)

That pesky MATLAB - getting more accurate all the time! Here is an example that I got from the blog article <http://matlabgeeks....

7 years ago | 0

Answered

Add folders and subfolders to projrct through script

See <http://www.mathworks.com/help/matlab/ref/mkdir.html mkdir>.

Add folders and subfolders to projrct through script

See <http://www.mathworks.com/help/matlab/ref/mkdir.html mkdir>.

7 years ago | 0

Answered

Accessing Cell Array elements

I'm not sure I understand all the details of what you are trying to do, but I can show you with an example how to modify the sec...

Accessing Cell Array elements

I'm not sure I understand all the details of what you are trying to do, but I can show you with an example how to modify the sec...

7 years ago | 0

| accepted

Answered

symbolic cubic polynomial solver

I ran the same code and got 3 solutions: syms x a xsols = solve(x^3+x^2-x+a,'real',true); size(xsols) ans = ...

symbolic cubic polynomial solver

I ran the same code and got 3 solutions: syms x a xsols = solve(x^3+x^2-x+a,'real',true); size(xsols) ans = ...

7 years ago | 0

Answered

what is the equivalent matlab function for the operator || || ?

You're probably referring to the <https://en.wikipedia.org/wiki/Matrix_norm matrix norm>, which is a generalization of the idea ...

what is the equivalent matlab function for the operator || || ?

You're probably referring to the <https://en.wikipedia.org/wiki/Matrix_norm matrix norm>, which is a generalization of the idea ...

7 years ago | 0

| accepted

Answered

Subscripts in MATLAB Legends

I'm beginning to think you should submit a bug report. However, maybe you'll get more consistent results with h=legend('$e_...

Subscripts in MATLAB Legends

I'm beginning to think you should submit a bug report. However, maybe you'll get more consistent results with h=legend('$e_...

7 years ago | 1

| accepted

Answered

How is it possible that matlab solves two simultaneous equations which have relation to each other? I am very new with matlab and can not get it done. I want to solve several equations with the euler method bot always get errors.

You could just write Pg = 1; but a better way, since you know how large the vector will be, is to preallocate the memor...

How is it possible that matlab solves two simultaneous equations which have relation to each other? I am very new with matlab and can not get it done. I want to solve several equations with the euler method bot always get errors.

You could just write Pg = 1; but a better way, since you know how large the vector will be, is to preallocate the memor...

7 years ago | 0

| accepted

Answered

How Can I establish a raking scale of variables within an array?

Your ranking scheme is somewhat unusual because usually the ranking does not have any gaps in it. That would be easy to implemen...

How Can I establish a raking scale of variables within an array?

Your ranking scheme is somewhat unusual because usually the ranking does not have any gaps in it. That would be easy to implemen...

7 years ago | 0

| accepted

Answered

Matrices with Polynomial Entries functions

Maria, is the matrix inverse your goal, or are you using it for some other purpose? A common mistake is to solve a linear equati...

Matrices with Polynomial Entries functions

Maria, is the matrix inverse your goal, or are you using it for some other purpose? A common mistake is to solve a linear equati...

7 years ago | 0

Answered

Use dynamic "offset" in a for-loop

It would be better to use a |while| loop to increment |t| directly: t = window; while t < numel(m) % increment t ...

Use dynamic "offset" in a for-loop

It would be better to use a |while| loop to increment |t| directly: t = window; while t < numel(m) % increment t ...

7 years ago | 0

| accepted

Answered

Stop permanently execution of codes under a Callback using another Callback

Reena, have a look at <http://www.mathworks.com/matlabcentral/answers/101649-how-can-i-interrupt-a-callback-and-not-come-back-to...

Stop permanently execution of codes under a Callback using another Callback

Reena, have a look at <http://www.mathworks.com/matlabcentral/answers/101649-how-can-i-interrupt-a-callback-and-not-come-back-to...

7 years ago | 0

| accepted

Answered

Extract certain rows from matrix

Assuming you read the other data file into |another_matrix|, the answer is extracted_data = another_matrix(loc); I sugge...

Extract certain rows from matrix

Assuming you read the other data file into |another_matrix|, the answer is extracted_data = another_matrix(loc); I sugge...

7 years ago | 0

| accepted

Answered

How can I plot using a string in MATLAB?

It's not necessary to have all those conditional statements. Just use indexing: function plotting_fcn(idx) % Note: idx cou...

How can I plot using a string in MATLAB?

It's not necessary to have all those conditional statements. Just use indexing: function plotting_fcn(idx) % Note: idx cou...

7 years ago | 1

Answered

Is it possible to solve a pair of two equations for four unknowns

Since the answer is not unique, just pick x=y=1 and solve the linear equation to get A and B: [12.12 2.35; 8.55 6.44]\[6.20...

Is it possible to solve a pair of two equations for four unknowns

Since the answer is not unique, just pick x=y=1 and solve the linear equation to get A and B: [12.12 2.35; 8.55 6.44]\[6.20...

7 years ago | 0

Answered

Amplitude adjustment on integral

Just calculate the integral (see <http://www.mathworks.com/help/matlab/ref/integral.html integral>), say q = integral(fun,x...

Amplitude adjustment on integral

Just calculate the integral (see <http://www.mathworks.com/help/matlab/ref/integral.html integral>), say q = integral(fun,x...

7 years ago | 0

| accepted

Answered

LaTeX interpreter on a legend

You could try setting the interpreter to LaTeX: legend(ar, 'Location','best','Interpreter','latex') For this to work...

LaTeX interpreter on a legend

You could try setting the interpreter to LaTeX: legend(ar, 'Location','best','Interpreter','latex') For this to work...

7 years ago | 1

Answered

Index out of bounds

The variable name |filename| is probably |char|, not numeric. Suppose you define filename = '12'; Then if you view the s...

Index out of bounds

The variable name |filename| is probably |char|, not numeric. Suppose you define filename = '12'; Then if you view the s...

7 years ago | 1

| accepted

Answered

inflection point on sum of sinusoids

If you define a vector A = [A1 A2 ... An], and analogous vectors |w| and |p|, then in MATLAB y = sum(A.*sin(w*t+p)); and...

inflection point on sum of sinusoids

If you define a vector A = [A1 A2 ... An], and analogous vectors |w| and |p|, then in MATLAB y = sum(A.*sin(w*t+p)); and...

7 years ago | 1

| accepted

Answered

using ODE45 with condition

You can use <http://www.mathworks.com/help/matlab/math/ordinary-differential-equations.html#f1-669698 event location> to run |od...

using ODE45 with condition

You can use <http://www.mathworks.com/help/matlab/math/ordinary-differential-equations.html#f1-669698 event location> to run |od...

7 years ago | 1

Answered

I have a for loop that makes one particle take 1000 random steps. How do i make this happen for 1000 particles?

This is a 2D random walk, and it helps to use variable names that reflect this. It is more efficient to generate a lot of random...

I have a for loop that makes one particle take 1000 random steps. How do i make this happen for 1000 particles?

This is a 2D random walk, and it helps to use variable names that reflect this. It is more efficient to generate a lot of random...

7 years ago | 0

Answered

How to generate pn-sequence in matlab?

You might not have to reinvent the wheel. If you have the Communications Toolbox, you could use <http://www.mathworks.com/help/c...

How to generate pn-sequence in matlab?

You might not have to reinvent the wheel. If you have the Communications Toolbox, you could use <http://www.mathworks.com/help/c...

8 years ago | 0

| accepted

Answered

covariance of 3 D matrix

Probably what you need is in this discussion of <http://www.mathworks.com/help/mbc/mbccommandline/covariance.html covariance>.

covariance of 3 D matrix

Probably what you need is in this discussion of <http://www.mathworks.com/help/mbc/mbccommandline/covariance.html covariance>.

8 years ago | 1

| accepted

Answered

For loop of distance equation returning a confusing output

When something is going wrong, it's a good idea to look at the intermediate results. You could use the <http://www.mathworks.com...

For loop of distance equation returning a confusing output

When something is going wrong, it's a good idea to look at the intermediate results. You could use the <http://www.mathworks.com...

8 years ago | 1

| accepted

Answered

Attempt to reference field of non-structure array.

Suppose we start with the example from your link: array = [12 1 10 2 7 11 4 14 5 0 9 15 8 13 6 3]; To eliminate the zero...

Attempt to reference field of non-structure array.

Suppose we start with the example from your link: array = [12 1 10 2 7 11 4 14 5 0 9 15 8 13 6 3]; To eliminate the zero...

8 years ago | 0

| accepted

Answered

Implicit system not working

Guillaume, sorry that it has taken so long for someone to respond. If your goal is to find beta and theta for each value of ...

Implicit system not working

Guillaume, sorry that it has taken so long for someone to respond. If your goal is to find beta and theta for each value of ...

8 years ago | 0

Answered

Indexing error in function code.

You'll get the same error with this code snippet: h = logical([1 0]); B(2*h) or, for that matter, just B(0) T...

Indexing error in function code.

You'll get the same error with this code snippet: h = logical([1 0]); B(2*h) or, for that matter, just B(0) T...

8 years ago | 1

Answered

Solving 4 equations and 4 unknowns - help please

I think that you are misinterpreting the theta-beta-M equation. It does not involve initial and final conditions because the bou...

Solving 4 equations and 4 unknowns - help please

I think that you are misinterpreting the theta-beta-M equation. It does not involve initial and final conditions because the bou...

8 years ago | 0

Answered

Help me solve this non-linear equation.

Before using MATLAB, you should think about the math. Suppose that |y = x(1)*x(2)|. You are trying to solve sin(y) = 0 cos...

Help me solve this non-linear equation.

Before using MATLAB, you should think about the math. Suppose that |y = x(1)*x(2)|. You are trying to solve sin(y) = 0 cos...

8 years ago | 2

| accepted