Answered

How to plot dendrogram and stars for pair-wise significance levels in anova?

Something like this? load carbig X = [MPG Acceleration Weight Displacement]; [d,p,stats] = manova1(X,Origin); mano...

How to plot dendrogram and stars for pair-wise significance levels in anova?

Something like this? load carbig X = [MPG Acceleration Weight Displacement]; [d,p,stats] = manova1(X,Origin); mano...

5 years ago | 0

Answered

create structure variable within loop using strings??

for dive = 1:10 for n = 1:3 data_split(dive).( ['n',num2str(n)]).('var')=var end end ...

create structure variable within loop using strings??

for dive = 1:10 for n = 1:3 data_split(dive).( ['n',num2str(n)]).('var')=var end end ...

5 years ago | 1

| accepted

Answered

Is A./B different from B.\A?

Both are pointwise, but A./B divides every element in A by the same element in B. A.\B divides every element in B by the same e...

Is A./B different from B.\A?

Both are pointwise, but A./B divides every element in A by the same element in B. A.\B divides every element in B by the same e...

5 years ago | 0

Answered

How to make long title for a plot with automatic line breaks?

Multiline can be done using this syntax: figure; str=['Line1', '\n', 'Line2']; s=sprintf('Hello\nGoodbye'); t...

How to make long title for a plot with automatic line breaks?

Multiline can be done using this syntax: figure; str=['Line1', '\n', 'Line2']; s=sprintf('Hello\nGoodbye'); t...

5 years ago | 0

Answered

Matlab Newton-Raphson Solver - Catenary Problem

This is not the place to get a full solution for your homework. Here you are a few links to start your part: <http://es.mathw...

Matlab Newton-Raphson Solver - Catenary Problem

This is not the place to get a full solution for your homework. Here you are a few links to start your part: <http://es.mathw...

6 years ago | 0

Answered

Remove "( )" from string words

You should use regexprep to replace anything that matches with parenthesis with an empty string; the pattern that matches any pa...

Remove "( )" from string words

You should use regexprep to replace anything that matches with parenthesis with an empty string; the pattern that matches any pa...

6 years ago | 0

Answered

How to download audio (vocab) files from Dictionary.com?

Read this help link: <http://www.mathworks.es/es/help/matlab/import_export/downloading-web-content-and-files.html Download Web ...

How to download audio (vocab) files from Dictionary.com?

Read this help link: <http://www.mathworks.es/es/help/matlab/import_export/downloading-web-content-and-files.html Download Web ...

6 years ago | 0

Answered

Integration numerical with variable limits

There is a general solution using symbolic tools. syms x y fxy=1./x+1./y; xmin=0; xmax=2*y; ymin=0; ymax=+in...

Integration numerical with variable limits

There is a general solution using symbolic tools. syms x y fxy=1./x+1./y; xmin=0; xmax=2*y; ymin=0; ymax=+in...

6 years ago | 1

Answered

finding minimum in a region

Hello: fminsearch solve unconstrained minimum problems only. If you need to impose restrictions you should use (for example)...

finding minimum in a region

Hello: fminsearch solve unconstrained minimum problems only. If you need to impose restrictions you should use (for example)...

6 years ago | 0

Answered

Is it possible to call on specific stimuli in a set and randomize it based on it's name.

You can do that using Regular expressions (so you can choose which files has the desired attribute) and the command dir so you c...

Is it possible to call on specific stimuli in a set and randomize it based on it's name.

You can do that using Regular expressions (so you can choose which files has the desired attribute) and the command dir so you c...

6 years ago | 0

Answered

Sending DOS command to execute Matlab Function and getting the output back to DOS

You have the command 'dos' so u can interpret some DOS command line, and catch the result of it. I extracted a few lines in the...

Sending DOS command to execute Matlab Function and getting the output back to DOS

You have the command 'dos' so u can interpret some DOS command line, and catch the result of it. I extracted a few lines in the...

6 years ago | 1

Answered

Why am i getting an Inf value when i am calculating definite integral in symbolic math toolbox?

Your problem is that you are trying to integrate a function say F(y)=(Y-y)^2, but using t as integration variable. That means th...

Why am i getting an Inf value when i am calculating definite integral in symbolic math toolbox?

Your problem is that you are trying to integrate a function say F(y)=(Y-y)^2, but using t as integration variable. That means th...

6 years ago | 0

Answered

comparing vectors for max and min

Functions max and min do the trick: a=randi(9,1,10) b=randi(9,1,10) vect_max = max(a,b) vect_min = min(a,b)

comparing vectors for max and min

Functions max and min do the trick: a=randi(9,1,10) b=randi(9,1,10) vect_max = max(a,b) vect_min = min(a,b)

6 years ago | 1

| accepted

Answered

Help with a System of linear inequalities (with 12 variables)

There is a simple way to solve the linear system of equalities, instead of using inequalities. You are trying to solve what is c...

Help with a System of linear inequalities (with 12 variables)

There is a simple way to solve the linear system of equalities, instead of using inequalities. You are trying to solve what is c...

6 years ago | 0

Answered

How to solve this equation S= integrate((1-2*x).^2)./((x-x.^2).^2)) dt

This is how you should try: syms x f=((1-2*x).^2)/( (x-x.^2).^2 ) int(f) ans = 2*log(x - 1) - 2*log...

How to solve this equation S= integrate((1-2*x).^2)./((x-x.^2).^2)) dt

This is how you should try: syms x f=((1-2*x).^2)/( (x-x.^2).^2 ) int(f) ans = 2*log(x - 1) - 2*log...

6 years ago | 1

Answered

How to automatically continue running the program after an error.

You should try to catch the error using the structure try/catch structure: try statements catch exception ...

How to automatically continue running the program after an error.

You should try to catch the error using the structure try/catch structure: try statements catch exception ...

6 years ago | 1

Answered

Can a youtube video be embedded in html via publish?

Here is a how-to example; try publishing this code: %% HTML + Youtube % <html> % <iframe id="ytplayer" type="text/h...

Can a youtube video be embedded in html via publish?

Here is a how-to example; try publishing this code: %% HTML + Youtube % <html> % <iframe id="ytplayer" type="text/h...

6 years ago | 2

| accepted

Answered

How do we use blockproc to process my image to compute the difference?

*blockproc* function divide your image in block, you decide the size of the blocks, and applies the function you want to each b...

How do we use blockproc to process my image to compute the difference?

*blockproc* function divide your image in block, you decide the size of the blocks, and applies the function you want to each b...

6 years ago | 0

Answered

Why is the polyval command giving two different answers?

Instruction roots uses an iterative numeric method to approximate the solution in float arithmetic. What you get is an excellent...

Why is the polyval command giving two different answers?

Instruction roots uses an iterative numeric method to approximate the solution in float arithmetic. What you get is an excellent...

6 years ago | 0

| accepted

Answered

How to generate binomial data with set probability and covariation

You can generate values uniformily on [0,1], lets suppose you want to generate 100 random binomial numbers: N=100; x=rand(...

How to generate binomial data with set probability and covariation

You can generate values uniformily on [0,1], lets suppose you want to generate 100 random binomial numbers: N=100; x=rand(...

7 years ago | 0

Answered

How to sort rows of a 2D array, such that all elements along a diagonal are non-zero?

I created the function check(A), so i can check if the property 'every row and column are not all zeros'. Its useful later: ...

How to sort rows of a 2D array, such that all elements along a diagonal are non-zero?

I created the function check(A), so i can check if the property 'every row and column are not all zeros'. Its useful later: ...

7 years ago | 0

Answered

How to define the range for reading a csv file

The problem here is that you can't predict how many rows the numerical data will have. I recommend extract all using a gener...

How to define the range for reading a csv file

The problem here is that you can't predict how many rows the numerical data will have. I recommend extract all using a gener...

7 years ago | 0

Answered

Resolve a Complex equation in a loop WHILE

I think you defined your functions badly. Try something like f=@(x)(1-((c*x/2)*(log(x+1)-log(x-1))))

Resolve a Complex equation in a loop WHILE

I think you defined your functions badly. Try something like f=@(x)(1-((c*x/2)*(log(x+1)-log(x-1))))

7 years ago | 0

Answered

How can I sum only few values in a diagonal matrix?

Sum=0; for k=1:3 % will sum 3 first diagonal elements Sum=Sum+A(k,k); end You can change the range k=1:3 with an arra...

How can I sum only few values in a diagonal matrix?

Sum=0; for k=1:3 % will sum 3 first diagonal elements Sum=Sum+A(k,k); end You can change the range k=1:3 with an arra...

7 years ago | 0

Answered

Can someone please help me correct the error in my code? I'm trying to construct a superposition of two waves of equal amplitude and very similar frequency to create an envelope wave. Thanks

Check the parenthesis in the line: n(:,m) = 2*a*cos( ( (w2-w1)*t(m)*0.5) - ((k2-k1)*x*0.5))) *... cos( ( (w2-w1...

Can someone please help me correct the error in my code? I'm trying to construct a superposition of two waves of equal amplitude and very similar frequency to create an envelope wave. Thanks

Check the parenthesis in the line: n(:,m) = 2*a*cos( ( (w2-w1)*t(m)*0.5) - ((k2-k1)*x*0.5))) *... cos( ( (w2-w1...

7 years ago | 0

| accepted

Answered

How do I solve this particular error? First-time MATLAB user

Looks like you are using a function 'blind': there is not such command, and probably doesnt have a made up function. The poi...

How do I solve this particular error? First-time MATLAB user

Looks like you are using a function 'blind': there is not such command, and probably doesnt have a made up function. The poi...

7 years ago | 0

Answered

I want to get numerical input value using Edittext box in GUI and to assign that value to a variable in my file and i want to display my output Back GUI

<http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F>

I want to get numerical input value using Edittext box in GUI and to assign that value to a variable in my file and i want to display my output Back GUI

<http://matlab.wikia.com/wiki/FAQ#How_can_I_share_data_between_callback_functions_in_my_GUI.28s.29.3F>

7 years ago | 0

| accepted

Answered

how to plot 2D graph in GUI?

function exgui fh = figure( 'units','pixels',... 'position',[50 ,50 , 600, 500]); X=[2 4 7] Y=[4 6 ...

how to plot 2D graph in GUI?

function exgui fh = figure( 'units','pixels',... 'position',[50 ,50 , 600, 500]); X=[2 4 7] Y=[4 6 ...

7 years ago | 0

| accepted

Answered

I am trying to find the positive roots of the equaiton y = ((exp(1).^(-0.2*x)))*(cos(2*x))-(0.15*x.^2)+1, but I keep getting the error message saying that there arent enough input arguments. I dont know what to do.

http://www.mathworks.com/matlabcentral/answers/72291-how-do-i-find-all-the-positive-roots-of-e-2x-cos-2x-15x-2-1

I am trying to find the positive roots of the equaiton y = ((exp(1).^(-0.2*x)))*(cos(2*x))-(0.15*x.^2)+1, but I keep getting the error message saying that there arent enough input arguments. I dont know what to do.

http://www.mathworks.com/matlabcentral/answers/72291-how-do-i-find-all-the-positive-roots-of-e-2x-cos-2x-15x-2-1

7 years ago | 0

Answered

saving an image with plot

You can export as an image the content of the plot window using 'print' command. As an example, I used this line print('-d...

saving an image with plot

You can export as an image the content of the plot window using 'print' command. As an example, I used this line print('-d...

7 years ago | 0