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...

mer än 8 år ago

Answered

How can I find 4 or more character pattern in number array

If you define the pattern that you're looking for as x, for example x = [3 9 12 3] then you can find the starting index...

How can I find 4 or more character pattern in number array

If you define the pattern that you're looking for as x, for example x = [3 9 12 3] then you can find the starting index...

mer än 8 år ago | 1

Answered

Aligning Time Series data and calculating CAPM beta.

You're doing great for a beginner. You're using logical indexing in your code which is awesome. I'm assuming that you are ge...

Aligning Time Series data and calculating CAPM beta.

You're doing great for a beginner. You're using logical indexing in your code which is awesome. I'm assuming that you are ge...

mer än 8 år ago | 0

Answered

How to build the search fast?

If you have the Statistics Toolbox, you could use a <http://www.mathworks.com/help/releases/R2012b/stats/dataset.html dataset> a...

How to build the search fast?

If you have the Statistics Toolbox, you could use a <http://www.mathworks.com/help/releases/R2012b/stats/dataset.html dataset> a...

mer än 8 år ago | 0

| accepted

Answered

How can I save the values inside ODE solver?

Does the random value need to be generated inside your ODE function? In other words, can you pass it in as an input variable? ...

How can I save the values inside ODE solver?

Does the random value need to be generated inside your ODE function? In other words, can you pass it in as an input variable? ...

mer än 8 år ago | 0

Answered

How to use Switch case and if else in Embedded Matlab Function

You can use the same syntax that you would in MATLAB. Here are links to the documentation for <http://www.mathworks.com/help/ma...

How to use Switch case and if else in Embedded Matlab Function

You can use the same syntax that you would in MATLAB. Here are links to the documentation for <http://www.mathworks.com/help/ma...

mer än 8 år ago | 0

Answered

How to: For loops for Excel Tab

If you know the names of your sheets, you can create a cell array containing those names. The output from the xlsread function ...

How to: For loops for Excel Tab

If you know the names of your sheets, you can create a cell array containing those names. The output from the xlsread function ...

mer än 8 år ago | 0

| accepted

Answered

How to remove the data-type error in lsqcurvefit ?

It looks like the issue might be in the optim function in the use of the input variable S. Can you make a simple call to optim ...

How to remove the data-type error in lsqcurvefit ?

It looks like the issue might be in the optim function in the use of the input variable S. Can you make a simple call to optim ...

mer än 8 år ago | 0

| accepted

Answered

Adaptive background Subtraction Algorithm

There are a couple things that I notice in this code. First, I'm not sure, but I think that you might want to apply the thresho...

Adaptive background Subtraction Algorithm

There are a couple things that I notice in this code. First, I'm not sure, but I think that you might want to apply the thresho...

mer än 8 år ago | 0

Answered

How to: For loops for Excel Tab

I'm not sure exactly what you are asking with regard to num(2,13). But here is some code that will read in different tabs of an...

How to: For loops for Excel Tab

I'm not sure exactly what you are asking with regard to num(2,13). But here is some code that will read in different tabs of an...

mer än 8 år ago | 0

Answered

Consolidate Substring Code using Cellfun

It isn't necessary to loop through the char array. You could do something like this: y = { '10/5/05' ; '18/2/2004' ; '3/3/...

Consolidate Substring Code using Cellfun

It isn't necessary to loop through the char array. You could do something like this: y = { '10/5/05' ; '18/2/2004' ; '3/3/...

mer än 8 år ago | 0

| accepted

Answered

writing a matrix without loop

Yes, you can create this matrix without using a loop. Use array based mathematical expressions such as ./ and .* a = sin(2...

writing a matrix without loop

Yes, you can create this matrix without using a loop. Use array based mathematical expressions such as ./ and .* a = sin(2...

mer än 8 år ago | 1

Answered

Plotting Multiple y-axes with different range on the same plot

The issue is that this function can only plot one line per set of axes - so only three lines. I have hacked Denis Gilbert's p...

Plotting Multiple y-axes with different range on the same plot

The issue is that this function can only plot one line per set of axes - so only three lines. I have hacked Denis Gilbert's p...

mer än 8 år ago | 2

Answered

Datenum - different date formats

Would something like this help? % Create a cell array containing dates in various formats y = { '10/5/05' ; '18/2/2004' ...

Datenum - different date formats

Would something like this help? % Create a cell array containing dates in various formats y = { '10/5/05' ; '18/2/2004' ...

mer än 8 år ago | 1

| accepted

Answered

how could I use the "find" command to compare two matrices?

Comparing two matrices directly will give back a logical array: control_matrix= A<B; The find function will find the ind...

how could I use the "find" command to compare two matrices?

Comparing two matrices directly will give back a logical array: control_matrix= A<B; The find function will find the ind...

mer än 8 år ago | 1

| accepted

Answered

Create a matrix whereas values can be -180 0 or 200

I'm sure there's a more elegant solution, but here's one: x = randi(3,1,24)-1; x(x==1) = -180; x(x==2) = 200;

Create a matrix whereas values can be -180 0 or 200

I'm sure there's a more elegant solution, but here's one: x = randi(3,1,24)-1; x(x==1) = -180; x(x==2) = 200;

mer än 8 år ago | 1

| accepted

Answered

Calculating Max and Min of subsets of data

Is your matrix 7875 x 8? Also, when you say "every 57" does that mean the first 57 rows? The first 57 elements in the column...

Calculating Max and Min of subsets of data

Is your matrix 7875 x 8? Also, when you say "every 57" does that mean the first 57 rows? The first 57 elements in the column...

nästan 9 år ago | 1

Answered

Boxplot - Size of the Labels

set(findobj(gca,'Type','text'),'VerticalAlignment','top')

Boxplot - Size of the Labels

set(findobj(gca,'Type','text'),'VerticalAlignment','top')

nästan 9 år ago | 0

| accepted

Answered

Find value of z of a surface plot when values of x and y are known.

You can do this using the <http://www.mathworks.com/help/matlab/ref/triscatteredinterp.html TriScatteredInterp> function. Her...

Find value of z of a surface plot when values of x and y are known.

You can do this using the <http://www.mathworks.com/help/matlab/ref/triscatteredinterp.html TriScatteredInterp> function. Her...

nästan 9 år ago | 0

Answered

how do you write a programme with *if statement*for L infinity norm having written L1 and L2 norm. how do you represent L infinity norm?

MATLAB has a <http://www.mathworks.com/help/matlab/ref/norm.html norm> function that you can use to find all the norm values. I...

how do you write a programme with *if statement*for L infinity norm having written L1 and L2 norm. how do you represent L infinity norm?

MATLAB has a <http://www.mathworks.com/help/matlab/ref/norm.html norm> function that you can use to find all the norm values. I...

nästan 9 år ago | 0

Answered

Need help Linearizing a Simulink Model?

Posting the comment from Erman Korkut as a solution: Frestimate usually takes a couple of tries to come up with the right inp...

Need help Linearizing a Simulink Model?

Posting the comment from Erman Korkut as a solution: Frestimate usually takes a couple of tries to come up with the right inp...

nästan 9 år ago | 1

Answered

Load CSV file to matlab and avoiding word written in csv file for data analysis

You can load it using the <http://www.mathworks.com/products/matlab/examples.html?file=/products/demos/shipping/matlab/textscanD...

Load CSV file to matlab and avoiding word written in csv file for data analysis

You can load it using the <http://www.mathworks.com/products/matlab/examples.html?file=/products/demos/shipping/matlab/textscanD...

nästan 9 år ago | 1

Answered

For Loop Segment Troubleshooting

You can add a breakpoint in your script by clicking on the horizontal line to the left of the number in the MATLAB Editor. This...

For Loop Segment Troubleshooting

You can add a breakpoint in your script by clicking on the horizontal line to the left of the number in the MATLAB Editor. This...

nästan 9 år ago | 0

| accepted

Answered

index out of bounds because numel(averg)=1

You are using linear indexing to index into A, and so the output is a row vector. For example: A(1:end-2) will take all terms ...

index out of bounds because numel(averg)=1

You are using linear indexing to index into A, and so the output is a row vector. For example: A(1:end-2) will take all terms ...

nästan 9 år ago | 0

| accepted

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:...

ungefär 9 år ago

Answered

omitting array

If your matrix is called m, you can reference the odd rows like this: m(1:2:end,:) If it is always going to be a vector ...

omitting array

If your matrix is called m, you can reference the odd rows like this: m(1:2:end,:) If it is always going to be a vector ...

mer än 9 år ago | 0

| accepted

Answered

Multipline plotting

X = [ A(:,1) A(:,3) ]'; Y = [ A(:,2) A(:,4) ]'; line(X,Y,'color','b')

Multipline plotting

X = [ A(:,1) A(:,3) ]'; Y = [ A(:,2) A(:,4) ]'; line(X,Y,'color','b')

mer än 9 år ago | 0

| accepted

Answered

sqrt(2) 100 places and more

format long will show 15 digits. fprintf(1,'%.100f\n',sqrt(2)) will show 100 digits. However, that precision is ...

sqrt(2) 100 places and more

format long will show 15 digits. fprintf(1,'%.100f\n',sqrt(2)) will show 100 digits. However, that precision is ...

mer än 9 år ago | 0

Answered

Optimization with complicated constraints

Yes, MATLAB can solve nonlinear optimization problems. Since it would be a lot to type everything out, this example <http://www...

Optimization with complicated constraints

Yes, MATLAB can solve nonlinear optimization problems. Since it would be a lot to type everything out, this example <http://www...

mer än 9 år ago | 0

| accepted

Answered

Force data acquisition

I can point you the documentation telling you which data acquisition cards are supported in MATLAB: <http://www.mathworks.com...

Force data acquisition

I can point you the documentation telling you which data acquisition cards are supported in MATLAB: <http://www.mathworks.com...

mer än 9 år ago | 0

| accepted