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**Content Feed**

How can i draw the graph?

vectors x and y contain your data plot(x,y,'k.'); If you only have the ydata, just type plot(y,'k.'); This holds t...

meer dan 7 jaar ago | 0

Taking derivative an array which is a numerical value with respect to another array

if f is the vector representing f(x) and x contains the corresponding abscissae df = diff(f)./diff(x) note that this has ...

meer dan 7 jaar ago | 0

Count the number of sequential fractional *nines* of a decimal number

You could turn your numbers into strings, like e.g. in st = sprintf('%1.10f',A(1)) maybe strip the trailing "0." (if they...

meer dan 7 jaar ago | 0

| accepted

rearranging matrices horizontally rather than vertically

This is because the index order in a matrix is along columns. I'm not sure your command does what you say. Anyway b= [4 1 ...

meer dan 7 jaar ago | 2

| accepted

Returning all Eigen Vectors including non-unique ones

Not sure what you mean... eig does return all of the eigenvectors and eigenvalues. Do you mean that you need to know the dege...

meer dan 7 jaar ago | 0

How to plot point x on a line

Not sure what you are asking, nor what your function is expected to do. I guess x1,x2,y1,y2 are scalars (otherwise you're lik...

meer dan 7 jaar ago | 0

I'm having trouble suppressing duplicate numbers. Can someone please help me to fix this within my while loop?

M=zeros(1,5); for i = 1:5 done=0; while ~done V=input('Enter a number between and incl...

meer dan 7 jaar ago | 1

basic monte carlo question: area of circle

You are mixing things up. Your code is part vectorized, part scalar. You have a loop over N, but then at each iteration you g...

meer dan 7 jaar ago | 3

| accepted

How to saving data to file in different path in matlab?

You are using "-append". That means that 'hafizah.dat' should already exist. Does it exist? According to matlab it does no...

meer dan 7 jaar ago | 0

How to create a patch object without actually plotting it.

h=patch(X,Y,Z,'r','visible','off'); and then, when you need it set(h,'visible','on');

meer dan 7 jaar ago | 1

| accepted

How can I use for loop for assigning variable names?

what's wrong with using matrices? Something like acc = data(:,2:6); pot = data(:,8:16); acc0 = detrend(acc); and s...

meer dan 7 jaar ago | 0

Why does my surface have a 'jagged' look when I do this?

Hi Of course, making the grid thicker reduces the jaggedness. As far as you are plotting planes, you can easily obtain n...

meer dan 7 jaar ago | 0

Creating random order of trials (numbers in a matrix) with restrictions

So you need a 5x50 matrix of numbers between 1 and 10, such that: - all the numbers in the first column are different - no n...

meer dan 7 jaar ago | 0

Simple Question: How to graph certain surfaces depending on the Z value?

You could set the points that do not meet your constraint to NaN; i = Z1<5; Z1(i)=NaN; i = Z2>5; Z2(i)=NaN; The r...

meer dan 7 jaar ago | 0

| accepted

Summation of an infinate series

That can be done in 3 lines of code tops. However, giving you the solution for your assignment straight away does not seem fair...

meer dan 7 jaar ago | 0

| accepted

Replace some values of a vector with another vector which has a different size

b=zeros(size(source)); b(find(source))=a; of course this works only if the number of nonzero elements in source are the sa...

meer dan 7 jaar ago | 1

How to implement sum of sines using matricies

You could try Y = a*sin(f'*t); where a and f are the row vectors for the amplitude and frequency of your sines, an...

meer dan 7 jaar ago | 0

Save plot is not the same as plot on screen

Hi, this happens to me too. I found that I need to specify everything explicitly (XTick, YTick, Xlim, Ylim for the axes, ...

meer dan 7 jaar ago | 0

change x axis, i have a plot of data from a headset. then i have 5 lines from a game, so i want 0-time from start(green) line till the end(red line), is it possible?

Not sure what your asking for. Do you need to re-define the limits of your x-axis so that they go from the green to the red ...

meer dan 7 jaar ago | 0

| accepted

randperm in while loop

If I get it right, you want a vector A that is "divided" into bunches of 3 consecutive elements. Each of these "bunches" should...

meer dan 7 jaar ago | 1

i want to determine common sub sequence on array

You can use the builtin function "intersect" i = intersect(a,b); i = intersect(i,c); [...] i = intersect(i,h) The l...

meer dan 7 jaar ago | 1

| accepted

Problem with Patch, trying to fill a surface based on points.

Not sure you can do that with the patch command "as it is". You have to create some sort of mesh. Something nicer is obtai...

meer dan 7 jaar ago | 0

Help with output values.

If I get it right your function MatOb just prints x_values in the standard output. I fail to see the need of introducing one fu...

meer dan 7 jaar ago | 0

| accepted

error in embedded matlab function

Matlab is complaining because it cannot find fnct1. This is the typical answer you get when you use a function that does not ex...

meer dan 7 jaar ago | 0

logical indexing between two varaibles

I'm not sure I understand your problem. It looks like some sort of binning problem. You could try using "histc" on the column...

meer dan 7 jaar ago | 0

Make unequally spaced data, equally spaced

Perhaps this is obvious, but datenum(date,'yyyymmddhhMM'); where "date" is a char variable containing your timestamp, con...

meer dan 7 jaar ago | 0

Error message while using Fullfile to write .m file in a specific folder

I think it might have to do with this: in your code you define the name of the file in a char *variable* fileID=['tilt',num2...

meer dan 7 jaar ago | 0

How to have different styles of mesh for matlab surfaces?

uhm, mesh style should be easy, provided you do not use the same color for the faces and the mesh. I'm using black here. se...

meer dan 7 jaar ago | 0

I don't understand what this u(:,1) does to matrix or vector?

It gives you the first column of the array u. If u is a row vector, that is the 1st element. if u is a column vector, that...

meer dan 7 jaar ago | 0

| accepted

how to find the same elements from 2 vectors

% this is going to find the common elements (1 and 5) I=intersect(vector_1,vector_2); % this is going to introduce the th...

meer dan 7 jaar ago | 0

| accepted