Answered
sprintf with leading minus sign
Not sure you can eliminate the minus sign. I think what you are saying is basically if(abs(x)<1e-2) x =0; end

9 years ago | 0

Answered
3D Plot - term structure
That is a mesh plot. % here I'm making up data with the same sizes as yours dates = 1:224; maturities = (1:10)'; valu...

9 years ago | 0

| accepted

Answered
How can i find the derivative of a vector?
You can do that approximately. % this is the "finite difference" derivative. Note it is one element shorter than y and x ...

9 years ago | 1

| accepted

Answered
Help with plot legend
Not very sure, but I guess that the problem might be in some of the elements of h being zero, on account of the condition about ...

9 years ago | 1

| accepted

Answered
Toc returns loop time instead of total script time
Hi, I've tried this tic; for k=1:10 pause(2); toc; end pause(2); toc; on both R2012b and R2014b and th...

9 years ago | 0

Answered
Turning part circle into circle segment
I'd add a final point coincident with the first one Kreis=[Kreis Kreis(:,1)]; Then plot3(Kreis(1,:),Kreis(2,:),Kreis(...

9 years ago | 0

Answered
Matlab : 2 x-axis with one plot
I guess that the problem is that the y axis of ax2 overlaps with that of ax1, and the ticks are different. You can remove the t...

9 years ago | 0

| accepted

Answered
How to plot left and right y-axis that belong to the same data points
So if I get it right, you want to represent _the same data_ using different units. I can see why plotyy is not the right tool. ...

9 years ago | 1

| accepted

Answered
plottyy and linkprop, xtick overlaping with two set of data contain large axis range difference
I tried your code out. Both lines are plotted, but (x1,y1) is clearly flattened on the y axis (leftmost part of the window)....

9 years ago | 0

Answered
Improve performance of linspace
are you sure that it is a matter of linspace? Did you try profiling your code? I'd say the "problem" is in the sin function, ...

9 years ago | 0

Answered
Any suggestions for this code?
tmp = input('Please enter the first coordinates in this form [# #]: '); x1=tmp(1); y1=tmp(2); and so on...

9 years ago | 0

| accepted

Answered
Find corresponding dates in a calendar
The error you get is self explaining, I think. ISM_krock contains many zeros (apparently columns 4 to 6 entirely consist of zero...

9 years ago | 0

| accepted

Answered
Change color of different spheres
Where exactly are you specifying the sphere color? Because it seems to me that in the above command you're not. You should...

9 years ago | 2

Answered
How to add the recent value of a variable to the end of the name of another variable as a suffix?
I think this can be done through the function "eval". However, your strategy seems impractical. Why don't you add a dimension...

9 years ago | 0

Answered
how to perform jump condtion or alternative solution for calling
Not very clear. I'm not sure I understand what you want. I'm guessing here. You have an array X (what's its size?) The...

9 years ago | 0

Answered
how to plot waterfall FFT
have you taken a look at the documentation of the "waterfall" function? You can do that by typing doc waterfall I'm not s...

9 years ago | 0

Answered
HELP! All combinations of array of vectors
If I get your problem right, you could use "combnk" If V is a vector with the indices of your N's, e.g. V = 1:10 then...

9 years ago | 0

| accepted

Answered
How to find the another values in array
You could use the command "find". % this finds the row (if any) at which N appears in the first column of A r = find(A(:,1...

9 years ago | 0

| accepted

Answered
identify different filname in different group
It's not very clear to me what you mean by "group the files in matlab". Anyway, one possibility is perhaps to discriminate th...

9 years ago | 0

Answered
hi , i have this code..
Well... you can simply shift your time scale. Anyway your xlim is less than the range of t. If Dt is your translation (in your ...

9 years ago | 0

| accepted

Answered
using if, else-if and else
If I get it right, you have an array and you want to find its first value (index-wise) less than 5. If this is the case, and t...

9 years ago | 0

| accepted

Answered
Issue with minor and major grid line styles
I stumbled on this problem as well. I think you need to set the ticks manually. set(gca,'xtick',200:200:1000); set(gca,'yt...

9 years ago | 0

Answered
Plotting on y-axis in form of offset for clarity ?
your solution should work, provided you close the parentheses plot(A(:,1),A(:,3)-0.3); plot(A(;,1), A(:,4)+0.3); didn'...

9 years ago | 0

Answered
how to store function [x] = input('blah')
As far as I understand you want that the input variable to be a number called guess. For your usage of the input function that ...

9 years ago | 0

| accepted

Answered
Define a curve in terms of (X,Y) values
I assume that B is in a single matrix. The light point should then correspond to matrix elements above some threshold. If this i...

9 years ago | 0

Answered
How to plot a square wave with specific conditions?
That should simply be ys = (y>5); plot(t,y,'b',t,ys,'r')

9 years ago | 0

| accepted

Answered
How do I get rid of lines on a surf command? Also how do I change the surf to green rather than the default gradient colours?
It seems to me that you're guessing the syntax here. Better go through the handles. h = surf(xp,yp,zp) get(h) gives yo...

9 years ago | 0

Answered
How to remove columns from matrix?
for that particular matrix you want B = A(:, [1 2 4 7]); If this is a more general problem, that's a bit more tricky. Sho...

9 years ago | 0

Answered
How can I build an trendline through a fixed point?
Is that a straight line or a curve? And, in the second case, which curve? In the first case you're basically expecting that ...

9 years ago | 0

Answered
How to find centroid based on clusterdata?
I guess your variables are cells... Your syntax is not very clear to me. Anyway it should be c1 = [ mean(xArray{1}) mean(...

9 years ago | 0

| accepted