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**Feeds**

How do I display my secant method iteration values in a table?

If you want to display things nicely, you can use fprintf to format things into text. If the primary concern is getting the valu...

3 years ago | 0

| accepted

Matalb Academy - Reinforcement Learning Onramp: submission failed

There was a change in R2021a that caused an incompatibility. We have a fix ready that will go out with the next update to the tr...

3 years ago | 3

Assign a number to a letter in excel

I don't understand what you're trying to get out of the original data. If you do diff(X2) you'll get [1 -1 0 0 0...

5 years ago | 0

Referencing the name "MATLAB"

The official rules for all that stuff reside in the style guide.

5 years ago | 4

| accepted

Kullback-Leibler Divergence for NMF in Matlab

If X and X_hat are just matrices, then I think you should be able to compute all the terms element-wise and sum the result (unle...

6 years ago | 0

| accepted

Extract multiple data points from matrix

It might help to know a bit more about what you're actually trying to do. Given that you're indexing with (:,k), it seems that t...

6 years ago | 0

How to find average score of different combination

Can you explain what you mean by "same" and "different" in this context, and how you're getting the output you want, because it'...

7 years ago | 0

Is MATLAB providing free online tutorial?

The link Image Analyst gave has all the online trainings that are available. Currently Onramp is the only one that's free*. W...

7 years ago | 1

How can I assign custom colors to stacked bar plot

The colors of the bars are taken from the default colormap, so the easiest solution is to change the figure's colormap. Put the ...

8 years ago | 3

Question

MATLAB poems -- let's hear 'em!

Inspired by Chad Greene's " <http://www.mathworks.com/matlabcentral/answers/217444-matlab-jokes-or-puns MATLAB jokes or puns> " ...

8 years ago | 3 answers | 3

### 3

answersMatlab jokes or puns

Not a joke or pun, but in the spirit of MATLAB fun: There was an old math guy called Cleve who, while teaching, a pipe-d...

8 years ago | 4

I need a guideline to learn MATLAB faster

You can now get started in MATLAB by taking the *free* <https://matlabacademy.mathworks.com/ MATLAB Onramp>. It teaches you the ...

8 years ago | 0

learn matlab for beginner

Given that you have a MathWorks.com account, the easiest way to get started with MATLAB is already freely available to you: <htt...

8 years ago | 0

How to learn MATLAB

In addition to the online learning options Andreas mentioned, you can also get started in MATLAB by taking the *free* <https://m...

8 years ago | 17

code to plot epicycle

Looks like a pretty standard homework problem. You have a bunch of scalar constants given, so just define those: >> T1 = 1;...

9 years ago | 1

Using for loops to generate an array?

TastyPastry's answer is perfectly correct, but it's worth asking an important clarification: *why* do you want to do it with a |...

9 years ago | 0

MATLAB Programming Techniques (online course)

I haven't *taken* the course, but I did help *write* it, so... :) As much as I hate to talk anyone out of taking our training...

10 years ago | 6

| accepted

plotyy x axis does not match

Try getting rid of the ticks on one x-axis (the one that hasn't been dateticked): set(ax(2),'XTick',[]) You may also wan...

10 years ago | 0

Shooting method for ODE interpolation error

Set a breakpoint on line 36 and run the code. When it stops at that line, see what you get from unique(fvegpont) I'm gue...

10 years ago | 0

| accepted

How can I import a specific matrix from an excel file using the xlsread command?

You need to use standard Excel indexing "topleft:bottomright": heightdata = xlsread('Height Data.xlsx','B3:KP5');

10 years ago | 2

| accepted

Using a time-stamp to find the median for every hour

If you could show a snippet of one of the data files I might be able to give some more specific guidance, but I'd suggest: * ...

10 years ago | 0

Two basic questions in matlab

1. It won't let you. Two options: (a) pad with something, such as NaNs, (b) use cell arrays to store each matrix in a separate c...

10 years ago | 1

Newton Raphson on Mathlab

Torsten showed how to find the roots of a polynomial. More generally, to find the zeros of any function: f = @(x) 0.5*x.^3 ...

10 years ago | 0

Probability of being under a target

Counting the number of samples with a given criterion is easy enough: threshhold = pi; nnz(X < threshhold) The |ecdf|...

10 years ago | 0

| accepted

Conditionally Flip Sign in Table

One liner: A(strcmp(A(:,1),'No'),2) = strcat('-',A(strcmp(A(:,1),'No'),2)) Slightly cleaner with two lines: idx = s...

10 years ago | 0

| accepted

connecting points in scatter3 plot?

OK, now I understand the problem. The issue isn't that the data is representing 3-dimensional *points*, but that it's stored in ...

10 years ago | 0

| accepted

Overwrite empty cell array with strings

If |rowofstrings| is a 1-by-41 cell array then your first line will work if you change the |{}| to |()|: MasterCellArray(2,...

10 years ago | 0

| accepted

connecting points in scatter3 plot?

What about |plot3|? plot3(rand(5,1),rand(5,1),rand(5,1),'o-') But I also don't understand what the problem is with |line...

10 years ago | 1

Hi. How can i rectify my error i.e., not enough arguments

How are you calling this function? It has to be called with two inputs: foo = erlang_b(pi,42) The error you're getting ...

10 years ago | 0

How can I stop an ODE overwriting variable values?

If I understand correctly, your ODE function takes in |t| and |y| (and possibly some other parameters), then calculates |Hatta| ...

10 years ago | 0