Risposto
decimal to fraction conversion
format rational 74./ 144 or if you would like to have numbers format rational [num, dem] = rat(74./ 144); ...

oltre 8 anni fa | 3

Risposto
Pause code until Excel file stored
This way might work. when you open and Excel file it generate a hidden file (i forget the file extend and I have not Excel right...

oltre 8 anni fa | 0

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Risposto
How to split the cell data?
Put your data in a text file, let say FileName.txt, then: TXT = fileread('FileName.txt'); Split = strsplit(TXT, {'.' ' '...

oltre 8 anni fa | 0

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Labeled rows and column in a matrix
Use table instead.

oltre 8 anni fa | 0

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how could I use subplot function to squeeze 12 existing graphs into 2 pages of 2x3
h = 2.5:2:40.5; i=1; % ADD THIS LINE figure; % ADD THIS LINE for a = date1204:date...

oltre 8 anni fa | 1

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Risposto
Up to what versions of MatLab can you still use textscan
http://www.mathworks.com/help/matlab/ref/textscan.html Matlab2016a accepts this code !

oltre 8 anni fa | 0

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Sub-Function help!
Based on the question it seems "Scores" is a N*3 matrix (N shows number of students). You should write a function that outputs A...

oltre 8 anni fa | 0

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how to compare two files line by line?
f = fopen('nv.txt'); fid = fopen('test.txt'); k = 0; while ~feof(fid) s1 = fgetl(fid); frewind(f) % start f...

oltre 8 anni fa | 0

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Risposto
Find the First element that satisfies a condition
If you dont mind a little coding: A = [7 3 9;5 8 8;0,2,6]; FirstCon = zeros(size(A,1),1); i=1; B = A'; % I am...

oltre 8 anni fa | 0

Risposto
crop a region of interest on images and create new files only with this region
Im = imread('ngc6543a.jpg'); %load your image image(Im) x_start = 50; % start x x_end = 500; % end x y_start = 50...

oltre 8 anni fa | 0

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Risposto
How do you clear the contents of a table?
It depends on the structure of your columns. The easiest way is to put NaN on the raw (if there is a numerical column), then yo...

oltre 8 anni fa | 0

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Change number of xlabel ticks to show
I have not get the question completely, if you want to plot just some points, you can just compute those points! otherwise you c...

oltre 8 anni fa | 0

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how to fixed specific results for times of implementation
Use rng(1,'twister') at top of your code. It controls random number generation functions and you will always see the sa...

oltre 8 anni fa | 0

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How to plot phase graph from csv with real and imaginary values?
It depends on what would you like to plot. But first you must define them as complex number for Matlab: z = complex(real, i...

oltre 8 anni fa | 0

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why showing assignment dimension mismatch?
this works correctly: data = rand(1,200); d=[5,8,2,9,4,1,8,0,3,8,1,4,9,4,9,25,3]; k=1; for z=1:1:d(k,2) ...

oltre 8 anni fa | 0

Risposto
Problem with using && operator in if conditional statement with array involved
You should use one "&" if you have logical vectors. % Correct a = [1,2]; b = [3,4]; if a==a & b==b c...

oltre 8 anni fa | 0

Risposto
I have a grid of cells and I want to get the average value of cells in the 7th column.
mean(cell2mat(name_of_table(:,7)))

quasi 9 anni fa | 0

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How to eliminate value at each position required
for i=1:16; for j=1:16; for Tx=1:128; for Rx =1:128; if E{i,j}(Rx,Tx)==E{i,j}(31,119) ...

quasi 9 anni fa | 0

Risposto
How many levels of the tree should I prune in my decision tree?
There is no certain number for that. One way is computing resubstitution error for different pruning level and find the place wh...

quasi 9 anni fa | 1

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Need help with this question I was asked to preform
We are not going to give you the answer, since this is a basic question which is trying to teach you not only how should you cod...

quasi 9 anni fa | 0

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how to find the column number of first zero element of each row
This is your answer: a =[ -1 3 0 0 0 0 2 3 4 5 0 0 1 2 1 ...

quasi 9 anni fa | 2

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Risposto
Nonlinear Regression w/ categorical predictors?
I am using Matlab R2014b and I have the same problem. It seems in Matlab R2015 this problem is solved since you can use not only...

quasi 9 anni fa | 0

Risposto
how can i plot a periodic function such as sawtooth or gate function over a defined period
t = 10; % total simulation time T = 3; % period x = 0:0.1:t; % lets say your original function is y=2*x which repeate...

quasi 9 anni fa | 3

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Risposto
size gives contradictory results
If you want the size of your vector you should use the following comment: size(centers) "size centers" shows the size of...

quasi 9 anni fa | 1

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When with rounding and precision
What you said is not true! for multiplication the exact number is : 0.998545000000000 p15 = 0.8683*1.15; r = round(p...

quasi 9 anni fa | 0

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superscript/subscript in labels not working
x= 1:10; y=2*x; plot(x,y) ylabel('e^t') It works on Matlab R2014b, maybe the version that you are using does not s...

quasi 9 anni fa | 4

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Risposto
how can i calculate the sum of the following geometric series N= 1000 and r =0.99
N=0:1000; r = 0.99; E = r.^N; sum(E)

quasi 9 anni fa | 0

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Risposto
Too big classification tree
There are many ways to do that, e.g. compare the following tree1, tree2, and tree3. It depends on your problem in hand, which on...

quasi 9 anni fa | 0

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Risposto
MATLAB displays a blank graph when I plot try to plot
It is not empty, it has the points. Do the following change: change the plot line to plot(di(ii),slope(ii),'o')

quasi 9 anni fa | 0

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Risposto
How do you plot values from a cell array?
plot(cell2mat(strain_xx)) <</matlabcentral/answers/uploaded_files/45718/untitled.jpg>>

quasi 9 anni fa | 1