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3 of your answers have been accepted
Awarded to Bish Erbas on 24 Sep 2018
Provide your first answer ever to someone else's question
Awarded to Bish Erbas on 20 Jul 2017
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lowpass (version 9.2.0.556344)
Perhaps MATLAB's default search path has been removed or modified? If you are willing to restore the search path to factory-inst...
ungefär 3 år ago | 0
| accepted
I keep getting this error : Matrix dimensions must agree. Error in comp (line 5) c(x)=0.5.*erfc(x./(2*sqrt(u.*t)));
|x| and |t| vectors must have same dimensions since you are performing an element-by-element multiplication. In your code, |x = ...
ungefär 3 år ago | 1
| accepted
what is the problem with my function ?
Formatting. function [area, cr] = circle(r) area = pi*(r^2); cr = pi*r*2; end
ungefär 3 år ago | 0
| accepted
Finding specific values in an array
Use |xlsread| to import Excel data into a numeric data in a matrix. Once your data is available in MATLAB Workspace, you can the...
ungefär 3 år ago | 0
when i run this code i'm getting and error stating "matrix dimensions must agree",how can i solve this error?
Add transpose to first line: frame=y(2001:2001+fsize)'; Element-by-element multiplication works only if both vectors are...
ungefär 3 år ago | 1
| accepted
Change empty string to "NaS" when reading from a file
You can import all data as into a string cell array |A| and then perform all required conversions. f = fopen('file.txt'); ...
ungefär 3 år ago | 0
How can I rearrange an equation with only one variable?
Something like this? syms x eqn = (x^3+2*x^2+3*x-2 == 0); pretty(isolate(eqn,3*x)/3)
ungefär 3 år ago | 0
PCA on square matrix
x=rand(4); c1=pca(x,'algorithm','eig','economy',false) d1=pcacov(cov(x)) If you use the |eig| algorithm and set |econ...
ungefär 3 år ago | 1
| accepted
append non-compression data to matfile problem
Try this: test=1; save('test','test','-v7.3'); T=rand(1e6,1); save('test.mat','T','-append','-nocompression') |...
ungefär 3 år ago | 0
| accepted
Find indices of points in meshgrid-like data
How about this? A = [2 3; 3 4; 1 1]; [X,Y] = meshgrid(1:5, 1:5); XIdxCell = arrayfun(@(x) find(X==x),A(:,1),'UniformO...
ungefär 3 år ago | 0
Find zero crossings in multidimensional matrix
Code below finds all zero elements of the example |2x2x5| matrix. B = repmat([0 1],[2 2 5]); B(B==0)
ungefär 3 år ago | 0
How do I fix this error? If I put x/number it works.
figure; X = 200:250:2500; Y = 1.82*10^14*exp(-38370./X); plot(X,Y) When you want to multiply or divide every element of a v...
ungefär 3 år ago | 0
| accepted
auto generating test cases with simulink testing toolbox
Yes. See links below for details: <https://www.mathworks.com/help/sltest/ug/generate-test-cases-from-model-components.html> ...
ungefär 3 år ago | 0
Textscan MULTIPLE DELIM ARRAY and rearrange
Just rename |untitled.txt|. Is this something you were looking for? % [ [ 1,2,3,4],[1,2,3,4],[1,2,3,4] ] f = fopen('un...
ungefär 3 år ago | 0
MATLAB graph editing in the figure window
Try this (I am leaving some details for you to discover like text on graph and axes labels): % Definition x = 0:0.1:10; ...
ungefär 3 år ago | 1
| accepted
Subs function not working as expected
Code below works for me. You defined the |H| and |y| variables after defining the symbolic equations. Move the variable definiti...
ungefär 3 år ago | 0
How do I search a directory for an already existing file name and if it is present, save a new file name the same as the old one but with an iteration number at the end of it?
curDir = pwd; files = dir(curDir); files = files(~ismember({files.name},{'.','..'})); fileToSearch = 'processed_resul...
ungefär 3 år ago | 0
print array in an excel file and in two separate columns
Try: xlswrite('test.xlsx',n)
ungefär 3 år ago | 0
varphi Matlab / Latex character
Try legend({'$\varphi$'},'Interpreter','latex');
ungefär 3 år ago | 2
| accepted
How do I colour a filled-in area with a color value different from the standard 'r','g','b' etc... ?
Have you tried: f1=fill(tt2,inBetweenWd,[0.5 1 0],'FaceAlpha',0.4);
ungefär 3 år ago | 0
string that may or may not need to be converted to num...
Yes. Take a look at the function below: str2num <https://www.mathworks.com/help/matlab/ref/str2num.html> *Edit:* OP c...
ungefär 3 år ago | 0
| accepted
find the first column of a 3x3 matrix
A = rand(3,3); x = A(:,1);
ungefär 3 år ago | 1
| accepted
how I can code this vector x=[1; 1/2;1/3; ......;1/(n-1)] n=15 ?
Try: n = 15; x = 1./(1:n-1);
ungefär 3 år ago | 2
How to solve this only using looping
One way of accomplishing this would be: A = [1 2 3 4 8 9]; B = [1 2 3 4 5 6 7]; for k = 1:numel(A) B(B==A(...
ungefär 3 år ago | 0
