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How to make a={'1','2','3','4'} to b={'1234'}
The simple way is a={'1','2','3','4'}; b = {[a{:}]} Answer b = 1×1 cell array {'1234'}

約3年前 | 0

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how do you sum using loop?
x=1:100; f=@(x)x.*(1+x); S=sum(f(x));%this should be ok %or use loop f=@(x)x.*(1+x); S=0; for i=1:100 S=S+f(i); end...

約3年前 | 0

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How to form a sphere with 1's in a 3D matrix
If there is no scale factor effect with different directions: m = 80; n = 100; p=90; [px,py,pz] = meshgrid(1:n, 1:m, 1:p); ra...

約3年前 | 1

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How to sum the values when they are bigger than 25, 50, 75, (conditional) and they are from the same group?
That's quite simple, you don't need to compare them clc;clear ID = ['1_A' ; '1_A'; '1_A'; '2_B'; '2_B'; '3_C'; '3_C';...

約3年前 | 0

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How to i change the SNR to Vector?
SNR = -20:10:30; a(numel(SNR)) = helperModClassTestChannel(); for i = 1:1:SNR a(i).SNR = SNR(i); end

約3年前 | 0

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Why is it not taking the sqrt function, and how to fix it?
You should transform char format to double then do your work B = str2num(B); H = str2num(H); n = str2num(n); s = str2num(s);...

約3年前 | 0

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plot the equation graph
Hi, It is not neccessary to solve this equation x = 0:0.00001:1; f = @(x,m,a)(m*pi+atan((x)/(1-x))+atan((a+x)/(1-x)))./sqrt(1...

約3年前 | 0

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How to plot mean with respect to bins?
Hi friend, Use histcounts and histogram, then the work is done clc;clear value = rand(100,1) + 0.1; % lack of your data, i ge...

約3年前 | 0

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hot to plot horizontal Histogram??
Try to do this counts = [0 664 320 316 664 664 664 664 320 320 664 664 664 664 664 240 664 229 664 664]; Substances = 'abcdefg...

約3年前 | 0

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Array indices must be positive integers or logical values
You can do this by Iout = double(Io)

約3年前 | 0

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how to solve a second-order differential equation set with parameter using Euler's method?
Actually, dy is the derivative of y with respect to t. The code you give is absolutely right. So you see Euler's Method If y...

約3年前 | 0

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I want the same randomly split dataset for all the network so that i can compare the results.
You can save imdsTrain, imdsValidation for the first run And then use load to get imdsTrain, imdsValidation for three different...

約3年前 | 0

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How to order a set of unordered points
Use boundary(x,y) function load('pts.mat'); x=X_pts(:,1); y = X_pts(:,2); k = boundary(x,y,1); plot(x(k),y(k)) set(gca,'Y...

約3年前 | 0

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How to solve system of first order ODE's by forming matrix
Do not use syms, because without syms, the code runs faster A = [2 5 1; 7 9 0; 4 1 3]; odefun = @(t,Y)A*Y; tspan = ...

約3年前 | 0

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Calculating number in a string
Then do following code for i = 1:1:nLines fprintf('%d: %s\n',i,fileStr{i}) end fprintf('This file has %d lines', nLines)

約3年前 | 0

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I want to throw the error that comes with entering a non number in a numeric only input
n = str2num(input('Please enter a number:\n','s')); if(isempty(n)) error('You are entering a non number in a numeric only inpu...

約3年前 | 0

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How do I only display the 5 answers in the command window once?
s = [1 2 3 4 5]; h = [1 2 3 4 5]; SA = zeros(size(s)); for i = 1:5 s1 = s(i); h1 = h(i); SA(i) = equTriPris...

約3年前 | 0

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I want to find out vector subtraction of co-ordinates of 2 adjacent nodes of an element. How to proceed?
% if you have nodes and elements % nodes n-by-3 % elements m-by-8 % Then node1 = 1; node2 = 3; xrelative = abs(nodes(node1...

約3年前 | 0

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How to fix: Index Exceeds Matrix Dimensions
Hi, friend ode45 function outputs a struct with size 1x1 when only one argument is for output data. If you want to output x sol...

約3年前 | 0

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Why do I receive Not enough input arguments?
I just give a minor correction to your code function [SA]=equTriPrismSurfArea(s,h) SA=((sqrt(3)/2)*(s^2))+(3*s*h); end Save...

約3年前 | 0

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One Dimensional Laplace Equation with Source term.
Hi, friend I have found your boudary conditions are applied at the centre of control volumes of both ends rather than on the b...

約3年前 | 0

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Creating a matrix of logical arrays using an exsiting matrix
Use eye num_labels = 10; Y = [1;2;3;4;3;2;4;5;3;3;5;7;8]; % example Y E =eye(num_labels)==1; Your_matrix = E(Y,:) Then You...

約3年前 | 0

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How can I use '$...$' Environment in xticklabel with matlab2tikz?
Just use xticklabels({'\$1\$','','\$2\$','','\$3\$','','\$4\$','','\$5\$',''}); rather than xticklabels({'$1$','','$2$','','$...

約3年前 | 0

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Adding constraints to function plots in 2-D and 3-D
Hi, I have translated the Cartesian to polar system so as to satisfy your requirement f = @ (x , y ) x .* sin( x .* y ); min...

約3年前 | 0

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what happened to my install ?how to solve this proplem?
你好，饶倩榕同学在运行matlab安装程序之前，请关闭杀毒软件，特别是360；然后点击安装包安装时，请右键以管理员方式运行。 Hello, Rao Qianrong Before running matlab installer, please t...

約3年前 | 0

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symbolic calculation for series
Hi friend, Just define U as a symbolic array, it works in my matlab syms x t syms U [5,1] % I think what you need is 5-by-1 m...

約3年前 | 0

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How can I count number of dates over 100 degree F?
dates = readtable('your_dates_file'); % assume that your dates fie has only one column temps = readtable('your_temperature_fil...

約3年前 | 0

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How to remove indexed set of rows from a cell array
Try this logical_indices = arrayfun(@(i)corb{i,1}(1)>100000&corb{i,1}(1)<300000,(1:1:size(corb))'); row_indices = find(logical...

約3年前 | 0

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write a 'for' loop numbers in a single row matrix
Hi, MOzhdeh Salimi Here I donot know your tiff file but I have written code for you! VF = rand(100,100); Tnormal = rand(100,1...

約3年前 | 0

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Creating a mxn matrix that is all zeros except for the middle row and middle column which are 1s
M = [0,0,0,1,0,0,0; 0,0,0,1,0,0,0; 1,1,1,1,1,1,1; 0,0,0,1,0,0,0; 0,0,0,1,0,0,0]; Once for all Or you can do a = zeros(5,7); ...

約3年前 | 0

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