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**Content Feed**

How to subtract ?

At last got the solution !!!! a=load("allmat.mat"); allmat=a.allmat; for i=1:size(allmat,1) allmat(i,11)=allmat(i,6)-all...

13 days ago | 0

Question

How to subtract ?

Its just a simple subtraction function in excel. Even It seems very simple in matlab. Still hitting my brain, but .... A=[0 1 2...

14 days ago | 4 answers | 0

### 4

answersQuestion

How to use Multiple MATLAB Licenses in the same Machine?

Current Machine Condition: Machine1(Desktop): installed only "MATLAB Parallel Server" tool (license no: for example 100001) M...

2 months ago | 0 answers | 0

### 0

answershow to make a code that guess the color of the string variable stored ?

try this: mywords = "sulaman is here"; ht = text(0.8,0.8,mywords,'color','b'); A = input('whats my favourite color ? ','s'); ...

5 months ago | 0

| accepted

Trouble using readtable function

you need to specify the file with single quotation. TGWAS = readtable('AD_magma_genes.txt')

6 months ago | 0

| accepted

Convert matrix with 3 columns ([day month year]) into one string dd/mm/yyyy with each part taking value of one column

try this: A=[1 3 1981 28 3 1982 23 3 1983 9 5 1984 27 3 1985 15 2 1986 19 2 1987 16 4 1988 20 3 1989]; T=table(A(:,1),...

6 months ago | 0

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How to find the closest value to the average in an array?

Then average will be 4.14, which is closest to 4. actually average is 4. you can try this: a=[1,2,3,4,6,6]; average=mean(a) ...

6 months ago | 0

How to delete in a table a row which contains a specific word

try with this: A=readtable('andrea_file.csv','ReadVariableNames',false,'HeaderLines',3); B=table2cell(A); C=string(B) [row c...

6 months ago | 1

| accepted

How to Create/Modify for matrices or matrix

try this: K=5 matA=1:K; % matB=[matA matA matA matA matA] % matB=[1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5 1 2 3 4 5] matB=r...

6 months ago | 0

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Getting the entry value (i,j) for the minimum value of reach row of a matrix

may be you are looking for this: A=[11 13 15 12 14 16 32 18 21]; mincol=min(A) % min value of eac...

6 months ago | 1

How to delete in a table a row which contains a specific word

as you did not attach your file, i have attached my own created data A=readtable('myfile.xlsx','ReadVariableNames',false); B=t...

6 months ago | 1

I have a cell array 1x7 and every matrix contains 5844x4double and they're all same size. Now i need to extract data from each cell array and each matrixe(5844x4double ) and t

how can I attached the mat data? just right click on the mat file > save as > put any name. here I have tried to make a cell a...

6 months ago | 0

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Assigning Null / Multi-Dimensional Matrix

vectorized solution is the most efficient and simple. But, still if you need for loop, try this x=1:5; A = repmat(x,4,1); fo...

6 months ago | 0

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changing similar numbers in a raw

try this: X=[1 2 2 2 3 2 4 2 2 2]; a=X(X==2); b=randperm(length(a)); a=b; X(X==2)=0; X(X==0)=a

6 months ago | 0

how to plot the curve in matlab

A=[57 78.2 165.1 87 67.06 101.8 107 64.66 88.7 257 61.43 63.58 507 61.45 61.47 1007 60.51 60.91]; x=A(:,1); Y1=A(:,2...

6 months ago | 0

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Index exceeds the number of array error

var = randi(100,20,20); [val,idx] = max(var(:)) [x, y] = find(var == val) idx2=2; x0 = x(idx2) y0 = y(idx2) here your idx=...

6 months ago | 0

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exporting a .mat file to csv/ xls

you have to extract your data from the struct. here i am giving an example. i have attached a struct structvalue=load('data2.ma...

6 months ago | 0

| accepted

How to name the sheet in excel using MATLAB

try this: writetable(T,'test.xlsx','FileType','spreadsheet','Sheet','a') % T is your output variable

6 months ago | 2

| accepted

How can we find the block name in simulink. actually i have one block but i dont know that block name how can i find from simulink library

Double click on that block. you can find the name on Block Parameters pop up window

6 months ago | 0

multiplying matrix by a vector on an element by element basis using for loops

try this: A = [1 12 22 10 18; 20 8 13 2 25; 6 19 3 23 14; 4 24 17 15 7; 11 21 16 5 9]; B = [9 7 11 4 23]; for i = 1:size(A,1)...

6 months ago | 0

How can I run this code I don't know where is the fault?

As your output is a scalar value so you need to define it with Marker. and you are plotting only real values k1 = 2; k_1 = 1;...

6 months ago | 0

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read csv file with a lot of columns.

try this: A=readtable('rawdata.csv','ReadVariableName',false); B=table2array(A(:,1)); C=split(B,';'); output=C(:,2:125);

6 months ago | 0

I want to add a definite fixed intervals between my input data

try this: distance =[0 0 5 10 15 20]; C=cell(6,1); for i=1:length(distance)-1 C{i}= distance(i):1:distance(i+1); end o...

6 months ago | 0

| accepted

How to get the value corresponding to the data in an excel file

try this: A=readtable('katalog.xlsx','ReadVariableName',false); B=table2array(A(2:end,2:end)); D=str2double(string(B)); user...

6 months ago | 0

Having errors in a multivariable for loop.

try this: temp_int=24; temp_ext=10; U=5; hi=4; h=1:5; temp_diff=(U/hi)*(temp_int-temp_ext); x=0:0.1:2.5; X=repmat(x,size...

6 months ago | 1

Matlab is deleting first row of my table and setting it as table property VariableDescription

It should not work in that way.please try this A=readtable('filewithtable.csv','ReadVariableName',false);

6 months ago | 1

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If condition: "in each row of a matrix one element is zero and the other one is not zero"

try this A = [ 1 0 0 9 12 0 0 2 0 3]; if nnz(A)==size(A,1) disp('in each row one element is z...

6 months ago | 0

read multiple columns from an excel spreadsheet by using xlsread

I guess you can not export multiple ranges data in Matlab. Range must be of the form 'A1' (cell), 'A:B' (column-select), '1:5' ...

6 months ago | 0

How to change the input of the function

%define your variable and call your function T1 = 288.15; L = -0.0065; R = 287; PSL = 101325; g = 9.81; rhoSL = 1.225; [T...

6 months ago | 1

Create table columns with some entries blank (no quote symbols)

try this: str={'Y'}; col=[{'True'};{'True'};{'False'};{'True'};{'False'};{'True'}]; T=table(col); for i=1:size(col,1) if st...

6 months ago | 0