# fred ssemwogerere

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**Content Feed**

1D Element Wise Arithmetic Operators: Mismatched delimiters?

Hello you are missing a multiplication sign, in the denominator (line 2). Multiplication with parentheses is not supported witho...

mer än ett år ago | 0

Writing 2 vectors within matrix

Hello, use reshape M=reshape(J,[3,3])';

mer än ett år ago | 0

Please i need help on how to determine R squared for training, validation, testing and ALL in neural network with a simple code.

"..........Each time I click on plotregression, I see thier R2......" Hello, point of correction; regression plots of your mode...

mer än ett år ago | 1

| accepted

How do I adjust the binwidth of histfit while keeping a fixed bin number

Hello, assuming you have a random plot for your data as: bt=betarnd(4,8,100,1); hnd=histfit(bt,8,'beta'); % The default bar w...

mer än ett år ago | 0

Write several 1x101 vectors to table for Latex

Hello, this should do nicely: A = AS_V'; % taking transpose to get a column vector of size 101x1 B = NeNMF_V';% taking transpo...

mer än ett år ago | 0

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Making my answer show in matrix form

% Try this % preallocate an array "coords" coords=zeros(2,7); for n=1:7 coords(1,n)=-(xfactor*trav(n,4)+(dxdy(n,1)); % x...

mer än ett år ago | 0

plot graphic with different color

Hello, with logical indexing, you could create two separate pairwise sets of data, with one set comprised of plots of x versus y...

mer än ett år ago | 0

I cant solve linear programming

I think you should try to go with all that has been advised. To obtain an optimal solution, your problem will require specificat...

mer än ett år ago | 0

| accepted

How to make one colorbar for a 2x2 subplot

Hello, to see the tick marks on the colorbar with their corresponding numerical labels, you could do it manually from the figure...

mer än ett år ago | 0

Rename excel worksheets based on other file names in a folder

Hello, i think i've dealt with a previous question from you about writing files to different sheets. However, i do not think you...

mer än ett år ago | 0

| accepted

Error: Unable to perform assignment because the left and right sides have a different number of elements.

You are using a double for loop. I advise its best to use something like this for ii=1:24 for jj=1:24 z(ii,jj)=no...

mer än ett år ago | 0

| accepted

How to plot y for a range of T values

Hello, you could create an anonymous function and pass the values of "T" through this anonymous function. Watchout for the eleme...

mer än ett år ago | 1

How to adjust the time digits in this code?

Hello, this should correct your problem. Where the comments are, is where i have made changes. The rest of your code remains the...

mer än ett år ago | 1

| accepted

export a cell array with same size matrices to excel

Hello, something like this should do nicely: % Taking "C" to be your cell array, and your excel file as: "myfile.xlsx" for k=1...

mer än ett år ago | 0

| accepted

How can i count how many times does a temperature goes through in a loop

A for loop may not be necessary. you could use lt temps=[30, 45, 60, 15, 70, 25]; val32=temps(lt(temps,32)); % this will retur...

mer än ett år ago | 0

how can I see the x and y value table from an equation on matlab

Hello, you could create a table from your variables using table Tbl=table(x',y1',y2','VariableNames',{'x','y1','y2'}); In case...

mer än ett år ago | 0

Multiple values of x what will be code

While your question may not be so clear, from my understanding, you are trying to find a vector,"Y" from a vector of "X" values....

mer än ett år ago | 0

Saddle points of a 2D matrix

Hello, i think something like this should do nicely: % To check which element is the smallest in its column, and biggest in its...

mer än ett år ago | 0

write text in file

You can use fprintf. The link below should give you more clarity based on the data you are saving: https://mathworks.com/help/m...

mer än ett år ago | 0

Help Defining Variable Contained Within Summation Notation, and Using this Variable for Plot

Hello, you could use nested for loop. But i envision this running into an "Out of memory" problem sheerly based on the length of...

mer än ett år ago | 0

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How to create a scalar set of values

Hello, using arrayfun could be more efficient: % Taking your vector, say "P" to compute real "v_real" using "arrayfun". "arrayf...

mer än ett år ago | 0

A problem with using generalized code

Hello, the problem stems from the value of your column index; "4". You should be indexing column "5" instead on line 4 of the la...

mer än ett år ago | 1

| accepted

Multiple selection of an array

Hello, based on the indexing used in your question, i think something like this could do: % Assuming your matrix or vector to b...

mer än ett år ago | 1

| accepted

Pre allocation in matlab

leng=length(v); % length of a vector pA=zeros(1,leng); % pre-allocation with zeros

mer än ett år ago | 0

Eliminate the table inside a cell, if any NaN exists inside that table.

Hello, cellfun should do nicely CL=cellfun(@(x) any(isfinite(x.precip)),NewC2LatLon); CSelect=NewC2LatLon(CL); % Final cell ar...

mer än ett år ago | 1

| accepted

Box plots for Kruskal-Wallis

Hello, when the end point of a notch is lower than the 25th quartile of your data, that folding effect will occur. This effect i...

mer än ett år ago | 0

| accepted

Differentiation of the position vector.

Hello, you could make use of the symbolic math toolbox. The page below should get you started: https://mathworks.com/help/symbo...

mer än ett år ago | 0

| accepted

how to write a programme in matlab comparing USA states name with english alphabets, and give the unmatch letter Q as a output.. ?

you could use regexp. Refer to the link below: https://mathworks.com/help/matlab/ref/regexp.html

mer än ett år ago | 0

Select columns from a table and add them into another table

Hello, you don't need to use "groupsummary" or "vertcat" for this. Instead use; "addvars". I think this should do nicely: % Ta...

mer än ett år ago | 1

| accepted

hello, how to make a program of aggregate blending in matlab?

Hello, this might require quite some work. But to get you started, you need to first import your gradation data for different ag...

mer än ett år ago | 0

| accepted