Community Profile

# fred ssemwogerere

Last seen: mer än ett år ago Active since 2019

All

#### Content Feed

View by

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

| accepted

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

| accepted

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