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# Praveen Iyyappan Valsala

##### Last seen: 25 días ago
16 total contributions since 2018

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Solved

Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...

3 meses ago

Plot handle to return single object
You can use set function. hraw_mean.set('Visible','off'); That sets Visible proptery of all cells to off. If you want to set ...

7 meses ago | 0

| accepted

Surface plot above a non-rectangular region
You can simply create a binary mask of the polygon region and set all Z values to NaN outside the mask. NaN values are not plott...

7 meses ago | 1

| accepted

'%%' is the escape sequence for percentage symbol as shown here. sprintfc('%.1f %%', ydt(k1,:))

7 meses ago | 0

| accepted

Solved

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

7 meses ago

Solved

Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

7 meses ago

How can i make a partition matrix
If you want to list all possible partitions. Not suitable for large k. randoms = 0.1:0.1:0.9; %Index of all permutations wi...

7 meses ago | 0

Distinct sum of 3 variable which ranges between 1-255
I didn't understand your way for making the sum unique. This dirty code gives you 255 (x,y,z) whose sums are unique. sumArr=-1*...

7 meses ago | 1

how to call functions properly: Index in position 1 is invalid. Array indices must be positive integers or logical values.
In your runge function, f is a string not a function. k1=eval(strcat(f,'(t(i),y(:,i));'));%f(t(i),y(:,i)); %here is where ...

7 meses ago | 1

| accepted

Help with plotting 3d function
Most intuitive way is to add another loop to sum up function outputs of all n. for i=1 : length(x) for j=1 : length(t) ...

7 meses ago | 0

Random display of 'even' or 'odd'
Pi has equal distribution of all digits i.e odd and even digits are uniformly distributed. so you can simply use rand function w...

7 meses ago | 0

Facing problem in generating a mex file
Could be because of the spaces in the file paths. Try encapsulating them in double quotes. mex generateEllipseCandidates.cpp -I...

7 meses ago | 0

Trapezoidal pulse generation using gensig() function
The answer is No! .I am not aware of any function which can do that for you. Try to adapt my function for your needs or write yo...

8 meses ago | 0

| accepted

Submitted

StructSearch(input_struct,search_term)
searches and returns details and child struct with matching parameters.

Question

Any function to get a short description of a variable just like the Value column in workspace?.
I have a struct with >4000 members/fields. I am writing a search function to find some matching members and displaying them alon...

alrededor de 2 años ago | 1 answer | 0