## 105 Reputation

12 years, 121 days

## How to fix "failed to load the worksheet...

Hi, the below statement pops out whenever i try to load a worksheet. It used to be able to load after 2/3 tries, but after trying about 5 times, it still doesn't work. I tried saving a different locations, tried changing the names, but it didn't work. May I know how to solve this please? Many thanks.

Maple Worksheet - Error

Failed to load the worksheet /maplenet/convert/uss_if_2.mw .

## sum matrix in a loop...

Hi, I was trying to do the following but fail. May I know what does the error mean and how could I rectify it please? Thank you very much.

## How do i use "if" for matrix function?...

Hi, I have M as a 9x9 matrix. I would like to write that if any values in it is smaller than (1e-4) and not equal to zero, then show 0. If not, just reveal its original value. Please help. Thanks.

## if..AND..end if...

Hi, could someone please give me an example of how to use "if...and...end if" please?

I tried to write

a:=4; b:=8; c:=3;:

if b>a and c then a end if

I am trying to say if b is larger than a and at the same time larger than c, show me the a value.

Thanks.

## Calculating non-zero matrix...

Hi,

If I have a 18x18 matrix, among are some which values are zero. If I would like to know how many of it are zero and how many are non-zero, what should I write please?

Thanks.

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