Pretty print yacas strings
y_print(x)
yacas string, e.g. a matrix
A <- diag(4)
Ayac <- as_y(A)
y_print(Ayac)
#> {{1, 0, 0, 0},
#> {0, 1, 0, 0},
#> {0, 0, 1, 0},
#> {0, 0, 0, 1}}
B <- A
B[2, 2] <- "-t"
Byac <- as_y(B)
Byac
#> [1] "{{1, 0, 0, 0}, {0, -t, 0, 0}, {0, 0, 1, 0}, {0, 0, 0, 1}}"
y_print(Byac)
#> {{ 1, 0, 0, 0},
#> { 0, -t, 0, 0},
#> { 0, 0, 1, 0},
#> { 0, 0, 0, 1}}